diff --git a/CHANGES.md b/CHANGES.md
index a40aa26d78..cbd8f1062e 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,56 @@
+# Synapse 1.111.0rc1 (2024-07-09)
+
+### Features
+
+- Add `rooms` data to experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint. ([\#17320](https://github.com/element-hq/synapse/issues/17320))
+- Add `room_types`/`not_room_types` filtering to experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint. ([\#17337](https://github.com/element-hq/synapse/issues/17337))
+- Return "required state" in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint. ([\#17342](https://github.com/element-hq/synapse/issues/17342))
+- Support [MSC3916](https://github.com/matrix-org/matrix-spec-proposals/blob/main/proposals/3916-authentication-for-media.md) by adding [`_matrix/client/v1/media/download`](https://spec.matrix.org/v1.11/client-server-api/#get_matrixclientv1mediadownloadservernamemediaid) endpoint. ([\#17365](https://github.com/element-hq/synapse/issues/17365))
+- Support [MSC3916](https://github.com/matrix-org/matrix-spec-proposals/blob/rav/authentication-for-media/proposals/3916-authentication-for-media.md)
+  by adding [`_matrix/client/v1/media/thumbnail`](https://spec.matrix.org/v1.11/client-server-api/#get_matrixclientv1mediathumbnailservernamemediaid), [`_matrix/federation/v1/media/thumbnail`](https://spec.matrix.org/v1.11/server-server-api/#get_matrixfederationv1mediathumbnailmediaid) endpoints and stabilizing the
+  remaining [`_matrix/client/v1/media`](https://spec.matrix.org/v1.11/client-server-api/#get_matrixclientv1mediaconfig) endpoints. ([\#17388](https://github.com/element-hq/synapse/issues/17388))
+- Add `rooms.bump_stamp` for easier client-side sorting in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint. ([\#17395](https://github.com/element-hq/synapse/issues/17395))
+- Forget all of a user's rooms upon deactivation, preventing local room purges from being blocked on deactivated users. ([\#17400](https://github.com/element-hq/synapse/issues/17400))
+- Declare support for [Matrix 1.11](https://matrix.org/blog/2024/06/20/matrix-v1.11-release/). ([\#17403](https://github.com/element-hq/synapse/issues/17403))
+- [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861): allow overriding the introspection endpoint. ([\#17406](https://github.com/element-hq/synapse/issues/17406))
+
+### Bugfixes
+
+- Fix rare race which caused no new to-device messages to be received from remote server. ([\#17362](https://github.com/element-hq/synapse/issues/17362))
+- Fix bug in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint when using an old database. ([\#17398](https://github.com/element-hq/synapse/issues/17398))
+
+### Improved Documentation
+
+- Clarify that `url_preview_url_blacklist` is a usability feature. ([\#17356](https://github.com/element-hq/synapse/issues/17356))
+- Fix broken links in README. ([\#17379](https://github.com/element-hq/synapse/issues/17379))
+- Clarify that changelog content *and file extension* need to match in order for entries to merge. ([\#17399](https://github.com/element-hq/synapse/issues/17399))
+
+### Internal Changes
+
+- Make the release script create a release branch for Complement as well. ([\#17318](https://github.com/element-hq/synapse/issues/17318))
+- Fix uploading packages to PyPi. ([\#17363](https://github.com/element-hq/synapse/issues/17363))
+- Add CI check for the README. ([\#17367](https://github.com/element-hq/synapse/issues/17367))
+- Fix linting errors from new `ruff` version. ([\#17381](https://github.com/element-hq/synapse/issues/17381), [\#17411](https://github.com/element-hq/synapse/issues/17411))
+- Fix building debian packages on non-clean checkouts. ([\#17390](https://github.com/element-hq/synapse/issues/17390))
+- Finish up work to allow per-user feature flags. ([\#17392](https://github.com/element-hq/synapse/issues/17392), [\#17410](https://github.com/element-hq/synapse/issues/17410))
+- Allow enabling sliding sync per-user. ([\#17393](https://github.com/element-hq/synapse/issues/17393))
+
+
+
+### Updates to locked dependencies
+
+* Bump certifi from 2023.7.22 to 2024.7.4. ([\#17404](https://github.com/element-hq/synapse/issues/17404))
+* Bump cryptography from 42.0.7 to 42.0.8. ([\#17382](https://github.com/element-hq/synapse/issues/17382))
+* Bump ijson from 3.2.3 to 3.3.0. ([\#17413](https://github.com/element-hq/synapse/issues/17413))
+* Bump log from 0.4.21 to 0.4.22. ([\#17384](https://github.com/element-hq/synapse/issues/17384))
+* Bump mypy-zope from 1.0.4 to 1.0.5. ([\#17414](https://github.com/element-hq/synapse/issues/17414))
+* Bump pillow from 10.3.0 to 10.4.0. ([\#17412](https://github.com/element-hq/synapse/issues/17412))
+* Bump pydantic from 2.7.1 to 2.8.2. ([\#17415](https://github.com/element-hq/synapse/issues/17415))
+* Bump ruff from 0.3.7 to 0.5.0. ([\#17381](https://github.com/element-hq/synapse/issues/17381))
+* Bump serde from 1.0.203 to 1.0.204. ([\#17409](https://github.com/element-hq/synapse/issues/17409))
+* Bump serde_json from 1.0.117 to 1.0.120. ([\#17385](https://github.com/element-hq/synapse/issues/17385), [\#17408](https://github.com/element-hq/synapse/issues/17408))
+* Bump types-setuptools from 69.5.0.20240423 to 70.1.0.20240627. ([\#17380](https://github.com/element-hq/synapse/issues/17380))
+
 # Synapse 1.110.0 (2024-07-03)
 
 No significant changes since 1.110.0rc3.
diff --git a/changelog.d/17318.misc b/changelog.d/17318.misc
deleted file mode 100644
index b0b21da23b..0000000000
--- a/changelog.d/17318.misc
+++ /dev/null
@@ -1 +0,0 @@
-Make the release script create a release branch for Complement as well.
diff --git a/changelog.d/17320.feature b/changelog.d/17320.feature
deleted file mode 100644
index 1e524f3eca..0000000000
--- a/changelog.d/17320.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add `rooms` data to experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint.
diff --git a/changelog.d/17337.feature b/changelog.d/17337.feature
deleted file mode 100644
index bc8f437dbe..0000000000
--- a/changelog.d/17337.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add `room_types`/`not_room_types` filtering to experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint.
diff --git a/changelog.d/17342.feature b/changelog.d/17342.feature
deleted file mode 100644
index b2671ea14a..0000000000
--- a/changelog.d/17342.feature
+++ /dev/null
@@ -1 +0,0 @@
-Return "required state" in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint.
diff --git a/changelog.d/17356.doc b/changelog.d/17356.doc
deleted file mode 100644
index b393d8d147..0000000000
--- a/changelog.d/17356.doc
+++ /dev/null
@@ -1 +0,0 @@
-Clarify `url_preview_url_blacklist` is a usability feature.
diff --git a/changelog.d/17362.bugfix b/changelog.d/17362.bugfix
deleted file mode 100644
index a91ce9fc06..0000000000
--- a/changelog.d/17362.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix rare race which causes no new to-device messages to be received from remote server.
diff --git a/changelog.d/17363.misc b/changelog.d/17363.misc
deleted file mode 100644
index 555e2225ba..0000000000
--- a/changelog.d/17363.misc
+++ /dev/null
@@ -1 +0,0 @@
-Fix uploading packages to PyPi.
\ No newline at end of file
diff --git a/changelog.d/17365.feature b/changelog.d/17365.feature
deleted file mode 100644
index 61acc32f32..0000000000
--- a/changelog.d/17365.feature
+++ /dev/null
@@ -1 +0,0 @@
-Support [MSC3916](https://github.com/matrix-org/matrix-spec-proposals/blob/main/proposals/3916-authentication-for-media.md) by adding _matrix/client/v1/media/download endpoint.
\ No newline at end of file
diff --git a/changelog.d/17367.misc b/changelog.d/17367.misc
deleted file mode 100644
index 361731b8ae..0000000000
--- a/changelog.d/17367.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add CI check for the README.
\ No newline at end of file
diff --git a/changelog.d/17379.doc b/changelog.d/17379.doc
deleted file mode 100644
index 08c2544426..0000000000
--- a/changelog.d/17379.doc
+++ /dev/null
@@ -1 +0,0 @@
-Fix broken links in README.
diff --git a/changelog.d/17381.misc b/changelog.d/17381.misc
deleted file mode 100644
index ca9830c136..0000000000
--- a/changelog.d/17381.misc
+++ /dev/null
@@ -1 +0,0 @@
-Fix linting errors from new `ruff` version.
diff --git a/changelog.d/17388.feature b/changelog.d/17388.feature
deleted file mode 100644
index f04f49f085..0000000000
--- a/changelog.d/17388.feature
+++ /dev/null
@@ -1,3 +0,0 @@
-Support [MSC3916](https://github.com/matrix-org/matrix-spec-proposals/blob/rav/authentication-for-media/proposals/3916-authentication-for-media.md)
-by adding `_matrix/client/v1/media/thumbnail`, `_matrix/federation/v1/media/thumbnail` endpoints and stabilizing the
-remaining `_matrix/client/v1/media` endpoints.
\ No newline at end of file
diff --git a/changelog.d/17390.misc b/changelog.d/17390.misc
deleted file mode 100644
index 6a4e344c5c..0000000000
--- a/changelog.d/17390.misc
+++ /dev/null
@@ -1 +0,0 @@
-Fix building debian packages on non-clean checkouts.
diff --git a/changelog.d/17392.misc b/changelog.d/17392.misc
deleted file mode 100644
index 76e3976e28..0000000000
--- a/changelog.d/17392.misc
+++ /dev/null
@@ -1 +0,0 @@
-Finish up work to allow per-user feature flags.
diff --git a/changelog.d/17393.misc b/changelog.d/17393.misc
deleted file mode 100644
index e131225276..0000000000
--- a/changelog.d/17393.misc
+++ /dev/null
@@ -1 +0,0 @@
-Allow enabling sliding sync per-user.
diff --git a/changelog.d/17395.feature b/changelog.d/17395.feature
deleted file mode 100644
index 0c95b9f4a9..0000000000
--- a/changelog.d/17395.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add `rooms.bump_stamp` for easier client-side sorting in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint.
diff --git a/changelog.d/17398.bugfix b/changelog.d/17398.bugfix
deleted file mode 100644
index 7931c431ef..0000000000
--- a/changelog.d/17398.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix bug in experimental [MSC3575](https://github.com/matrix-org/matrix-spec-proposals/pull/3575) Sliding Sync `/sync` endpoint when using an old database.
diff --git a/changelog.d/17399.doc b/changelog.d/17399.doc
deleted file mode 100644
index 7a3fcf24c0..0000000000
--- a/changelog.d/17399.doc
+++ /dev/null
@@ -1 +0,0 @@
-Clarify that changelog content *and file extension* need to match in order for entries to merge.
diff --git a/changelog.d/17400.feature b/changelog.d/17400.feature
deleted file mode 100644
index 4dca90890c..0000000000
--- a/changelog.d/17400.feature
+++ /dev/null
@@ -1 +0,0 @@
-Forget all of a user's rooms upon deactivation, enabling future purges.
\ No newline at end of file
diff --git a/changelog.d/17403.feature b/changelog.d/17403.feature
deleted file mode 100644
index b1868d7608..0000000000
--- a/changelog.d/17403.feature
+++ /dev/null
@@ -1 +0,0 @@
-Declare support for [Matrix 1.11](https://matrix.org/blog/2024/06/20/matrix-v1.11-release/).
\ No newline at end of file
diff --git a/changelog.d/17406.misc b/changelog.d/17406.misc
deleted file mode 100644
index 83f34cac43..0000000000
--- a/changelog.d/17406.misc
+++ /dev/null
@@ -1 +0,0 @@
-MSC3861: allow overriding the introspection endpoint.
diff --git a/changelog.d/17410.misc b/changelog.d/17410.misc
deleted file mode 100644
index 76e3976e28..0000000000
--- a/changelog.d/17410.misc
+++ /dev/null
@@ -1 +0,0 @@
-Finish up work to allow per-user feature flags.
diff --git a/changelog.d/17411.misc b/changelog.d/17411.misc
deleted file mode 100644
index ca9830c136..0000000000
--- a/changelog.d/17411.misc
+++ /dev/null
@@ -1 +0,0 @@
-Fix linting errors from new `ruff` version.
diff --git a/debian/changelog b/debian/changelog
index c285cc79eb..5fc9e10a29 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+matrix-synapse-py3 (1.111.0~rc1) stable; urgency=medium
+
+  * New synapse release 1.111.0rc1.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 09 Jul 2024 09:49:25 +0000
+
 matrix-synapse-py3 (1.110.0) stable; urgency=medium
 
   * New Synapse release 1.110.0.
diff --git a/pyproject.toml b/pyproject.toml
index 2d1481f263..0b1f03bb81 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -97,7 +97,7 @@ module-name = "synapse.synapse_rust"
 
 [tool.poetry]
 name = "matrix-synapse"
-version = "1.110.0"
+version = "1.111.0rc1"
 description = "Homeserver for the Matrix decentralised comms protocol"
 authors = ["Matrix.org Team and Contributors <packages@matrix.org>"]
 license = "AGPL-3.0-or-later"