This is a workaround for some proxy setup, where the ETag header gets
stripped from the response headers unless there is a Content-Type header
set.
In particular, we saw this bug when putting Cloudflare in front of
Synapse.
I'm pretty sure this is a Cloudflare bug, as this behaviour isn't
documented anywhere, and doesn't make sense whatsoever.
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
In a worker-mode deployment, the `E2eKeysHandler` is not necessarily
loaded, which means the handler for the `delete_old_otks` task will not
be registered. Make sure we load the handler.
Introduced in https://github.com/element-hq/synapse/pull/17934
For context of why we delay read receipts, see
https://github.com/matrix-org/synapse/issues/4730.
Element Web often sends read receipts in quick succession, if it reloads
the timeline it'll send one for the last message in the old timeline and
again for the last message in the new timeline. This caused remote users
to see a read receipt for older messages come through quickly, but then
the second read receipt taking a while to arrive for the most recent
message.
There are two things going on in this PR:
1. There was a mismatch between seconds and milliseconds, and so we
ended up delaying for far longer than intended.
2. Changing the logic to reuse the `DestinationWakeupQueue` (used for
presence)
The changes in logic are:
- Treat the first receipt and subsequent receipts in a room in the same
way
- Whitelist certain classes of receipts to never delay being sent, i.e.
receipts in small rooms, receipts for events that were sent within the
last 60s, and sending receipts to the event sender's server.
- The maximum delay a receipt can have before being sent to a server is
30s, and we'll send out receipts to remotes at least at 50Hz (by
default)
The upshot is that this should make receipts feel more snappy over
federation.
This new logic should send roughly between 10%–20% of transactions
immediately on matrix.org.
To work around the fact that,
pre-https://github.com/element-hq/synapse/pull/17903, our database may
have old one-time-keys that the clients have long thrown away the
private keys for, we want to delete OTKs that look like they came from
libolm.
To spread the load a bit, without holding up other background database
updates, we use a scheduled task to do the work.
We were pinned to an old version that had deprecation warnings.
In new versions of the action leaving off properties (i.e. `draft` and
`prerelease`) tells the action to not modify those properties of the
release.
There was a bug that meant we would return the full state of the room on
incremental syncs when using lazy loaded members and there were no
entries in the timeline.
This was due to trying to use `state_filter or state_filter.all()` as a
short hand for handling `None` case, however `state_filter` implements
`__bool__` so if the state filter was empty it would be set to full.
c.f. MSC4222 and #17888
The latest Twisted release changed how they implemented `__await__` on
deferreds, which broke the machinery we used to test cancellation.
This PR changes things a bit to instead patch the `__await__` method,
which is a stable API. This mostly doesn't change the core logic, except
for fixing two bugs:
- We previously did not intercept all await points
- After cancellation we now need to not only unblock currently blocked
await points, but also make sure we don't block any future await points.
c.f. https://github.com/twisted/twisted/pull/12226
---------
Co-authored-by: Devon Hudson <devon.dmytro@gmail.com>
Currently, one-time-keys are issued in a somewhat random order. (In
practice, they are issued according to the lexicographical order of
their key IDs.) That can lead to a situation where a client gives up
hope of a given OTK ever being used, whilst it is still on the server.
Related: https://github.com/element-hq/element-meta/issues/2356
Update version constraint to allow the latest `poetry-core` `1.9.1`
Context:
> I am working on updating poetry-core in Fedora and synapse is one of
affected packages. Please run a CI to see if it works properly. Thank
you.
Mergeable version of https://github.com/element-hq/synapse/pull/17848
When entries insert in the end of timer queue, then unnecessary entry
inserted (with duplicated key).
This can lead to some timeouts expired early and consume memory.
Basically, if the client sets a special query param on `/sync` v2
instead of responding with `state` at the *start* of the timeline, we
instead respond with `state_after` at the *end* of the timeline.
We do this by using the `current_state_delta_stream` table, which is
actually reliable, rather than messing around with "state at" points on
the timeline.
c.f. MSC4222
The main change here is to add a helper function
`gather_optional_coroutines`, which works in a similar way as
`yieldable_gather_results` but takes a set of coroutines rather than a
function
Fixes#17823
While we're at it, makes a change where the redactions are sent as the
admin if the user is not a member of the server (otherwise these fail
with a "User must be our own" message).
Reset `sliding_sync_membership_snapshots` -> `forgotten` status when
membership changes (like rejoining a room).
Fix https://github.com/element-hq/synapse/issues/17781
### What was the problem before?
Previously, if someone used `/forget` on one of their rooms, it would
update `sliding_sync_membership_snapshots` as expected but when someone
rejoined the room (or had any membership change), the upsert didn't
overwrite and reset the `forgotten` status so it remained `forgotten`
and invisible down the Sliding Sync endpoint.
This adds Python 3.13.0 to the trial test matrix
Also updates `cffi` and `zope.interface` in the locked dependencies to
make sure we have versions compatible with Python 3.13. For some
reasons, they are not being picked up by dependabot.
Bumps [mypy](https://github.com/python/mypy) from 1.10.1 to 1.11.2.
<details>
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<p><em>Sourced from <a
href="https://github.com/python/mypy/blob/master/CHANGELOG.md">mypy's
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<blockquote>
<h3>Mypy 1.11.2</h3>
<ul>
<li>Alternative fix for a union-like literal string (Ivan Levkivskyi, PR
<a
href="https://redirect.github.com/python/mypy/pull/17639">17639</a>)</li>
<li>Unwrap <code>TypedDict</code> item types before storing (Ivan
Levkivskyi, PR <a
href="https://redirect.github.com/python/mypy/pull/17640">17640</a>)</li>
</ul>
<h3>Acknowledgements</h3>
<p>Thanks to all mypy contributors who contributed to this release:</p>
<ul>
<li>Alex Waygood</li>
<li>Alexander Leopold Shon</li>
<li>Ali Hamdan</li>
<li>Anders Kaseorg</li>
<li>Ben Brown</li>
<li>Bénédikt Tran</li>
<li>bzoracler</li>
<li>Christoph Tyralla</li>
<li>Christopher Barber</li>
<li>dexterkennedy</li>
<li>gilesgc</li>
<li>GiorgosPapoutsakis</li>
<li>Ivan Levkivskyi</li>
<li>Jelle Zijlstra</li>
<li>Jukka Lehtosalo</li>
<li>Marc Mueller</li>
<li>Matthieu Devlin</li>
<li>Michael R. Crusoe</li>
<li>Nikita Sobolev</li>
<li>Seo Sanghyeon</li>
<li>Shantanu</li>
<li>sobolevn</li>
<li>Steven Troxler</li>
<li>Tadeu Manoel</li>
<li>Tamir Duberstein</li>
<li>Tushar Sadhwani</li>
<li>urnest</li>
<li>Valentin Stanciu</li>
</ul>
<p>I’d also like to thank my employer, Dropbox, for supporting mypy
development.</p>
<h2>Mypy 1.10</h2>
<p>We’ve just uploaded mypy 1.10 to the Python Package Index (<a
href="https://pypi.org/project/mypy/">PyPI</a>). Mypy is a static type
checker for Python. This release includes new features, performance
improvements and bug fixes. You can install it as follows:</p>
<pre><code>python3 -m pip install -U mypy
</code></pre>
<p>You can read the full documentation for this release on <a
href="http://mypy.readthedocs.io">Read the Docs</a>.</p>
<h3>Support TypeIs (PEP 742)</h3>
<p>Mypy now supports <code>TypeIs</code> (<a
href="https://peps.python.org/pep-0742/">PEP 742</a>), which allows</p>
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<details>
<summary>Commits</summary>
<ul>
<li><a
href="789f02c83a"><code>789f02c</code></a>
Bump version to 1.11.2</li>
<li><a
href="917cc75fd6"><code>917cc75</code></a>
An alternative fix for a union-like literal string (<a
href="https://redirect.github.com/python/mypy/issues/17639">#17639</a>)</li>
<li><a
href="7d805b364e"><code>7d805b3</code></a>
Unwrap TypedDict item types before storing (<a
href="https://redirect.github.com/python/mypy/issues/17640">#17640</a>)</li>
<li><a
href="32675dddfa"><code>32675dd</code></a>
Revert "Fix Literal strings containing pipe characters" (<a
href="https://redirect.github.com/python/mypy/issues/17638">#17638</a>)</li>
<li><a
href="778542b93a"><code>778542b</code></a>
Revert "Fix <code>RawExpressionType.accept</code> crash with
<code>--cache-fine-grained</code>" (<a
href="https://redirect.github.com/python/mypy/issues/1">#1</a>...</li>
<li><a
href="14ab742dec"><code>14ab742</code></a>
Bump version to 1.11.2+dev</li>
<li><a
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Bump version to 1.11</li>
<li><a
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Fix <code>RawExpressionType.accept</code> crash with
<code>--cache-fine-grained</code> (<a
href="https://redirect.github.com/python/mypy/issues/17588">#17588</a>)</li>
<li><a
href="aec04c7448"><code>aec04c7</code></a>
Fix PEP 604 isinstance caching (<a
href="https://redirect.github.com/python/mypy/issues/17563">#17563</a>)</li>
<li><a
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Fix <code>typing.TypeAliasType</code> being undefined on python <
3.12 (<a
href="https://redirect.github.com/python/mypy/issues/17558">#17558</a>)</li>
<li>Additional commits viewable in <a
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Bumps [psycopg2](https://github.com/psycopg/psycopg2) from 2.9.9 to
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<blockquote>
<h2>Current release</h2>
<p>What's new in psycopg 2.9.10
^^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Add support for Python 3.13.</li>
<li>Receive notifications on commit
(🎫<code>[#1728](https://github.com/psycopg/psycopg2/issues/1728)</code>).</li>
<li><code>~psycopg2.errorcodes</code> map and
<code>~psycopg2.errors</code> classes updated to
PostgreSQL 17.</li>
<li>Drop support for Python 3.7.</li>
</ul>
<p>What's new in psycopg 2.9.9
^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Add support for Python 3.12.</li>
<li>Drop support for Python 3.6.</li>
</ul>
<p>What's new in psycopg 2.9.8
^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Wheel package bundled with PostgreSQL 16 libpq in order to add
support for
recent features, such as <code>sslcertmode</code>.</li>
</ul>
<p>What's new in psycopg 2.9.7
^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Fix propagation of exceptions raised during module initialization
(🎫<code>[#1598](https://github.com/psycopg/psycopg2/issues/1598)</code>).</li>
<li>Fix building when pg_config returns an empty string
(🎫<code>[#1599](https://github.com/psycopg/psycopg2/issues/1599)</code>).</li>
<li>Wheel package bundled with OpenSSL 1.1.1v.</li>
</ul>
<p>What's new in psycopg 2.9.6
^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Package manylinux 2014 for aarch64 and ppc64le platforms, in order
to
include libpq 15 in the binary package
(🎫<code>[#1396](https://github.com/psycopg/psycopg2/issues/1396)</code>).</li>
<li>Wheel package bundled with OpenSSL 1.1.1t.</li>
</ul>
<p>What's new in psycopg 2.9.5
^^^^^^^^^^^^^^^^^^^^^^^^^^^</p>
<ul>
<li>Add support for Python 3.11.</li>
<li>Add support for rowcount in MERGE statements in binary packages
(🎫<code>[#1497](https://github.com/psycopg/psycopg2/issues/1497)</code>).</li>
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Spawning from @kegsay [pointing
out](https://matrix.to/#/!cnVVNLKqgUzNTOFQkz:matrix.org/$ExOO7J8uPUQSyH-9Uxc_QCa8jlXX9uK4VRtkSC0EI3o?via=element.io&via=matrix.org&via=jki.re)
that the Sliding Sync endpoint doesn't handle a large room with a lot of
state well on initial sync (requesting all state via `required_state: [
["*","*"] ]`) (it just takes forever).
After investigating further, the slow part is just
`get_events_as_list(...)` fetching all of the current state ID's out for
the room (which can be 100k+ events for rooms with a lot of membership).
This is just a slow thing in Synapse in general and the same thing
happens in Sync v2 or the `/state` endpoint.
---
The only idea I had to improve things was to use `batch_iter` to only
try fetching a fixed amount at a time instead of working with large
maps, lists, and sets. This doesn't seem to have much effect though.
There is already a `batch_iter(event_ids, 200)` in
`_fetch_event_rows(...)` for when we actually have to touch the database
and that's inside a queue to deduplicate work.
I did notice one slight optimization to use `get_events_as_list(...)`
directly instead of `get_events(...)`. `get_events(...)` just turns the
result from `get_events_as_list(...)` into a dict and since we're just
iterating over the events, we don't need the dict/map.
Fixes https://github.com/element-hq/synapse/issues/17698
This handles `required_state` changes by checking if new state has been
added to the config, and if so fetching and returning that from the
current state.
This also takes care to ensure that given a state entry S that is added,
removed and then re-added that we do *not* send S down a second time if
there have been no changes to S in the current state. This is fine for
Rust SDK (as it just remembers all state), but we might decide not to do
this behaviour in the MSC. If we decide to always send down S then its
easy enough to rip out all the code.
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
c.f. https://wiki.ubuntu.com/Releases for the currently supported Ubuntu
releases.
Note: this removes support for 23.04 and 23.10, which are EOL.
Fixes#17811
- better validation on user input
- fix an early task completion
- when checking membership in rooms, check for rooms user has been
banned from as well
Two changes: a) use a batch lookup function instead of a loop, b) check
existing data to see if we already have what we need and only fetch what
we don't.
Adds the option to load the Redis password from a file, instead of
giving it in the config directly. The code is similar to how it’s done
for `registration_shared_secret_path`. I changed the example in the
documentation to represent the best practice regarding the handling of
secrets.
Reading secrets from files has the security advantage of separating the
secrets from the config. It also simplifies secrets management in
Kubernetes.
Added a note in the documentation suggesting that users may set
`PYTHONMALLOC=malloc` when using `jemalloc`. This allows jemalloc to
track memory usage more accurately by bypassing Python's internal
small-object allocator (`pymalloc`), helping to ensure that
`cache_autotuning` functions as expected.
This doc change aims to provide more clarity for users configuring
jemalloc with Synapse.
Based on:
4ac783549c/synapse/metrics/jemalloc.py (L198-L201)
There is a bug with the `StreamChangeCache` where it would incorrectly
return that all entities had changed if asked for entities changed
*since* the earliest stream position.
Note that for streams we use the inequalities: `$min_stream_id <
stream_id <= $max_stream_id`, i.e. when we ask the stream change cache
for all things that have changed since `$stream_id` we don't care for
events that happened *at* `$stream_id`.
Specifically: `_earliest_known_stream_pos` is the position at which we
know that we'll have entries for all changes since that point, we can
use the cache for any stream IDs that equal
`_earliest_known_stream_pos`.
`_earliest_known_stream_pos` is set in three places:
- On startup we set it either to:
- the current maximum stream ID, with not prefilled values; or
- the minimum of the latest N values we pulled from the DB
- When we evict items from the bottom, we set it to the stream ID of the
evicted items.
This was changed in https://github.com/matrix-org/synapse/pull/14435,
but I think we were overly conservative there.
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Based on #17765.
Basically the idea is to reduce the overhead of calling
`ObservableDeferred` in a loop. The two gains are: a) just using a list
of deferreds rather than the machinery of `ObservableDeferred`, and b)
only calling `PreseverLoggingContext` once.
`PreseverLoggingContext` in particular is expensive to call a lot as
each time it needs to call `get_thread_resource_usage` twice, so that it
an update the CPU metrics of the log context.
The notifier is quite inefficient when it has to wake up many user
streams all at once
From a silly benchmark this takes the time to notify 1M user streams
from ~30s to ~5s
This works as instead of passing *all* rooms to `record_sent_rooms` we
only need to pass rooms that were previously not in the LIVE state.
This came from a py-spy where we were spending ~10% CPU calling these
functions. Note that `record_sent_rooms` is a no-op for rooms that are
already in the `LIVE` state, so we only need to call them for
`PREVIOUSLY` or `INITIAL` rooms.
This was a note added in the PR to move to AGPL, which we failed to
remove before landing.
(The context for this was that we needed to decide if we were going to
change which debian repository we published too, but decided not to in
the end)
Bumps [types-setuptools](https://github.com/python/typeshed) from
74.1.0.20240907 to 75.1.0.20240917.
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This is basically exactly the same logic as for receipts. Essentially we
just need to track which room account data we have and haven't sent down
to clients, and use that when we pull stuff out.
I think this just needs a couple of extra tests written
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
Performance optimization: We can avoid fetching rooms that the user has
left themselves (which could be a significant amount), then only add
back rooms that the user has `newly_left` (left in the token range of an
incremental sync). It's a lot faster to fetch less rooms than fetch them
all and throw them away in most cases. Since the user only leaves a room
(or is state reset out) once in a blue moon, we can avoid a lot of work.
Based on @erikjohnston's branch, erikj/ss_perf
---------
Co-authored-by: Erik Johnston <erik@matrix.org>
Add cache to `get_tags_for_room(...)`
This helps Sliding Sync because `get_tags_for_room(...)` is going to be
used in https://github.com/element-hq/synapse/pull/17695
Essentially, we're just trying to match `get_account_data_for_room(...)`
which already has a tree cache.
No need to sort if the range is large enough to cover all of the rooms
in the list. Previously, we would only do this optimization if the range
was exactly large enough.
Follow-up to https://github.com/element-hq/synapse/pull/17672
This appears to be enough to make Element Web work (or at least move it
on to the next hurdle)
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
Move filters tests to rest layer in order to test the new (with sliding
sync tables) and fallback paths that Sliding Sync can use.
Also found a bug in the new path because it's not being tested which is
also fixed in this PR. We now take into account `has_known_state` when
filtering.
Spawning from
https://github.com/element-hq/synapse/pull/17662#discussion_r1755574791.
This should have been done when we started using the new sliding sync
tables in https://github.com/element-hq/synapse/pull/17630
This PR changes `from pydantic import BaseModel` to `from
synapse._pydantic_compat import BaseModel` (as well as `constr`,
`conbytes`, `conint`, `confloat`).
It allows `check_pydantic_models.py` to mock those pydantic objects only
in the synapse module, and not interfere with pydantic objects in
external dependencies.
This should solve the CI problems for #17144, which breaks because
`check_pydantic_models.py` patches pydantic models from
[scim2-models](https://scim2-models.readthedocs.io/).
/cc @DMRobertson @gotmax23
fixes#17659
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [x] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct
(run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
We need to bust the `get_sliding_sync_rooms_for_user`
cache when the room encryption is updated and any
other field that is used in the query.
Follow-up to https://github.com/element-hq/synapse/pull/17630
- Bust cache for membership change (cross-reference
`get_rooms_for_user`)
- Bust cache for room `encryption` (cross-reference
`get_room_encryption`)
- Bust cache for `forgotten` (cross-reference
`did_forget`/`get_forgotten_rooms_for_user`)
For rooms with a name we can skip fetching a full room summary, as we
don't need to calculate heroes, and instead just fetch the room counts
directly.
This also changes things to not return counts and heroes for non-joined
rooms. For left/banned rooms we were returning zero values anyway, and
for invite/knock rooms we don't really want to leak such information
(even if some of is included in the stripped state).
For rooms with a name we can skip fetching a full room summary, as we
don't need to calculate heroes, and instead just fetch the room counts
directly.
This also changes things to not return counts and heroes for non-joined
rooms. For left/banned rooms we were returning zero values anyway, and
for invite/knock rooms we don't really want to leak such information
(even if some of is included in the stripped state).
Speed up incremental sync by avoiding extra work. We first look at the
state delta changes and only fetch and calculate further derived things
if they have changed.
Instead of having a large cache of `room_id -> bool` about whether a
room is partially stated, replace with a "fetch rooms the user is which
are partially-stated". This is a lot faster as the set of partially
stated rooms at any point across the whole server is small, and so such
a query is fast.
The main issue with the bulk cache lookup is the CPU time looking all
the rooms up in the cache.
We ended up spending ~10% CPU creating a new dictionary and
`_RoomMembershipForUser`, so let's avoid creating new dicts and copying
by returning `newly_joined`, `newly_left` and `is_dm` as sets directly.
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
I thought ruff check would also format, but it doesn't.
This runs ruff format in CI and dev scripts. The first commit is just a
run of `ruff format .` in the root directory.
This is to make it easier to reuse the logic when adding support for the
new tables
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
Regressed in #17543.
The `max_download_size` config is not available on workers that don't
load the media repo.
Besides, we should honour the max_size param that was passed into the
function.
This will help mitigating any discrepancies between the issuer
configured and the one returned by the OIDC provider.
This also removes the need for configuring the `account_management_url`
explicitely, as it will now be loaded from the OIDC discovery, as per
MSC2965.
Because we may now fetch stuff for the .well-known/matrix/client
endpoint, this also transforms the client well-known resource to be
asynchronous.
This is so that we can cache it.
We also move the sliding sync types to
`synapse/types/handlers/sliding_sync.py`. This is mainly in-prep for
The only change in behaviour is that
`RoomSyncConfig.combine_sync_config(..)` now returns a new room sync
config rather than mutating in-place.
Reviewable commit-by-commit.
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
This will help mitigating any discrepancies between the issuer
configured and the one returned by the OIDC provider.
This also removes the need for configuring the `account_management_url`
explicitely, as it will now be loaded from the OIDC discovery, as per
MSC2965.
Because we may now fetch stuff for the .well-known/matrix/client
endpoint, this also transforms the client well-known resource to be
asynchronous.
Fix outlier re-persisting causing problems with sliding sync tables
Follow-up to https://github.com/element-hq/synapse/pull/17512
When running on `matrix.org`, we discovered that a remote invite is
first persisted as an `outlier` and then re-persisted again where it is
de-outliered. The first the time, the `outlier` is persisted with one
`stream_ordering` but when persisted again and de-outliered, it is
assigned a different `stream_ordering` that won't end up being used.
Since we call `_calculate_sliding_sync_table_changes()` before
`_update_outliers_txn()` which fixes this discrepancy (always use the
`stream_ordering` from the first time it was persisted), we're working
with an unreliable `stream_ordering` value that will possibly be unused
and not make it into the `events` table.
This is so that we can cache it.
We also move the sliding sync types to
`synapse/types/handlers/sliding_sync.py`. This is mainly in-prep for
#17599 to avoid circular imports.
The only change in behaviour is that
`RoomSyncConfig.combine_sync_config(..)` now returns a new room sync
config rather than mutating in-place.
Reviewable commit-by-commit.
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
Pre-populate room data for quick filtering/sorting in the Sliding Sync
API
Spawning from
https://github.com/element-hq/synapse/pull/17450#discussion_r1697335578
This PR is acting as the Synapse version `N+1` step in the gradual
migration being tracked by
https://github.com/element-hq/synapse/issues/17623
Adding two new database tables:
- `sliding_sync_joined_rooms`: A table for storing room meta data that
the local server is still participating in. The info here can be shared
across all `Membership.JOIN`. Keyed on `(room_id)` and updated when the
relevant room current state changes or a new event is sent in the room.
- `sliding_sync_membership_snapshots`: A table for storing a snapshot of
room meta data at the time of the local user's membership. Keyed on
`(room_id, user_id)` and only updated when a user's membership in a room
changes.
Also adds background updates to populate these tables with all of the
existing data.
We want to have the guarantee that if a row exists in the sliding sync
tables, we are able to rely on it (accurate data). And if a row doesn't
exist, we use a fallback to get the same info until the background
updates fill in the rows or a new event comes in triggering it to be
fully inserted. This means we need a couple extra things in place until
we bump `SCHEMA_COMPAT_VERSION` and run the foreground update in the
`N+2` part of the gradual migration. For context on why we can't rely on
the tables without these things see [1].
1. On start-up, block until we clear out any rows for the rooms that
have had events since the max-`stream_ordering` of the
`sliding_sync_joined_rooms` table (compare to max-`stream_ordering` of
the `events` table). For `sliding_sync_membership_snapshots`, we can
compare to the max-`stream_ordering` of `local_current_membership`
- This accounts for when someone downgrades their Synapse version and
then upgrades it again. This will ensure that we don't have any
stale/out-of-date data in the
`sliding_sync_joined_rooms`/`sliding_sync_membership_snapshots` tables
since any new events sent in rooms would have also needed to be written
to the sliding sync tables. For example a new event needs to bump
`event_stream_ordering` in `sliding_sync_joined_rooms` table or some
state in the room changing (like the room name). Or another example of
someone's membership changing in a room affecting
`sliding_sync_membership_snapshots`.
1. Add another background update that will catch-up with any rows that
were just deleted from the sliding sync tables (based on the activity in
the `events`/`local_current_membership`). The rooms that need
recalculating are added to the
`sliding_sync_joined_rooms_to_recalculate` table.
1. Making sure rows are fully inserted. Instead of partially inserting,
we need to check if the row already exists and fully insert all data if
not.
All of this extra functionality can be removed once the
`SCHEMA_COMPAT_VERSION` is bumped with support for the new sliding sync
tables so people can no longer downgrade (the `N+2` part of the gradual
migration).
<details>
<summary><sup>[1]</sup></summary>
For `sliding_sync_joined_rooms`, since we partially insert rows as state
comes in, we can't rely on the existence of the row for a given
`room_id`. We can't even rely on looking at whether the background
update has finished. There could still be partial rows from when someone
reverted their Synapse version after the background update finished, had
some state changes (or new rooms), then upgraded again and more state
changes happen leaving a partial row.
For `sliding_sync_membership_snapshots`, we insert items as a whole
except for the `forgotten` column ~~so we can rely on rows existing and
just need to always use a fallback for the `forgotten` data. We can't
use the `forgotten` column in the table for the same reasons above about
`sliding_sync_joined_rooms`.~~ We could have an out-of-date membership
from when someone reverted their Synapse version. (same problems as
outlined for `sliding_sync_joined_rooms` above)
Discussed in an [internal
meeting](https://docs.google.com/document/d/1MnuvPkaCkT_wviSQZ6YKBjiWciCBFMd-7hxyCO-OCbQ/edit#bookmark=id.dz5x6ef4mxz7)
</details>
### TODO
- [x] Update `stream_ordering`/`bump_stamp`
- [x] Handle remote invites
- [x] Handle state resets
- [x] Consider adding `sender` so we can filter `LEAVE` memberships and
distinguish from kicks.
- [x] We should add it to be able to tell leaves from kicks
- [x] Consider adding `tombstone` state to help address
https://github.com/element-hq/synapse/issues/17540
- [x] We should add it `tombstone_successor_room_id`
- [x] Consider adding `forgotten` status to avoid extra
lookup/table-join on `room_memberships`
- [x] We should add it
- [x] Background update to fill in values for all joined rooms and
non-join membership
- [x] Clean-up tables when room is deleted
- [ ] Make sure tables are useful to our use case
- First explored in
https://github.com/element-hq/synapse/compare/erikj/ss_use_new_tables
- Also explored in
76b5a576eb
- [x] Plan for how can we use this with a fallback
- See plan discussed above in main area of the issue description
- Discussed in an [internal
meeting](https://docs.google.com/document/d/1MnuvPkaCkT_wviSQZ6YKBjiWciCBFMd-7hxyCO-OCbQ/edit#bookmark=id.dz5x6ef4mxz7)
- [x] Plan for how we can rely on this new table without a fallback
- Synapse version `N+1`: (this PR) Bump `SCHEMA_VERSION` to `87`. Add
new tables and background update to backfill all rows. Since this is a
new table, we don't have to add any `NOT VALID` constraints and validate
them when the background update completes. Read from new tables with a
fallback in cases where the rows aren't filled in yet.
- Synapse version `N+2`: Bump `SCHEMA_VERSION` to `88` and bump
`SCHEMA_COMPAT_VERSION` to `87` because we don't want people to
downgrade and miss writes while they are on an older version. Add a
foreground update to finish off the backfill so we can read from new
tables without the fallback. Application code can now rely on the new
tables being populated.
- Discussed in an [internal
meeting](https://docs.google.com/document/d/1MnuvPkaCkT_wviSQZ6YKBjiWciCBFMd-7hxyCO-OCbQ/edit#bookmark=id.hh7shg4cxdhj)
### Dev notes
```
SYNAPSE_TEST_LOG_LEVEL=INFO poetry run trial tests.storage.test_events.SlidingSyncPrePopulatedTablesTestCase
SYNAPSE_POSTGRES=1 SYNAPSE_POSTGRES_USER=postgres SYNAPSE_TEST_LOG_LEVEL=INFO poetry run trial tests.storage.test_events.SlidingSyncPrePopulatedTablesTestCase
```
```
SYNAPSE_TEST_LOG_LEVEL=INFO poetry run trial tests.handlers.test_sliding_sync.FilterRoomsTestCase
```
Reference:
- [Development docs on background updates and worked examples of gradual
migrations
](1dfa59b238/docs/development/database_schema.md (background-updates))
- A real example of a gradual migration:
https://github.com/matrix-org/synapse/pull/15649#discussion_r1213779514
- Adding `rooms.creator` field that needed a background update to
backfill data, https://github.com/matrix-org/synapse/pull/10697
- Adding `rooms.room_version` that needed a background update to
backfill data, https://github.com/matrix-org/synapse/pull/6729
- Adding `room_stats_state.room_type` that needed a background update to
backfill data, https://github.com/matrix-org/synapse/pull/13031
- Tables from MSC2716: `insertion_events`, `insertion_event_edges`,
`insertion_event_extremities`, `batch_events`
- `current_state_events` updated in
`synapse/storage/databases/main/events.py`
---
```
persist_event (adds to queue)
_persist_event_batch
_persist_events_and_state_updates (assigns `stream_ordering` to events)
_persist_events_txn
_store_event_txn
_update_metadata_tables_txn
_store_room_members_txn
_update_current_state_txn
```
---
> Concatenated Indexes [...] (also known as multi-column, composite or
combined index)
>
> [...] key consists of multiple columns.
>
> We can take advantage of the fact that the first index column is
always usable for searching
>
> *--
https://use-the-index-luke.com/sql/where-clause/the-equals-operator/concatenated-keys*
---
Dealing with `portdb` (`synapse/_scripts/synapse_port_db.py`),
https://github.com/element-hq/synapse/pull/17512#discussion_r1725998219
---
<details>
<summary>SQL queries:</summary>
Both of these are equivalent and work in SQLite and Postgres
Options 1:
```sql
WITH data_table (room_id, user_id, membership_event_id, membership, event_stream_ordering, {", ".join(insert_keys)}) AS (
VALUES (
?, ?, ?,
(SELECT membership FROM room_memberships WHERE event_id = ?),
(SELECT stream_ordering FROM events WHERE event_id = ?),
{", ".join("?" for _ in insert_values)}
)
)
INSERT INTO sliding_sync_non_join_memberships
(room_id, user_id, membership_event_id, membership, event_stream_ordering, {", ".join(insert_keys)})
SELECT * FROM data_table
WHERE membership != ?
ON CONFLICT (room_id, user_id)
DO UPDATE SET
membership_event_id = EXCLUDED.membership_event_id,
membership = EXCLUDED.membership,
event_stream_ordering = EXCLUDED.event_stream_ordering,
{", ".join(f"{key} = EXCLUDED.{key}" for key in insert_keys)}
```
Option 2:
```sql
INSERT INTO sliding_sync_non_join_memberships
(room_id, user_id, membership_event_id, membership, event_stream_ordering, {", ".join(insert_keys)})
SELECT
column1 as room_id,
column2 as user_id,
column3 as membership_event_id,
column4 as membership,
column5 as event_stream_ordering,
{", ".join("column" + str(i) for i in range(6, 6 + len(insert_keys)))}
FROM (
VALUES (
?, ?, ?,
(SELECT membership FROM room_memberships WHERE event_id = ?),
(SELECT stream_ordering FROM events WHERE event_id = ?),
{", ".join("?" for _ in insert_values)}
)
) as v
WHERE membership != ?
ON CONFLICT (room_id, user_id)
DO UPDATE SET
membership_event_id = EXCLUDED.membership_event_id,
membership = EXCLUDED.membership,
event_stream_ordering = EXCLUDED.event_stream_ordering,
{", ".join(f"{key} = EXCLUDED.{key}" for key in insert_keys)}
```
If we don't need the `membership` condition, we could use:
```sql
INSERT INTO sliding_sync_non_join_memberships
(room_id, membership_event_id, user_id, membership, event_stream_ordering, {", ".join(insert_keys)})
VALUES (
?, ?, ?,
(SELECT membership FROM room_memberships WHERE event_id = ?),
(SELECT stream_ordering FROM events WHERE event_id = ?),
{", ".join("?" for _ in insert_values)}
)
ON CONFLICT (room_id, user_id)
DO UPDATE SET
membership_event_id = EXCLUDED.membership_event_id,
membership = EXCLUDED.membership,
event_stream_ordering = EXCLUDED.event_stream_ordering,
{", ".join(f"{key} = EXCLUDED.{key}" for key in insert_keys)}
```
</details>
### Pull Request Checklist
<!-- Please read
https://element-hq.github.io/synapse/latest/development/contributing_guide.html
before submitting your pull request -->
* [x] Pull request is based on the develop branch
* [x] Pull request includes a [changelog
file](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#changelog).
The entry should:
- Be a short description of your change which makes sense to users.
"Fixed a bug that prevented receiving messages from other servers."
instead of "Moved X method from `EventStore` to `EventWorkerStore`.".
- Use markdown where necessary, mostly for `code blocks`.
- End with either a period (.) or an exclamation mark (!).
- Start with a capital letter.
- Feel free to credit yourself, by adding a sentence "Contributed by
@github_username." or "Contributed by [Your Name]." to the end of the
entry.
* [x] [Code
style](https://element-hq.github.io/synapse/latest/code_style.html) is
correct
(run the
[linters](https://element-hq.github.io/synapse/latest/development/contributing_guide.html#run-the-linters))
---------
Co-authored-by: Erik Johnston <erik@matrix.org>
Regressed in #17543.
The `max_download_size` config is not available on workers that don't
load the media repo.
Besides, we should honour the max_size param that was passed into the
function.
When returning receipts in sliding sync for initial rooms we should
always include our own receipts in the room (even if they don't match
any timeline events).
Reviewable commit-by-commit.
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
Move calculating of the room lists out of the core handler. This should
make it easier to switch things around to start using the tables in
#17512.
This is just moving code between files and methods.
Reviewable commit-by-commit
`hash_password` now actually accepts password from stdin. The `getpass`
reads from TTY, and does NOT accept stdin in any way.
The manpage has been updated to reflect that.
That file was getting long.
The changes are non functional, and simply split things up into:
- the main class
- the connection store
- the extensions
- the types
This supersedes #17503, given the per-connection state is being heavily
rewritten it felt easier to recreate the PR on top of that work.
This correctly handles the case of timeline limits going up and down.
This does not handle changes in `required_state`, but that can be done
as a separate PR.
Based on #17575.
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
This is some prep work ahead of correctly tracking receipts, where we
will also want to track the room status in terms of last receipt we had
sent down.
Essentially, we add two classes `PerConnectionState` and a mutable
version, and then operate on those.
---------
Co-authored-by: Eric Eastwood <eric.eastwood@beta.gouv.fr>
Results in:
```
AssertionError: null
File "synapse/http/server.py", line 332, in _async_render_wrapper
callback_return = await self._async_render(request)
File "synapse/http/server.py", line 544, in _async_render
callback_return = await raw_callback_return
File "synapse/federation/transport/server/_base.py", line 369, in new_func
response = await func(
File "synapse/federation/transport/server/federation.py", line 826, in on_GET
await self.media_repo.get_local_media(
File "synapse/media/media_repository.py", line 473, in get_local_media
await respond_with_multipart_responder(
File "synapse/media/_base.py", line 353, in respond_with_multipart_responder
assert content_length is not None
```
So that clients can check for support. Note that if the feature is only
enabled for some users, the `/versions` request must be authenticated to
pick up that SSS is enabled for the user
`old_verify_keys` isn't marked as required in
https://spec.matrix.org/v1.11/server-server-api/#get_matrixkeyv2server
and there's no functional difference between an empty object and
omitting the object, so I don't think there's any reason synapse should
explode when the field is omitted.
Follow on from #17558
Basically, we want to reduce the number of threads we want to use at a
time, i.e. reduce the number of threads that are paused/blocked. We do
this by returning from the thread when the consumer pauses the producer,
rather than pausing in the thread.
---------
Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
Previously, we just had very basic partial room exclusion based on
whether we were lazy-loading room members. Now with this PR, we added
`must_await_full_state(...)` with rules to check if we have a we're only
requesting `required_state` which is completely satisfied even with
partial state.
Partially-stated rooms should have all state events except for remote
membership events so if we require a remote membership event anywhere,
then we need to return `True`.
- Fix a bug introduced in Synapse v1.120rc1 which would cause the newly-introduced `delete_old_otks` job to fail in worker-mode deployments. ([\#17960](https://github.com/element-hq/synapse/issues/17960))
# Synapse 1.120.0rc1 (2024-11-20)
This release enables the enforcement of authenticated media by default, with exemptions for media that is already present in the
homeserver's media store.
Most homeservers operating in the public federation will not be impacted by this change, given that
the large homeserver `matrix.org` enabled this in September 2024 and therefore most clients and servers
will already have updated as a result.
Some server administrators may still wish to disable this enforcement for the time being, in the interest of compatibility with older clients
and older federated homeservers.
See the [upgrade notes](https://element-hq.github.io/synapse/v1.120/upgrade.html#authenticated-media-is-now-enforced-by-default) for more information.
### Features
- Enforce authenticated media by default. Administrators can revert this by configuring `enable_authenticated_media` to `false`. In a future release of Synapse, this option will be removed and become always-on. ([\#17889](https://github.com/element-hq/synapse/issues/17889))
- Add a one-off task to delete old One-Time Keys, to guard against us having old OTKs in the database that the client has long forgotten about. ([\#17934](https://github.com/element-hq/synapse/issues/17934))
### Improved Documentation
- Clarify the semantics of the `enable_authenticated_media` configuration option. ([\#17913](https://github.com/element-hq/synapse/issues/17913))
- Add documentation about backing up Synapse. ([\#17931](https://github.com/element-hq/synapse/issues/17931))
### Deprecations and Removals
- Remove support for [MSC3886: Simple client rendezvous capability](https://github.com/matrix-org/matrix-spec-proposals/pull/3886), which has been superseded by [MSC4108](https://github.com/matrix-org/matrix-spec-proposals/pull/4108) and therefore closed. ([\#17638](https://github.com/element-hq/synapse/issues/17638))
### Internal Changes
- Addressed some typos in docs and returned error message for unknown MXC ID. ([\#17865](https://github.com/element-hq/synapse/issues/17865))
- Unpin the upload release GHA action. ([\#17923](https://github.com/element-hq/synapse/issues/17923))
- Bump macOS version used to build wheels during release, as current version used is end-of-life. ([\#17924](https://github.com/element-hq/synapse/issues/17924))
- Move server event filtering logic to Rust. ([\#17928](https://github.com/element-hq/synapse/issues/17928))
- Support new package name of PyPI package `python-multipart` 0.0.13 so that distro packagers do not need to work around name conflict with PyPI package `multipart`. ([\#17932](https://github.com/element-hq/synapse/issues/17932))
- Speed up slow initial sliding syncs on large servers. ([\#17946](https://github.com/element-hq/synapse/issues/17946))
### Updates to locked dependencies
* Bump anyhow from 1.0.92 to 1.0.93. ([\#17920](https://github.com/element-hq/synapse/issues/17920))
* Bump bleach from 6.1.0 to 6.2.0. ([\#17918](https://github.com/element-hq/synapse/issues/17918))
* Bump immutabledict from 4.2.0 to 4.2.1. ([\#17941](https://github.com/element-hq/synapse/issues/17941))
* Bump packaging from 24.1 to 24.2. ([\#17940](https://github.com/element-hq/synapse/issues/17940))
* Bump phonenumbers from 8.13.49 to 8.13.50. ([\#17942](https://github.com/element-hq/synapse/issues/17942))
* Bump pygithub from 2.4.0 to 2.5.0. ([\#17917](https://github.com/element-hq/synapse/issues/17917))
* Bump ruff from 0.7.2 to 0.7.3. ([\#17919](https://github.com/element-hq/synapse/issues/17919))
* Bump serde from 1.0.214 to 1.0.215. ([\#17938](https://github.com/element-hq/synapse/issues/17938))
# Synapse 1.119.0 (2024-11-13)
No significant changes since 1.119.0rc2.
### Python 3.8 support dropped
Python 3.8 is [end-of-life](https://devguide.python.org/versions/) and is no longer supported by Synapse. The minimum supported Python version is now 3.9.
If you are running Synapse with Python 3.8, please upgrade to Python 3.9 (or greater) before upgrading Synapse.
# Synapse 1.119.0rc2 (2024-11-11)
Note that due to packaging issues there was no v1.119.0rc1.
### Features
- Support [MSC4151](https://github.com/matrix-org/matrix-spec-proposals/pull/4151)'s stable report room API. ([\#17374](https://github.com/element-hq/synapse/issues/17374))
- Add experimental support for [MSC4222](https://github.com/matrix-org/matrix-spec-proposals/pull/4222) (Adding `state_after` to sync v2). ([\#17888](https://github.com/element-hq/synapse/issues/17888))
### Bugfixes
- Fix bug with sliding sync where `$LAZY`-loading room members would not return `required_state` membership in incremental syncs. ([\#17809](https://github.com/element-hq/synapse/issues/17809))
- Check if user has membership in a room before tagging it. Contributed by Lama Alosaimi. ([\#17839](https://github.com/element-hq/synapse/issues/17839))
- Fix a bug in the admin redact endpoint where the background task would not run if a worker was specified in
the config option `run_background_tasks_on`. ([\#17847](https://github.com/element-hq/synapse/issues/17847))
- Fix bug where some presence and typing timeouts can expire early. ([\#17850](https://github.com/element-hq/synapse/issues/17850))
- Fix detection when the built Rust library was outdated when using source installations. ([\#17861](https://github.com/element-hq/synapse/issues/17861))
- Fix a long-standing bug in Synapse which could cause one-time keys to be issued in the incorrect order, causing message decryption failures. ([\#17903](https://github.com/element-hq/synapse/pull/17903))
- Fix experimental support for [MSC4222](https://github.com/matrix-org/matrix-spec-proposals/pull/4222) (Adding `state_after` to sync v2) where we would return the full state on incremental syncs when using lazy loaded members and there were no new events in the timeline. ([\#17915](https://github.com/element-hq/synapse/pull/17915))
### Internal Changes
- Remove support for python 3.8. ([\#17908](https://github.com/element-hq/synapse/issues/17908))
- Add a test for downloading and thumbnailing a CMYK JPEG. ([\#17786](https://github.com/element-hq/synapse/issues/17786))
- Include the destination in the error of 'Destination mismatch' on federation requests. ([\#17830](https://github.com/element-hq/synapse/issues/17830))
- The nix flake inside the repository no longer tracks nixpkgs/master to not catch the latest bugs from a PR merged 5 minutes ago. ([\#17852](https://github.com/element-hq/synapse/issues/17852))
- Minor speed-up of sliding sync by computing extensions results in parallel. ([\#17884](https://github.com/element-hq/synapse/issues/17884))
- Bump the default Python version in the Synapse Dockerfile from 3.11 -> 3.12. ([\#17887](https://github.com/element-hq/synapse/issues/17887))
- Remove usage of internal header encoding API. ([\#17894](https://github.com/element-hq/synapse/issues/17894))
- Use unique name for each os.arch variant when uploading Wheel artifacts. ([\#17905](https://github.com/element-hq/synapse/issues/17905))
- Fix tests to run with latest Twisted. ([\#17906](https://github.com/element-hq/synapse/pull/17906), [\#17907](https://github.com/element-hq/synapse/pull/17907), [\#17911](https://github.com/element-hq/synapse/pull/17911))
- Update version constraint to allow the latest poetry-core 1.9.1. ([\#17902](https://github.com/element-hq/synapse/pull/17902))
- Update the portdb CI to use Python 3.13 and Postgres 17 as latest dependencies. ([\#17909](https://github.com/element-hq/synapse/pull/17909))
- Add an index to `current_state_delta_stream` table. ([\#17912](https://github.com/element-hq/synapse/issues/17912))
- Fix building and attaching release artifacts during the release process. ([\#17921](https://github.com/element-hq/synapse/issues/17921))
### Updates to locked dependencies
* Bump actions/download-artifact & actions/upload-artifact from 3 to 4 in /.github/workflows. ([\#17657](https://github.com/element-hq/synapse/issues/17657))
* Bump anyhow from 1.0.89 to 1.0.92. ([\#17858](https://github.com/element-hq/synapse/issues/17858), [\#17876](https://github.com/element-hq/synapse/issues/17876), [\#17901](https://github.com/element-hq/synapse/issues/17901))
* Bump bytes from 1.7.2 to 1.8.0. ([\#17877](https://github.com/element-hq/synapse/issues/17877))
* Bump cryptography from 43.0.1 to 43.0.3. ([\#17853](https://github.com/element-hq/synapse/issues/17853))
* Bump mypy-zope from 1.0.7 to 1.0.8. ([\#17898](https://github.com/element-hq/synapse/issues/17898))
* Bump phonenumbers from 8.13.47 to 8.13.49. ([\#17880](https://github.com/element-hq/synapse/issues/17880), [\#17899](https://github.com/element-hq/synapse/issues/17899))
* Bump python-multipart from 0.0.12 to 0.0.16. ([\#17879](https://github.com/element-hq/synapse/issues/17879))
* Bump regex from 1.11.0 to 1.11.1. ([\#17874](https://github.com/element-hq/synapse/issues/17874))
* Bump ruff from 0.6.9 to 0.7.2. ([\#17868](https://github.com/element-hq/synapse/issues/17868), [\#17897](https://github.com/element-hq/synapse/issues/17897))
* Bump serde from 1.0.210 to 1.0.214. ([\#17875](https://github.com/element-hq/synapse/issues/17875), [\#17900](https://github.com/element-hq/synapse/issues/17900))
* Bump serde_json from 1.0.128 to 1.0.132. ([\#17857](https://github.com/element-hq/synapse/issues/17857))
* Bump types-psycopg2 from 2.9.21.20240819 to 2.9.21.20241019. ([\#17855](https://github.com/element-hq/synapse/issues/17855))
* Bump types-setuptools from 75.1.0.20241014 to 75.2.0.20241019. ([\#17856](https://github.com/element-hq/synapse/issues/17856))
# Synapse 1.118.0 (2024-10-29)
No significant changes since 1.118.0rc1.
### Python 3.8 support will be dropped in the next release
Python 3.8 is now [end-of-life](https://devguide.python.org/versions/). As per our [Deprecation Policy for Platform Dependencies](https://element-hq.github.io/synapse/latest/deprecation_policy.html#policy), Synapse will be dropping support for Python 3.8 in the next release; Synapse 1.119.0.
Synapse 1.118.x will be the final release to support Python 3.8. If you are running Synapse with Python 3.8, please upgrade before the 1.119.0 release, due in less than one month.
### Python 3.13 and PostgreSQL 17 support
On the other end of the spectrum, Synapse 1.118.0 is the first release to support [Python 3.13](https://www.python.org/downloads/release/python-3130/)! [PostgreSQL 17](https://www.postgresql.org/about/news/postgresql-17-released-2936/) is also supported as of this release.
# Synapse 1.118.0rc1 (2024-10-22)
### Features
- Added the `display_name_claim` option to the JWT configuration. This option allows specifying the claim key that contains the user's display name in the JWT payload. ([\#17708](https://github.com/element-hq/synapse/issues/17708))
- Fix saving of PNG thumbnails, when the original image is in the CMYK color space. ([\#17736](https://github.com/element-hq/synapse/issues/17736))
- Fix bug with sliding sync where the server would not return state that was added to the `required_state` config. ([\#17785](https://github.com/element-hq/synapse/issues/17785), [\#17805](https://github.com/element-hq/synapse/issues/17805))
- Fix a bug in [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync that would cause rooms to stay forgotten and hidden even after rejoining. ([\#17835](https://github.com/element-hq/synapse/issues/17835))
### Improved Documentation
- Clarify when the `user_may_invite` and `user_may_send_3pid_invite` module callbacks are called. ([\#17627](https://github.com/element-hq/synapse/issues/17627))
- Correct documentation to refer to the `--config-path` argument instead of `--config-file`. ([\#17802](https://github.com/element-hq/synapse/issues/17802))
- Fix typo in `target_cache_memory_usage` docs. ([\#17825](https://github.com/element-hq/synapse/issues/17825))
### Internal Changes
- Slight optimization when fetching state/events for Sliding Sync. ([\#17718](https://github.com/element-hq/synapse/issues/17718))
- Add Python 3.13 and Postgres 17 to the test matrix. ([\#17752](https://github.com/element-hq/synapse/issues/17752))
- Test github token before running release script steps. ([\#17803](https://github.com/element-hq/synapse/issues/17803))
- Build debian packages for new Ubuntu versions, and stop building for no longer supported versions. ([\#17824](https://github.com/element-hq/synapse/issues/17824))
- Enable the `.org.matrix.msc4028.encrypted_event` push rule by default in accordance with [MSC4028](https://github.com/matrix-org/matrix-spec-proposals/pull/4028). Note that the corresponding experimental feature must still be switched on for this push rule to have any effect. ([\#17826](https://github.com/element-hq/synapse/issues/17826))
- Fix some typing issues uncovered by upgrading mypy to 1.11.x. ([\#17842](https://github.com/element-hq/synapse/issues/17842))
### Updates to locked dependencies
* Bump mypy from 1.10.1 to 1.11.2. ([\#17842](https://github.com/element-hq/synapse/issues/17842))
* Bump mypy-zope from 1.0.5 to 1.0.7. ([\#17827](https://github.com/element-hq/synapse/issues/17827))
* Bump phonenumbers from 8.13.46 to 8.13.47. ([\#17797](https://github.com/element-hq/synapse/issues/17797))
* Bump psycopg2 from 2.9.9 to 2.9.10. ([\#17843](https://github.com/element-hq/synapse/issues/17843))
* Bump ruff from 0.6.8 to 0.6.9. ([\#17794](https://github.com/element-hq/synapse/issues/17794))
* Bump sentry-sdk from 2.14.0 to 2.15.0. ([\#17795](https://github.com/element-hq/synapse/issues/17795))
* Bump sentry-sdk from 2.15.0 to 2.16.0. ([\#17829](https://github.com/element-hq/synapse/issues/17829))
* Bump sentry-sdk from 2.16.0 to 2.17.0. ([\#17844](https://github.com/element-hq/synapse/issues/17844))
* Bump sigstore/cosign-installer from 3.6.0 to 3.7.0. ([\#17798](https://github.com/element-hq/synapse/issues/17798))
* Bump tomli from 2.0.1 to 2.0.2. ([\#17796](https://github.com/element-hq/synapse/issues/17796))
* Bump types-requests from 2.32.0.20240914 to 2.32.0.20241016. ([\#17841](https://github.com/element-hq/synapse/issues/17841))
* Bump types-setuptools from 75.1.0.20240917 to 75.1.0.20241014. ([\#17828](https://github.com/element-hq/synapse/issues/17828))
- Fix a rare bug introduced in v1.29.0 where invalidating a user's access token from a worker could raise an error. ([\#17779](https://github.com/element-hq/synapse/issues/17779))
- In the response to `GET /_matrix/client/versions`, set the `unstable_features` flag for [MSC4140](https://github.com/matrix-org/matrix-spec-proposals/pull/4140) to `false` when server configuration disables support for delayed events. ([\#17780](https://github.com/element-hq/synapse/issues/17780))
- Improve input validation and room membership checks in admin redaction API. ([\#17792](https://github.com/element-hq/synapse/issues/17792))
### Improved Documentation
- Clarify the docstring of `test_forget_when_not_left`. ([\#17628](https://github.com/element-hq/synapse/issues/17628))
- Add documentation note about PYTHONMALLOC for accurate jemalloc memory tracking. Contributed by @hensg. ([\#17709](https://github.com/element-hq/synapse/issues/17709))
- Remove spurious "TODO UPDATE ALL THIS" note in the Debian installation docs. ([\#17749](https://github.com/element-hq/synapse/issues/17749))
- Explain how load balancing works for `federation_sender_instances`. ([\#17776](https://github.com/element-hq/synapse/issues/17776))
### Internal Changes
- Minor performance increase for large accounts using sliding sync. ([\#17751](https://github.com/element-hq/synapse/issues/17751))
- Increase performance of the notifier when there are many syncing users. ([\#17765](https://github.com/element-hq/synapse/issues/17765), [\#17766](https://github.com/element-hq/synapse/issues/17766))
- Fix performance of streams that don't change often. ([\#17767](https://github.com/element-hq/synapse/issues/17767))
- Improve performance of sliding sync connections that do not ask for any rooms. ([\#17768](https://github.com/element-hq/synapse/issues/17768))
- Reduce overhead of sliding sync E2EE loops. ([\#17771](https://github.com/element-hq/synapse/issues/17771))
- Sliding sync minor performance speed up using new table. ([\#17787](https://github.com/element-hq/synapse/issues/17787))
- Sliding sync minor performance improvement by omitting unchanged data from incremental responses. ([\#17788](https://github.com/element-hq/synapse/issues/17788))
- Speed up sliding sync when there are many active subscriptions. ([\#17789](https://github.com/element-hq/synapse/issues/17789))
- Add missing license headers on new source files. ([\#17799](https://github.com/element-hq/synapse/issues/17799))
### Updates to locked dependencies
* Bump phonenumbers from 8.13.45 to 8.13.46. ([\#17773](https://github.com/element-hq/synapse/issues/17773))
* Bump python-multipart from 0.0.10 to 0.0.12. ([\#17772](https://github.com/element-hq/synapse/issues/17772))
* Bump regex from 1.10.6 to 1.11.0. ([\#17770](https://github.com/element-hq/synapse/issues/17770))
* Bump ruff from 0.6.7 to 0.6.8. ([\#17774](https://github.com/element-hq/synapse/issues/17774))
# Synapse 1.116.0 (2024-10-01)
No significant changes since 1.116.0rc2.
# Synapse 1.116.0rc2 (2024-09-26)
### Features
- Add implementation of restricting who can overwrite a state event as proposed by [MSC3757](https://github.com/matrix-org/matrix-spec-proposals/pull/3757). ([\#17513](https://github.com/element-hq/synapse/issues/17513))
# Synapse 1.116.0rc1 (2024-09-25)
### Features
- Add initial implementation of delayed events as proposed by [MSC4140](https://github.com/matrix-org/matrix-spec-proposals/pull/4140). ([\#17326](https://github.com/element-hq/synapse/issues/17326))
- Add an asynchronous Admin API endpoint [to redact all a user's events](https://element-hq.github.io/synapse/v1.116/admin_api/user_admin_api.html#redact-all-the-events-of-a-user),
and [an endpoint to check on the status of that redaction task](https://element-hq.github.io/synapse/v1.116/admin_api/user_admin_api.html#check-the-status-of-a-redaction-process). ([\#17506](https://github.com/element-hq/synapse/issues/17506))
- Add support for the `tags` and `not_tags` filters for [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync. ([\#17662](https://github.com/element-hq/synapse/issues/17662))
- Guests can use the new media endpoints to download media, as described by [MSC4189](https://github.com/matrix-org/matrix-spec-proposals/pull/4189). ([\#17675](https://github.com/element-hq/synapse/issues/17675))
- Return room tags in [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync account data extension. ([\#17707](https://github.com/element-hq/synapse/issues/17707))
### Bugfixes
- Make sure we get up-to-date state information when using the new [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync tables to derive room membership. ([\#17692](https://github.com/element-hq/synapse/issues/17692))
- Fix bug where room account data would not correctly be sent down [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync for old rooms. ([\#17695](https://github.com/element-hq/synapse/issues/17695))
- Fix a bug in [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync which could prevent /sync from working for certain user accounts. ([\#17727](https://github.com/element-hq/synapse/issues/17727), [\#17733](https://github.com/element-hq/synapse/issues/17733))
- Ignore invites from ignored users in Sliding Sync. ([\#17729](https://github.com/element-hq/synapse/issues/17729))
- Fix bug in [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync where the server would incorrectly return a negative bump stamp, which caused Element X apps to stop syncing. ([\#17748](https://github.com/element-hq/synapse/issues/17748))
### Internal Changes
- Import pydantic objects from the `_pydantic_compat` module.
This allows `check_pydantic_models.py` to mock those pydantic objects
only in the synapse module, and not interfere with pydantic objects in
- Use [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync tables as a bulk shortcut for getting the max `event_stream_ordering` of rooms. ([\#17693](https://github.com/element-hq/synapse/issues/17693))
- Speed up [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) sliding sync requests a bit where there are many room changes. ([\#17696](https://github.com/element-hq/synapse/issues/17696))
- Refactor [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) sliding sync filter unit tests so the sliding sync API has better test coverage. ([\#17703](https://github.com/element-hq/synapse/issues/17703))
- Fetch `bump_stamp`s more efficiently in [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync. ([\#17723](https://github.com/element-hq/synapse/issues/17723))
- Shortcut for checking if certain background updates have completed (utilized in [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync). ([\#17724](https://github.com/element-hq/synapse/issues/17724))
- More efficiently fetch rooms for [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync. ([\#17725](https://github.com/element-hq/synapse/issues/17725))
- Fix `_bulk_get_max_event_pos` being inefficient. ([\#17728](https://github.com/element-hq/synapse/issues/17728))
- Add cache to `get_tags_for_room(...)`. ([\#17730](https://github.com/element-hq/synapse/issues/17730))
- Small performance improvement in speeding up [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) Sliding Sync. ([\#17731](https://github.com/element-hq/synapse/issues/17731))
- Minor speed up of initial [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186) sliding sync requests. ([\#17734](https://github.com/element-hq/synapse/issues/17734))
- Remove usage of the deprecated `cgi` module, deprecated in Python 3.11 and removed in Python 3.13. ([\#17741](https://github.com/element-hq/synapse/issues/17741))
- Fix typing of a variable that is not `Unknown` anymore after updating `treq`. ([\#17744](https://github.com/element-hq/synapse/issues/17744))
### Updates to locked dependencies
* Bump anyhow from 1.0.86 to 1.0.89. ([\#17685](https://github.com/element-hq/synapse/issues/17685), [\#17716](https://github.com/element-hq/synapse/issues/17716))
* Bump bytes from 1.7.1 to 1.7.2. ([\#17743](https://github.com/element-hq/synapse/issues/17743))
* Bump cryptography from 43.0.0 to 43.0.1. ([\#17689](https://github.com/element-hq/synapse/issues/17689))
* Bump idna from 3.8 to 3.10. ([\#17758](https://github.com/element-hq/synapse/issues/17758))
* Bump msgpack from 1.0.8 to 1.1.0. ([\#17759](https://github.com/element-hq/synapse/issues/17759))
* Bump phonenumbers from 8.13.44 to 8.13.45. ([\#17762](https://github.com/element-hq/synapse/issues/17762))
* Bump prometheus-client from 0.20.0 to 0.21.0. ([\#17746](https://github.com/element-hq/synapse/issues/17746))
* Bump pyasn1 from 0.6.0 to 0.6.1. ([\#17714](https://github.com/element-hq/synapse/issues/17714))
* Bump pyasn1-modules from 0.4.0 to 0.4.1. ([\#17747](https://github.com/element-hq/synapse/issues/17747))
* Bump pydantic from 2.8.2 to 2.9.2. ([\#17756](https://github.com/element-hq/synapse/issues/17756))
* Bump python-multipart from 0.0.9 to 0.0.10. ([\#17745](https://github.com/element-hq/synapse/issues/17745))
* Bump ruff from 0.6.4 to 0.6.7. ([\#17715](https://github.com/element-hq/synapse/issues/17715), [\#17760](https://github.com/element-hq/synapse/issues/17760))
* Bump sentry-sdk from 2.13.0 to 2.14.0. ([\#17712](https://github.com/element-hq/synapse/issues/17712))
* Bump serde from 1.0.209 to 1.0.210. ([\#17686](https://github.com/element-hq/synapse/issues/17686))
* Bump serde_json from 1.0.127 to 1.0.128. ([\#17687](https://github.com/element-hq/synapse/issues/17687))
* Bump treq from 23.11.0 to 24.9.1. ([\#17744](https://github.com/element-hq/synapse/issues/17744))
* Bump types-pyyaml from 6.0.12.20240808 to 6.0.12.20240917. ([\#17755](https://github.com/element-hq/synapse/issues/17755))
* Bump types-requests from 2.32.0.20240712 to 2.32.0.20240914. ([\#17713](https://github.com/element-hq/synapse/issues/17713))
* Bump types-setuptools from 74.1.0.20240907 to 75.1.0.20240917. ([\#17757](https://github.com/element-hq/synapse/issues/17757))
# Synapse 1.115.0 (2024-09-17)
No significant changes since 1.115.0rc2.
# Synapse 1.115.0rc2 (2024-09-12)
### Internal Changes
- Pre-populate room data used in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint for quick filtering/sorting. ([\#17652](https://github.com/element-hq/synapse/issues/17652))
- Speed up sliding sync by reducing amount of data pulled out of the database for large rooms. ([\#17683](https://github.com/element-hq/synapse/issues/17683))
# Synapse 1.115.0rc1 (2024-09-10)
### Features
- Improve cross-signing upload when using [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) to use a custom UIA flow stage, with web fallback support. ([\#17509](https://github.com/element-hq/synapse/issues/17509))
### Bugfixes
- Return `400 M_BAD_JSON` upon attempting to complete various room actions with a non-local user ID and unknown room ID, rather than an internal server error. ([\#17607](https://github.com/element-hq/synapse/issues/17607))
- Fix authenticated media responses using a wrong limit when following redirects over federation. ([\#17626](https://github.com/element-hq/synapse/issues/17626))
- Fix bug where we returned the wrong `bump_stamp` for invites in sliding sync response, causing incorrect ordering of invites in the room list. ([\#17674](https://github.com/element-hq/synapse/issues/17674))
### Improved Documentation
- Clarify that the admin api resource is only loaded on the main process and not workers. ([\#17590](https://github.com/element-hq/synapse/issues/17590))
- Fixed typo in `saml2_config` config [example](https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html#saml2_config). ([\#17594](https://github.com/element-hq/synapse/issues/17594))
### Deprecations and Removals
- Stabilise [MSC4156](https://github.com/matrix-org/matrix-spec-proposals/pull/4156) by removing the `msc4156_enabled` config setting and defaulting it to `true`. ([\#17650](https://github.com/element-hq/synapse/issues/17650))
### Internal Changes
- Update [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) implementation: load the issuer and account management URLs from OIDC discovery. ([\#17407](https://github.com/element-hq/synapse/issues/17407))
- Pre-populate room data used in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint for quick filtering/sorting. ([\#17512](https://github.com/element-hq/synapse/issues/17512), [\#17632](https://github.com/element-hq/synapse/issues/17632), [\#17633](https://github.com/element-hq/synapse/issues/17633), [\#17634](https://github.com/element-hq/synapse/issues/17634), [\#17635](https://github.com/element-hq/synapse/issues/17635), [\#17636](https://github.com/element-hq/synapse/issues/17636), [\#17641](https://github.com/element-hq/synapse/issues/17641), [\#17654](https://github.com/element-hq/synapse/issues/17654), [\#17673](https://github.com/element-hq/synapse/issues/17673))
- Store sliding sync per-connection state in the database. ([\#17599](https://github.com/element-hq/synapse/issues/17599), [\#17631](https://github.com/element-hq/synapse/issues/17631))
- Make the sliding sync `PerConnectionState` class immutable. ([\#17600](https://github.com/element-hq/synapse/issues/17600))
- Replace `isort` and `black` with `ruff`. ([\#17620](https://github.com/element-hq/synapse/issues/17620), [\#17643](https://github.com/element-hq/synapse/issues/17643))
- Sliding Sync: Split up `get_room_membership_for_user_at_to_token`. ([\#17629](https://github.com/element-hq/synapse/issues/17629))
- Use new database tables for sliding sync. ([\#17630](https://github.com/element-hq/synapse/issues/17630), [\#17649](https://github.com/element-hq/synapse/issues/17649))
- Prevent duplicate tags being added to Sliding Sync traces. ([\#17655](https://github.com/element-hq/synapse/issues/17655))
- Get `bump_stamp` from [new sliding sync tables](https://github.com/element-hq/synapse/pull/17512) which should be faster. ([\#17658](https://github.com/element-hq/synapse/issues/17658))
- Speed up incremental Sliding Sync requests by avoiding extra work. ([\#17665](https://github.com/element-hq/synapse/issues/17665))
- Small performance improvement in speeding up sliding sync. ([\#17666](https://github.com/element-hq/synapse/issues/17666), [\#17670](https://github.com/element-hq/synapse/issues/17670), [\#17672](https://github.com/element-hq/synapse/issues/17672))
- Speed up sliding sync by reducing number of database calls. ([\#17684](https://github.com/element-hq/synapse/issues/17684))
- Speed up sync by pulling out fewer events from the database. ([\#17688](https://github.com/element-hq/synapse/issues/17688))
### Updates to locked dependencies
* Bump authlib from 1.3.1 to 1.3.2. ([\#17679](https://github.com/element-hq/synapse/issues/17679))
* Bump idna from 3.7 to 3.8. ([\#17682](https://github.com/element-hq/synapse/issues/17682))
* Bump ruff from 0.6.2 to 0.6.4. ([\#17680](https://github.com/element-hq/synapse/issues/17680))
* Bump towncrier from 24.7.1 to 24.8.0. ([\#17645](https://github.com/element-hq/synapse/issues/17645))
* Bump twisted from 24.7.0rc1 to 24.7.0. ([\#17647](https://github.com/element-hq/synapse/issues/17647))
* Bump types-pillow from 10.2.0.20240520 to 10.2.0.20240822. ([\#17644](https://github.com/element-hq/synapse/issues/17644))
* Bump types-psycopg2 from 2.9.21.20240417 to 2.9.21.20240819. ([\#17646](https://github.com/element-hq/synapse/issues/17646))
* Bump types-setuptools from 71.1.0.20240818 to 74.1.0.20240907. ([\#17681](https://github.com/element-hq/synapse/issues/17681))
Simplified Sliding Sync. This allows using the upcoming releases of the Element
X mobile apps without having to run a Sliding Sync Proxy.
### Features
- Enable native sliding sync support ([MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) and [MSC4186](https://github.com/matrix-org/matrix-spec-proposals/pull/4186)) by default. ([\#17648](https://github.com/element-hq/synapse/issues/17648))
# Synapse 1.114.0rc3 (2024-08-30)
### Bugfixes
- Fix regression in v1.114.0rc2 that caused workers to fail to start. ([\#17626](https://github.com/element-hq/synapse/issues/17626))
# Synapse 1.114.0rc2 (2024-08-30)
### Features
- Improve cross-signing upload when using [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) to use a custom UIA flow stage, with web fallback support. ([\#17509](https://github.com/element-hq/synapse/issues/17509))
- Make `hash_password` script accept password input from stdin. ([\#17608](https://github.com/element-hq/synapse/issues/17608))
### Bugfixes
- Fix hierarchy returning 403 when room is accessible through federation. Contributed by Krishan (@kfiven). ([\#17194](https://github.com/element-hq/synapse/issues/17194))
- Fix content-length on federation `/thumbnail` responses. ([\#17532](https://github.com/element-hq/synapse/issues/17532))
- Fix authenticated media responses using a wrong limit when following redirects over federation. ([\#17543](https://github.com/element-hq/synapse/issues/17543))
### Internal Changes
- MSC3861: load the issuer and account management URLs from OIDC discovery. ([\#17407](https://github.com/element-hq/synapse/issues/17407))
- Refactor sliding sync class into multiple files. ([\#17595](https://github.com/element-hq/synapse/issues/17595))
- Store sliding sync per-connection state in the database. ([\#17599](https://github.com/element-hq/synapse/issues/17599))
- Make the sliding sync `PerConnectionState` class immutable. ([\#17600](https://github.com/element-hq/synapse/issues/17600))
- Add support to `@tag_args` for standalone functions. ([\#17604](https://github.com/element-hq/synapse/issues/17604))
- Speed up incremental syncs in sliding sync by adding some more caching. ([\#17606](https://github.com/element-hq/synapse/issues/17606))
- Always return the user's own read receipts in sliding sync. ([\#17617](https://github.com/element-hq/synapse/issues/17617))
- Replace `isort` and `black` with `ruff`. ([\#17620](https://github.com/element-hq/synapse/issues/17620))
- Refactor sliding sync code to move room list logic out into a separate class. ([\#17622](https://github.com/element-hq/synapse/issues/17622))
### Updates to locked dependencies
* Bump attrs from 23.2.0 to 24.2.0. ([\#17609](https://github.com/element-hq/synapse/issues/17609))
* Bump cryptography from 42.0.8 to 43.0.0. ([\#17584](https://github.com/element-hq/synapse/issues/17584))
* Bump phonenumbers from 8.13.43 to 8.13.44. ([\#17610](https://github.com/element-hq/synapse/issues/17610))
* Bump pygithub from 2.3.0 to 2.4.0. ([\#17612](https://github.com/element-hq/synapse/issues/17612))
* Bump pyyaml from 6.0.1 to 6.0.2. ([\#17611](https://github.com/element-hq/synapse/issues/17611))
* Bump sentry-sdk from 2.12.0 to 2.13.0. ([\#17585](https://github.com/element-hq/synapse/issues/17585))
* Bump serde from 1.0.206 to 1.0.208. ([\#17581](https://github.com/element-hq/synapse/issues/17581))
* Bump serde from 1.0.208 to 1.0.209. ([\#17613](https://github.com/element-hq/synapse/issues/17613))
* Bump serde_json from 1.0.124 to 1.0.125. ([\#17582](https://github.com/element-hq/synapse/issues/17582))
* Bump serde_json from 1.0.125 to 1.0.127. ([\#17614](https://github.com/element-hq/synapse/issues/17614))
* Bump types-jsonschema from 4.23.0.20240712 to 4.23.0.20240813. ([\#17583](https://github.com/element-hq/synapse/issues/17583))
* Bump types-setuptools from 71.1.0.20240726 to 71.1.0.20240818. ([\#17586](https://github.com/element-hq/synapse/issues/17586))
# Synapse 1.114.0rc1 (2024-08-20)
### Features
- Add a flag to `/versions`, `org.matrix.simplified_msc3575`, to indicate whether experimental sliding sync support has been enabled. ([\#17571](https://github.com/element-hq/synapse/issues/17571))
- Handle changes in `timeline_limit` in experimental sliding sync. ([\#17579](https://github.com/element-hq/synapse/issues/17579))
- Correctly track read receipts that should be sent down in experimental sliding sync. ([\#17575](https://github.com/element-hq/synapse/issues/17575), [\#17589](https://github.com/element-hq/synapse/issues/17589), [\#17592](https://github.com/element-hq/synapse/issues/17592))
### Bugfixes
- Start handlers for new media endpoints when media resource configured. ([\#17483](https://github.com/element-hq/synapse/issues/17483))
- Fix timeline ordering (using `stream_ordering` instead of topological ordering) in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint. ([\#17510](https://github.com/element-hq/synapse/issues/17510))
- Fix experimental sliding sync implementation to remember any updates in rooms that were not sent down immediately. ([\#17535](https://github.com/element-hq/synapse/issues/17535))
- Better exclude partially stated rooms if we must await full state in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint. ([\#17538](https://github.com/element-hq/synapse/issues/17538))
- Handle lower-case http headers in `_Mulitpart_Parser_Protocol`. ([\#17545](https://github.com/element-hq/synapse/issues/17545))
- Fix fetching federation signing keys from servers that omit `old_verify_keys`. Contributed by @tulir @ Beeper. ([\#17568](https://github.com/element-hq/synapse/issues/17568))
- Fix bug where we would respond with an error when a remote server asked for media that had a length of 0, using the new multipart federation media endpoint. ([\#17570](https://github.com/element-hq/synapse/issues/17570))
- Improve docstrings for profile methods. ([\#17559](https://github.com/element-hq/synapse/issues/17559))
### Internal Changes
- Add more tracing to experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint. ([\#17514](https://github.com/element-hq/synapse/issues/17514))
- Fixup comment in sliding sync implementation. ([\#17531](https://github.com/element-hq/synapse/issues/17531))
- Replace override of deprecated method `HTTPAdapter.get_connection` with `get_connection_with_tls_context`. ([\#17536](https://github.com/element-hq/synapse/issues/17536))
- Fix performance of device lists in `/key/changes` and sliding sync. ([\#17537](https://github.com/element-hq/synapse/issues/17537), [\#17548](https://github.com/element-hq/synapse/issues/17548))
- Bump setuptools from 67.6.0 to 72.1.0. ([\#17542](https://github.com/element-hq/synapse/issues/17542))
- Add a utility function for generating random event IDs. ([\#17557](https://github.com/element-hq/synapse/issues/17557))
- Speed up responding to media requests. ([\#17558](https://github.com/element-hq/synapse/issues/17558), [\#17561](https://github.com/element-hq/synapse/issues/17561), [\#17564](https://github.com/element-hq/synapse/issues/17564), [\#17566](https://github.com/element-hq/synapse/issues/17566), [\#17567](https://github.com/element-hq/synapse/issues/17567), [\#17569](https://github.com/element-hq/synapse/issues/17569))
- Test github token before running release script steps. ([\#17562](https://github.com/element-hq/synapse/issues/17562))
- Reduce log spam of multipart files. ([\#17563](https://github.com/element-hq/synapse/issues/17563))
- Refactor per-connection state in experimental sliding sync handler. ([\#17574](https://github.com/element-hq/synapse/issues/17574))
- Add histogram metrics for sliding sync processing time. ([\#17593](https://github.com/element-hq/synapse/issues/17593))
### Updates to locked dependencies
* Bump bytes from 1.6.1 to 1.7.1. ([\#17526](https://github.com/element-hq/synapse/issues/17526))
* Bump lxml from 5.2.2 to 5.3.0. ([\#17550](https://github.com/element-hq/synapse/issues/17550))
* Bump phonenumbers from 8.13.42 to 8.13.43. ([\#17551](https://github.com/element-hq/synapse/issues/17551))
* Bump regex from 1.10.5 to 1.10.6. ([\#17527](https://github.com/element-hq/synapse/issues/17527))
* Bump sentry-sdk from 2.10.0 to 2.12.0. ([\#17553](https://github.com/element-hq/synapse/issues/17553))
* Bump serde from 1.0.204 to 1.0.206. ([\#17556](https://github.com/element-hq/synapse/issues/17556))
* Bump serde_json from 1.0.122 to 1.0.124. ([\#17555](https://github.com/element-hq/synapse/issues/17555))
* Bump sigstore/cosign-installer from 3.5.0 to 3.6.0. ([\#17549](https://github.com/element-hq/synapse/issues/17549))
* Bump types-pyyaml from 6.0.12.20240311 to 6.0.12.20240808. ([\#17552](https://github.com/element-hq/synapse/issues/17552))
* Bump types-requests from 2.31.0.20240406 to 2.32.0.20240712. ([\#17524](https://github.com/element-hq/synapse/issues/17524))
[MSC4108](https://github.com/matrix-org/matrix-spec-proposals/pull/4108): Add a `Content-Type` header on the `PUT` response to work around a faulty behavior in some caching reverse proxies.
@@ -8,6 +8,9 @@ All examples and snippets assume that your Synapse service is called `synapse` i
An example Docker Compose file can be found [here](docker-compose.yaml).
**For a more comprehensive Docker Compose example, showcasing a full Matrix 2.0 stack (originally based on this
docker-compose.yaml), please see https://github.com/element-hq/element-docker-demo**
## Worker Service Examples in Docker Compose
In order to start the Synapse container as a worker, you must specify an `entrypoint` that loads both the `homeserver.yaml` and the configuration for the worker (`synapse-generic-worker-1.yaml` in the example below). You must also include the worker type in the environment variable `SYNAPSE_WORKER` or alternatively pass `-m synapse.app.generic_worker` as part of the `entrypoint` after `"/start.py", "run"`).
Read the password form the command line if [password] is supplied\. If not, prompt the user and read the password form the \fBSTDIN\fR\. It is not recommended to type the password on the command line directly\. Use the STDIN instead\.
Read the password form the command line if [password] is supplied, or from \fBSTDIN\fR\. If not, prompt the user and read the password from the tty prompt\. It is not recommended to type the password on the command line directly\. Use the STDIN instead\.
.TP
\fB\-c\fR, \fB\-\-config\fR
Read the supplied YAML \fIfile\fR containing the options \fBbcrypt_rounds\fR and the \fBpassword_config\fR section containing the \fBpepper\fR value\.
@@ -55,7 +55,8 @@ It returns a JSON body like the following:
}
],
"user_type":null,
"locked":false
"locked":false,
"suspended":false
}
```
@@ -1361,3 +1362,86 @@ Returns a `404` HTTP status code if no user was found, with a response body like
```
_Added in Synapse 1.72.0._
## Redact all the events of a user
This endpoint allows an admin to redact the events of a given user. There are no restrictions on redactions for a
local user. By default, we puppet the user who sent the message to redact it themselves. Redactions for non-local users are issued using the admin user, and will fail in rooms where the admin user is not admin/does not have the specified power level to issue redactions.
The API is
```
POST /_synapse/admin/v1/user/$user_id/redact
{
"rooms": ["!roomid1", "!roomid2"]
}
```
If an empty list is provided as the key for `rooms`, all events in all the rooms the user is member of will be redacted,
otherwise all the events in the rooms provided in the request will be redacted.
The API starts redaction process running, and returns immediately with a JSON body with
a redact id which can be used to query the status of the redaction process:
```json
{
"redact_id": "<opaque id>"
}
```
**Parameters**
The following parameters should be set in the URL:
- `user_id` - The fully qualified MXID of the user: for example, `@user:server.com`.
The following JSON body parameter must be provided:
- `rooms` - A list of rooms to redact the user's events in. If an empty list is provided all events in all rooms
the user is a member of will be redacted
_Added in Synapse 1.116.0._
The following JSON body parameters are optional:
- `reason` - Reason the redaction is being requested, ie "spam", "abuse", etc. This will be included in each redaction event, and be visible to users.
- `limit` - a limit on the number of the user's events to search for ones that can be redacted (events are redacted newest to oldest) in each room, defaults to 1000 if not provided
## Check the status of a redaction process
It is possible to query the status of the background task for redacting a user's events.
The status can be queried up to 24 hours after completion of the task,
or until Synapse is restarted (whichever happens first).
The API is:
```
GET /_synapse/admin/v1/user/redact_status/$redact_id
```
A response body like the following is returned:
```
{
"status": "active",
"failed_redactions": [],
}
```
**Parameters**
The following parameters should be set in the URL:
* `redact_id` - string - The ID for this redaction process, provided when the redaction was requested.
**Response**
The following fields are returned in the JSON response body:
- `status` - string - one of scheduled/active/completed/failed, indicating the status of the redaction job
- `failed_redactions` - dictionary - the keys of the dict are event ids the process was unable to redact, if any, and the values are
the corresponding error that caused the redaction to fail
@@ -210,7 +208,7 @@ When following this route please make sure that the [Platform-specific prerequis
System requirements:
- POSIX-compliant system (tested on Linux & OS X)
- Python 3.8 or later, up to Python 3.11.
- Python 3.9 or later, up to Python 3.13.
- At least 1GB of free RAM if you want to join large public rooms like #matrix:matrix.org
If building on an uncommon architecture for which pre-built wheels are
@@ -316,7 +314,7 @@ sudo dnf group install "Development Tools"
*Note: The term "RHEL" below refers to both Red Hat Enterprise Linux and Rocky Linux. The distributions are 1:1 binary compatible.*
It's recommended to use the latest Python versions.
It's recommended to use the latest Python versions.
RHEL 8 in particular ships with Python 3.6 by default which is EOL and therefore no longer supported by Synapse. RHEL 9 ship with Python 3.9 which is still supported by the Python core team as of this writing. However, newer Python versions provide significant performance improvements and they're available in official distributions' repositories. Therefore it's recommended to use them.
*Note*: You may need to set `PYTHONMALLOC=malloc` to ensure that `jemalloc` can accurately calculate memory usage. By default, Python uses its internal small-object allocator, which may interfere with jemalloc's ability to track memory consumption correctly. This could prevent the [cache_autotuning](../configuration/config_documentation.md#caches-and-associated-values) feature from functioning as expected, as the Python allocator may not reach the memory threshold set by `max_cache_memory_usage`, thus not triggering the cache eviction process.
This made a significant difference on Python 2.7 - it's unclear how
Defaults to no duration (`null`), which disallows sending delayed events.
Example configuration:
```yaml
max_event_delay_duration: 24h
```
## Homeserver blocking
Useful options for Synapse admins.
@@ -1420,7 +1434,7 @@ number of entries that can be stored.
Please see the [Config Conventions](#config-conventions) for information on how to specify memory size and cache expiry
durations.
* `max_cache_memory_usage` sets a ceiling on how much memory the cache can use before caches begin to be continuously evicted.
They will continue to be evicted until the memory usage drops below the `target_memory_usage`, set in
They will continue to be evicted until the memory usage drops below the `target_cache_memory_usage`, set in
the setting below, or until the `min_cache_ttl` is hit. There is no default value for this option.
* `target_cache_memory_usage` sets a rough target for the desired memory usage of the caches. There is no default value
for this option.
@@ -1765,7 +1779,7 @@ rc_3pid_validation:
This option sets ratelimiting how often invites can be sent in a room or to a
specific user. `per_room` defaults to `per_second: 0.3`, `burst_count: 10`,
`per_user` defaults to `per_second: 0.003`, `burst_count: 5`, and `per_issuer`
`per_user` defaults to `per_second: 0.003`, `burst_count: 5`, and `per_issuer`
defaults to `per_second: 0.3`, `burst_count: 10`.
Client requests that invite user(s) when [creating a
@@ -1873,12 +1887,33 @@ Config options related to Synapse's media store.
When set to true, all subsequent media uploads will be marked as authenticated, and will not be available over legacy
unauthenticated media endpoints (`/_matrix/media/(r0|v3|v1)/download` and `/_matrix/media/(r0|v3|v1)/thumbnail`) - requests for authenticated media over these endpoints will result in a 404. All media, including authenticated media, will be available over the authenticated media endpoints `_matrix/client/v1/media/download` and `_matrix/client/v1/media/thumbnail`. Media uploaded prior to setting this option to true will still be available over the legacy endpoints. Note if the setting is switched to false
after enabling, media marked as authenticated will be available over legacy endpoints. Defaults to false, but
this will change to true in a future Synapse release.
after enabling, media marked as authenticated will be available over legacy endpoints. Defaults to true (previously false). In a future release of Synapse, this option will be removed and become always-on.
In all cases, authenticated requests to download media will succeed, but for unauthenticated requests, this
case-by-case breakdown describes whether media downloads are permitted:
* `enable_authenticated_media = False`:
* unauthenticated client or homeserver requesting local media: allowed
* unauthenticated client or homeserver requesting remote media: allowed as long as the media is in the cache,
or as long as the remote homeserver does not require authentication to retrieve the media
* `enable_authenticated_media = True`:
* unauthenticated client or homeserver requesting local media:
allowed if the media was stored on the server whilst `enable_authenticated_media` was `False` (or in a previous Synapse version where this option did not exist);
otherwise denied.
* unauthenticated client or homeserver requesting remote media: the same as for local media;
allowed if the media was stored on the server whilst `enable_authenticated_media` was `False` (or in a previous Synapse version where this option did not exist);
otherwise denied.
It is especially notable that media downloaded before this option existed (in older Synapse versions), or whilst this option was set to `False`,
will perpetually be available over the legacy, unauthenticated endpoint, even after this option is set to `True`.
This is for backwards compatibility with older clients and homeservers that do not yet support requesting authenticated media;
those older clients or homeservers will not be cut off from media they can already see.
_Changed in Synapse 1.120:_ This option now defaults to `True` when not set, whereas before this version it defaulted to `False`.
Example configuration:
```yaml
enable_authenticated_media: true
enable_authenticated_media: false
```
---
### `enable_media_repo`
@@ -1966,7 +2001,7 @@ max_image_pixels: 35M
---
### `remote_media_download_burst_count`
Remote media downloads are ratelimited using a [leaky bucket algorithm](https://en.wikipedia.org/wiki/Leaky_bucket), where a given "bucket" is keyed to the IP address of the requester when requesting remote media downloads. This configuration option sets the size of the bucket against which the size in bytes of downloads are penalized - if the bucket is full, ie a given number of bytes have already been downloaded, further downloads will be denied until the bucket drains. Defaults to 500MiB. See also `remote_media_download_per_second` which determines the rate at which the "bucket" is emptied and thus has available space to authorize new requests.
Remote media downloads are ratelimited using a [leaky bucket algorithm](https://en.wikipedia.org/wiki/Leaky_bucket), where a given "bucket" is keyed to the IP address of the requester when requesting remote media downloads. This configuration option sets the size of the bucket against which the size in bytes of downloads are penalized - if the bucket is full, ie a given number of bytes have already been downloaded, further downloads will be denied until the bucket drains. Defaults to 500MiB. See also `remote_media_download_per_second` which determines the rate at which the "bucket" is emptied and thus has available space to authorize new requests.
Example configuration:
```yaml
@@ -2314,6 +2349,22 @@ Example configuration:
```yaml
turn_shared_secret: "YOUR_SHARED_SECRET"
```
---
### `turn_shared_secret_path`
An alternative to [`turn_shared_secret`](#turn_shared_secret):
allows the shared secret to be specified in an external file.
The file should be a plain text file, containing only the shared secret.
Synapse reads the shared secret from the given file once at startup.
Example configuration:
```yaml
turn_shared_secret_path: /path/to/secrets/file
```
_Added in Synapse 1.116.0._
---
### `turn_username` and `turn_password`
@@ -3078,6 +3129,15 @@ it was last used.
It is possible to build an entry from an old `signing.key` file using the
`export_signing_key` script which is provided with synapse.
If you have lost the private key file, you can ask another server you trust to
tell you the public keys it has seen from your server. To fetch the keys from
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