diff --git a/changelog.d/12978.misc b/changelog.d/12978.misc
deleted file mode 100644
index 050c9047fc..0000000000
--- a/changelog.d/12978.misc
+++ /dev/null
@@ -1 +0,0 @@
-Extend the release script to automatically push a new SyTest branch, rather than having that be a manual process.
\ No newline at end of file
diff --git a/changelog.d/13160.misc b/changelog.d/13160.misc
deleted file mode 100644
index 36ff50c2a6..0000000000
--- a/changelog.d/13160.misc
+++ /dev/null
@@ -1 +0,0 @@
-Make minor clarifications to the error messages given when we fail to join a room via any server.
\ No newline at end of file
diff --git a/changelog.d/13213.misc b/changelog.d/13213.misc
deleted file mode 100644
index b50d26ac0c..0000000000
--- a/changelog.d/13213.misc
+++ /dev/null
@@ -1 +0,0 @@
-Enable Complement CI tests in the 'latest deps' test run.
\ No newline at end of file
diff --git a/changelog.d/13221.doc b/changelog.d/13221.doc
deleted file mode 100644
index dd2b3d8972..0000000000
--- a/changelog.d/13221.doc
+++ /dev/null
@@ -1 +0,0 @@
-Document which HTTP resources support gzip compression.
diff --git a/changelog.d/13230.doc b/changelog.d/13230.doc
deleted file mode 100644
index dce7be2425..0000000000
--- a/changelog.d/13230.doc
+++ /dev/null
@@ -1 +0,0 @@
-Add steps describing how to elevate an existing user to administrator by manipulating the database.
diff --git a/changelog.d/13343.feature b/changelog.d/13343.feature
deleted file mode 100644
index c151251e54..0000000000
--- a/changelog.d/13343.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add new unstable error codes `ORG.MATRIX.MSC3848.ALREADY_JOINED`, `ORG.MATRIX.MSC3848.NOT_JOINED`, and `ORG.MATRIX.MSC3848.INSUFFICIENT_POWER` described in MSC3848.
\ No newline at end of file
diff --git a/changelog.d/13346.misc b/changelog.d/13346.misc
deleted file mode 100644
index 06557c8481..0000000000
--- a/changelog.d/13346.misc
+++ /dev/null
@@ -1 +0,0 @@
-Fix long-standing bugged logic which was never hit in `get_pdu` asking every remote destination even after it finds an event.
diff --git a/changelog.d/13353.bugfix b/changelog.d/13353.bugfix
deleted file mode 100644
index 8e18bfae1f..0000000000
--- a/changelog.d/13353.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a bug in the experimental faster-room-joins support which could cause it to get stuck in an infinite loop.
diff --git a/changelog.d/13355.misc b/changelog.d/13355.misc
deleted file mode 100644
index 7715075885..0000000000
--- a/changelog.d/13355.misc
+++ /dev/null
@@ -1 +0,0 @@
-Faster room joins: avoid blocking when pulling events with partially missing prev events.
diff --git a/changelog.d/13365.bugfix b/changelog.d/13365.bugfix
deleted file mode 100644
index b915c3158c..0000000000
--- a/changelog.d/13365.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a bug introduced in Synapse v1.41.0 where the `/hierarchy` API returned non-standard information (a `room_id` field under each entry in `children_state`).
diff --git a/changelog.d/13370.feature b/changelog.d/13370.feature
deleted file mode 100644
index 3a49bc2778..0000000000
--- a/changelog.d/13370.feature
+++ /dev/null
@@ -1 +0,0 @@
-Use stable prefixes for [MSC3827](https://github.com/matrix-org/matrix-spec-proposals/pull/3827).
diff --git a/changelog.d/13372.docker b/changelog.d/13372.docker
deleted file mode 100644
index 238c78de09..0000000000
--- a/changelog.d/13372.docker
+++ /dev/null
@@ -1 +0,0 @@
-Make docker images build on armv7 by installing cryptography dependencies in the "requirements" stage. Contributed by Jasper Spaans.
\ No newline at end of file
diff --git a/changelog.d/13374.bugfix b/changelog.d/13374.bugfix
deleted file mode 100644
index 1c5bd1b363..0000000000
--- a/changelog.d/13374.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a bug introduced in Synapse 0.24.0 that would respond with the wrong error status code to `/joined_members` requests when the requester is not a current member of the room. Contributed by @andrewdoh.
\ No newline at end of file
diff --git a/changelog.d/13383.misc b/changelog.d/13383.misc
deleted file mode 100644
index 2236eced24..0000000000
--- a/changelog.d/13383.misc
+++ /dev/null
@@ -1 +0,0 @@
-Remove an unused argument to `get_relations_for_event`.
diff --git a/changelog.d/13392.bugfix b/changelog.d/13392.bugfix
deleted file mode 100644
index 7d83c77550..0000000000
--- a/changelog.d/13392.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix bug in handling of typing events for appservices. Contributed by Nick @ Beeper (@fizzadar).
diff --git a/changelog.d/13393.misc b/changelog.d/13393.misc
deleted file mode 100644
index be2b0153ea..0000000000
--- a/changelog.d/13393.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add a `merge-back` command to the release script, which automates merging the correct branches after a release.
\ No newline at end of file
diff --git a/changelog.d/13397.misc b/changelog.d/13397.misc
deleted file mode 100644
index 8dc610d9e2..0000000000
--- a/changelog.d/13397.misc
+++ /dev/null
@@ -1 +0,0 @@
-Adding missing type hints to tests.
diff --git a/changelog.d/13403.misc b/changelog.d/13403.misc
deleted file mode 100644
index cb7b38153c..0000000000
--- a/changelog.d/13403.misc
+++ /dev/null
@@ -1 +0,0 @@
-Faster Room Joins: don't leave a stuck room partial state flag if the join fails.
diff --git a/changelog.d/13404.misc b/changelog.d/13404.misc
deleted file mode 100644
index 655be4061b..0000000000
--- a/changelog.d/13404.misc
+++ /dev/null
@@ -1 +0,0 @@
-Refactor `_resolve_state_at_missing_prevs` to compute an `EventContext` instead.
diff --git a/changelog.d/13413.bugfix b/changelog.d/13413.bugfix
deleted file mode 100644
index a0ce884274..0000000000
--- a/changelog.d/13413.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Faster room joins: fix a bug which caused rejected events to become un-rejected during state syncing.
\ No newline at end of file
diff --git a/changelog.d/13420.misc b/changelog.d/13420.misc
deleted file mode 100644
index ff1a68e2e8..0000000000
--- a/changelog.d/13420.misc
+++ /dev/null
@@ -1 +0,0 @@
-Re-enable running Complement tests against Synapse with workers.
\ No newline at end of file
diff --git a/changelog.d/13428.feature b/changelog.d/13428.feature
deleted file mode 100644
index 085b61483f..0000000000
--- a/changelog.d/13428.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add a module API method to translate a room alias into a room ID.
diff --git a/changelog.d/13431.misc b/changelog.d/13431.misc
deleted file mode 100644
index 655be4061b..0000000000
--- a/changelog.d/13431.misc
+++ /dev/null
@@ -1 +0,0 @@
-Refactor `_resolve_state_at_missing_prevs` to compute an `EventContext` instead.
diff --git a/changelog.d/13432.bugfix b/changelog.d/13432.bugfix
deleted file mode 100644
index bb99616afc..0000000000
--- a/changelog.d/13432.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Faster room joins: Fix error when running out of servers to sync partial state with, so that Synapse raises the intended error instead.
diff --git a/changelog.d/13437.doc b/changelog.d/13437.doc
deleted file mode 100644
index fb772b24dc..0000000000
--- a/changelog.d/13437.doc
+++ /dev/null
@@ -1 +0,0 @@
-Fix wrong headline for `url_preview_accept_language` in documentation.
diff --git a/changelog.d/13438.doc b/changelog.d/13438.doc
deleted file mode 100644
index 163b63ffc6..0000000000
--- a/changelog.d/13438.doc
+++ /dev/null
@@ -1 +0,0 @@
-Remove redundant 'Contents' section from the Configuration Manual. Contributed by @dklimpel.
diff --git a/changelog.d/13442.misc b/changelog.d/13442.misc
deleted file mode 100644
index f503bc79d3..0000000000
--- a/changelog.d/13442.misc
+++ /dev/null
@@ -1 +0,0 @@
-Rename class `RateLimitConfig` to `RatelimitSettings` and `FederationRateLimitConfig` to `FederationRatelimitSettings`.
\ No newline at end of file
diff --git a/changelog.d/13443.doc b/changelog.d/13443.doc
deleted file mode 100644
index 0db5d1b3b4..0000000000
--- a/changelog.d/13443.doc
+++ /dev/null
@@ -1 +0,0 @@
-Update documentation for config setting `macaroon_secret_key`.
\ No newline at end of file
diff --git a/changelog.d/13917.feature b/changelog.d/13917.feature
new file mode 100644
index 0000000000..4eb942ab38
--- /dev/null
+++ b/changelog.d/13917.feature
@@ -0,0 +1 @@
+Adds support for handling avatar in SSO login. Contributed by @ashfame.
diff --git a/changelog.d/14055.misc b/changelog.d/14055.misc
new file mode 100644
index 0000000000..02980bc528
--- /dev/null
+++ b/changelog.d/14055.misc
@@ -0,0 +1 @@
+Add missing type hints to `HomeServer`.
diff --git a/changelog.d/14149.bugfix b/changelog.d/14149.bugfix
new file mode 100644
index 0000000000..b31c658266
--- /dev/null
+++ b/changelog.d/14149.bugfix
@@ -0,0 +1 @@
+Fix #12383: paginate room messages from the start if no from is given. Contributed by @gnunicorn .
\ No newline at end of file
diff --git a/changelog.d/14376.misc b/changelog.d/14376.misc
new file mode 100644
index 0000000000..2ca326fea6
--- /dev/null
+++ b/changelog.d/14376.misc
@@ -0,0 +1 @@
+Remove old stream ID tracking code. Contributed by Nick @Beeper (@fizzadar).
diff --git a/changelog.d/14393.bugfix b/changelog.d/14393.bugfix
new file mode 100644
index 0000000000..97177bc62f
--- /dev/null
+++ b/changelog.d/14393.bugfix
@@ -0,0 +1 @@
+Fix a bug introduced in 1.58.0 where a user with presence state 'org.matrix.msc3026.busy' would mistakenly be set to 'online' when calling `/sync` or `/events` on a worker process.
\ No newline at end of file
diff --git a/changelog.d/14400.misc b/changelog.d/14400.misc
new file mode 100644
index 0000000000..6e025329c4
--- /dev/null
+++ b/changelog.d/14400.misc
@@ -0,0 +1 @@
+Remove the `worker_main_http_uri` configuration setting. This is now handled via internal replication.
diff --git a/changelog.d/14403.misc b/changelog.d/14403.misc
new file mode 100644
index 0000000000..ff28a2712a
--- /dev/null
+++ b/changelog.d/14403.misc
@@ -0,0 +1 @@
+Faster joins: do not wait for full state when creating events to send.
diff --git a/changelog.d/14404.misc b/changelog.d/14404.misc
new file mode 100644
index 0000000000..b9ab525f2b
--- /dev/null
+++ b/changelog.d/14404.misc
@@ -0,0 +1 @@
+Faster joins: filter out non local events when a room doesn't have its full state.
diff --git a/changelog.d/14408.misc b/changelog.d/14408.misc
new file mode 100644
index 0000000000..2c77d97591
--- /dev/null
+++ b/changelog.d/14408.misc
@@ -0,0 +1 @@
+Faster joins: send events to initial list of servers if we don't have the full state yet.
diff --git a/changelog.d/14412.misc b/changelog.d/14412.misc
new file mode 100644
index 0000000000..4da061d461
--- /dev/null
+++ b/changelog.d/14412.misc
@@ -0,0 +1 @@
+Remove duplicated type information from type hints.
diff --git a/changelog.d/14449.misc b/changelog.d/14449.misc
new file mode 100644
index 0000000000..320c0b6fae
--- /dev/null
+++ b/changelog.d/14449.misc
@@ -0,0 +1 @@
+Fix type logic in TCP replication code that prevented correctly ignoring blank commands.
\ No newline at end of file
diff --git a/changelog.d/14452.misc b/changelog.d/14452.misc
new file mode 100644
index 0000000000..cb190c0823
--- /dev/null
+++ b/changelog.d/14452.misc
@@ -0,0 +1 @@
+Enable mypy's [`strict_equality` check](https://mypy.readthedocs.io/en/stable/command_line.html#cmdoption-mypy-strict-equality) by default.
\ No newline at end of file
diff --git a/changelog.d/14468.misc b/changelog.d/14468.misc
new file mode 100644
index 0000000000..2ca326fea6
--- /dev/null
+++ b/changelog.d/14468.misc
@@ -0,0 +1 @@
+Remove old stream ID tracking code. Contributed by Nick @Beeper (@fizzadar).
diff --git a/changelog.d/14476.misc b/changelog.d/14476.misc
new file mode 100644
index 0000000000..6e025329c4
--- /dev/null
+++ b/changelog.d/14476.misc
@@ -0,0 +1 @@
+Remove the `worker_main_http_uri` configuration setting. This is now handled via internal replication.
diff --git a/changelog.d/14479.misc b/changelog.d/14479.misc
new file mode 100644
index 0000000000..08edd2f929
--- /dev/null
+++ b/changelog.d/14479.misc
@@ -0,0 +1 @@
+`scripts-dev/federation_client`: Fix routing on servers with `.well-known` files.
\ No newline at end of file
diff --git a/changelog.d/14487.misc b/changelog.d/14487.misc
new file mode 100644
index 0000000000..f6b47a1d8e
--- /dev/null
+++ b/changelog.d/14487.misc
@@ -0,0 +1 @@
+Reduce default third party invite rate limit to 216 invites per day.
diff --git a/changelog.d/14490.misc b/changelog.d/14490.misc
new file mode 100644
index 0000000000..c0a4daa885
--- /dev/null
+++ b/changelog.d/14490.misc
@@ -0,0 +1 @@
+Fix a bug introduced in Synapse 0.9 where it would fail to fetch server keys whose IDs contain a forward slash.
diff --git a/changelog.d/14491.feature b/changelog.d/14491.feature
new file mode 100644
index 0000000000..4fca7282f7
--- /dev/null
+++ b/changelog.d/14491.feature
@@ -0,0 +1 @@
+Reduce database load of [Client-Server endpoints](https://spec.matrix.org/v1.4/client-server-api/#aggregations) which return bundled aggregations.
diff --git a/changelog.d/14496.misc b/changelog.d/14496.misc
new file mode 100644
index 0000000000..57fc6cf452
--- /dev/null
+++ b/changelog.d/14496.misc
@@ -0,0 +1 @@
+Refactor `federation_sender` and `pusher` configuration loading.
diff --git a/changelog.d/14499.doc b/changelog.d/14499.doc
new file mode 100644
index 0000000000..34ea57ef43
--- /dev/null
+++ b/changelog.d/14499.doc
@@ -0,0 +1 @@
+Fixed link to 'Synapse administration endpoints'.
diff --git a/changelog.d/14500.misc b/changelog.d/14500.misc
new file mode 100644
index 0000000000..c5d70a70f7
--- /dev/null
+++ b/changelog.d/14500.misc
@@ -0,0 +1 @@
+Bump pygithub from 1.56 to 1.57.
diff --git a/changelog.d/14501.misc b/changelog.d/14501.misc
new file mode 100644
index 0000000000..3c240d38b5
--- /dev/null
+++ b/changelog.d/14501.misc
@@ -0,0 +1 @@
+Bump sentry-sdk from 1.10.1 to 1.11.0.
diff --git a/changelog.d/14502.misc b/changelog.d/14502.misc
new file mode 100644
index 0000000000..86a19900f1
--- /dev/null
+++ b/changelog.d/14502.misc
@@ -0,0 +1 @@
+Bump types-pillow from 9.2.2.1 to 9.3.0.1.
diff --git a/changelog.d/14503.misc b/changelog.d/14503.misc
new file mode 100644
index 0000000000..e627d35cde
--- /dev/null
+++ b/changelog.d/14503.misc
@@ -0,0 +1 @@
+Bump towncrier from 21.9.0 to 22.8.0.
diff --git a/changelog.d/14504.misc b/changelog.d/14504.misc
new file mode 100644
index 0000000000..e228ee46a5
--- /dev/null
+++ b/changelog.d/14504.misc
@@ -0,0 +1 @@
+Bump phonenumbers from 8.12.56 to 8.13.0.
diff --git a/changelog.d/14505.misc b/changelog.d/14505.misc
new file mode 100644
index 0000000000..45d97ec461
--- /dev/null
+++ b/changelog.d/14505.misc
@@ -0,0 +1 @@
+Bump serde_json from 1.0.87 to 1.0.88.
diff --git a/changelog.d/14508.feature b/changelog.d/14508.feature
new file mode 100644
index 0000000000..4fca7282f7
--- /dev/null
+++ b/changelog.d/14508.feature
@@ -0,0 +1 @@
+Reduce database load of [Client-Server endpoints](https://spec.matrix.org/v1.4/client-server-api/#aggregations) which return bundled aggregations.
diff --git a/changelog.d/14510.feature b/changelog.d/14510.feature
new file mode 100644
index 0000000000..4fca7282f7
--- /dev/null
+++ b/changelog.d/14510.feature
@@ -0,0 +1 @@
+Reduce database load of [Client-Server endpoints](https://spec.matrix.org/v1.4/client-server-api/#aggregations) which return bundled aggregations.
diff --git a/changelog.d/14515.misc b/changelog.d/14515.misc
new file mode 100644
index 0000000000..a0effb4dbe
--- /dev/null
+++ b/changelog.d/14515.misc
@@ -0,0 +1 @@
+Faster joins: use servers list approximation received during `send_join` (potentially updated with received membership events) in `assert_host_in_room`.
\ No newline at end of file
diff --git a/changelog.d/14516.misc b/changelog.d/14516.misc
new file mode 100644
index 0000000000..51666c6ffc
--- /dev/null
+++ b/changelog.d/14516.misc
@@ -0,0 +1 @@
+Refactor conversion of device list changes in room to outbound pokes to track unconverted rows using a `(stream ID, room ID)` position instead of updating the `converted_to_destinations` flag on every row.
diff --git a/changelog.d/14522.misc b/changelog.d/14522.misc
new file mode 100644
index 0000000000..512bc32567
--- /dev/null
+++ b/changelog.d/14522.misc
@@ -0,0 +1 @@
+Add more prompts to the bug report form.
diff --git a/changelog.d/14526.misc b/changelog.d/14526.misc
new file mode 100644
index 0000000000..84d4ada31b
--- /dev/null
+++ b/changelog.d/14526.misc
@@ -0,0 +1 @@
+Extend editorconfig rules on indent and line length to `.pyi` files.
diff --git a/changelog.d/14527.misc b/changelog.d/14527.misc
new file mode 100644
index 0000000000..3c4c7bf07d
--- /dev/null
+++ b/changelog.d/14527.misc
@@ -0,0 +1 @@
+Speed-up `/messages` with `filter_events_for_client` optimizations.
diff --git a/changelog.d/14529.misc b/changelog.d/14529.misc
new file mode 100644
index 0000000000..d44571b731
--- /dev/null
+++ b/changelog.d/14529.misc
@@ -0,0 +1 @@
+Add missing type hints.
diff --git a/changelog.d/14534.misc b/changelog.d/14534.misc
new file mode 100644
index 0000000000..5fe79042e5
--- /dev/null
+++ b/changelog.d/14534.misc
@@ -0,0 +1 @@
+Improve DB performance by reducing amount of data that gets read in `device_lists_changes_in_room`.
diff --git a/changelog.d/14537.bugfix b/changelog.d/14537.bugfix
new file mode 100644
index 0000000000..d7ce78d032
--- /dev/null
+++ b/changelog.d/14537.bugfix
@@ -0,0 +1 @@
+Fix a long-standing bug where the [List media admin API](https://matrix-org.github.io/synapse/latest/admin_api/media_admin_api.html#list-all-media-in-a-room) would fail when processing an image with broken thumbnail information.
\ No newline at end of file
diff --git a/changelog.d/14538.removal b/changelog.d/14538.removal
new file mode 100644
index 0000000000..d2035ce82a
--- /dev/null
+++ b/changelog.d/14538.removal
@@ -0,0 +1 @@
+Remove legacy Prometheus metrics names. They were deprecated in Synapse v1.69.0 and disabled by default in Synapse v1.71.0.
\ No newline at end of file
diff --git a/changelog.d/14557.misc b/changelog.d/14557.misc
new file mode 100644
index 0000000000..379cd2378c
--- /dev/null
+++ b/changelog.d/14557.misc
@@ -0,0 +1 @@
+Bump dtolnay/rust-toolchain from 55c7845fad90d0ae8b2e83715cb900e5e861e8cb to e645b0cf01249a964ec099494d38d2da0f0b349f.
diff --git a/changelog.d/14571.misc b/changelog.d/14571.misc
new file mode 100644
index 0000000000..212990cb10
--- /dev/null
+++ b/changelog.d/14571.misc
@@ -0,0 +1 @@
+Run Rust CI when `Cargo.lock` changes. This is particularly useful for dependabot updates.
|
