Merge tag 'v1.28.0rc1' into develop

Synapse 1.28.0rc1 (2021-02-19)
==============================

Note that this release drops support for ARMv7 in the official Docker images, due to repeated problems building for ARMv7 (and the associated maintenance burden this entails).

This release also fixes the documentation included in v1.27.0 around the callback URI for SAML2 identity providers. If your server is configured to use single sign-on via a SAML2 IdP, you may need to make configuration changes. Please review [UPGRADE.rst](UPGRADE.rst) for more details on these changes.

Removal warning
---------------

The v1 list accounts API is deprecated and will be removed in a future release.
This API was undocumented and misleading. It can be replaced by the
[v2 list accounts API](https://github.com/matrix-org/synapse/blob/release-v1.28.0/docs/admin_api/user_admin_api.rst#list-accounts),
which has been available since Synapse 1.7.0 (2019-12-13).

Please check if you're using any scripts which use the admin API and replace
`GET /_synapse/admin/v1/users/<user_id>` with `GET /_synapse/admin/v2/users`.

Features
--------

- New admin API to get the context of an event: `/_synapse/admin/rooms/{roomId}/context/{eventId}`. ([\#9150](https://github.com/matrix-org/synapse/issues/9150))
- Further improvements to the user experience of registration via single sign-on. ([\#9300](https://github.com/matrix-org/synapse/issues/9300), [\#9301](https://github.com/matrix-org/synapse/issues/9301))
- Add hook to spam checker modules that allow checking file uploads and remote downloads. ([\#9311](https://github.com/matrix-org/synapse/issues/9311))
- Add support for receiving OpenID Connect authentication responses via form `POST`s rather than `GET`s. ([\#9376](https://github.com/matrix-org/synapse/issues/9376))
- Add the shadow-banning status to the admin API for user info. ([\#9400](https://github.com/matrix-org/synapse/issues/9400))

Bugfixes
--------

- Fix long-standing bug where sending email notifications would fail for rooms that the server had since left. ([\#9257](https://github.com/matrix-org/synapse/issues/9257))
- Fix bug in Synapse 1.27.0rc1 which meant the "session expired" error page during SSO registration was badly formatted. ([\#9296](https://github.com/matrix-org/synapse/issues/9296))
- Assert a maximum length for some parameters for spec compliance. ([\#9321](https://github.com/matrix-org/synapse/issues/9321), [\#9393](https://github.com/matrix-org/synapse/issues/9393))
- Fix additional errors when previewing URLs: "AttributeError 'NoneType' object has no attribute 'xpath'" and "ValueError: Unicode strings with encoding declaration are not supported. Please use bytes input or XML fragments without declaration.". ([\#9333](https://github.com/matrix-org/synapse/issues/9333))
- Fix a bug causing Synapse to impose the wrong type constraints on fields when processing responses from appservices to `/_matrix/app/v1/thirdparty/user/{protocol}`. ([\#9361](https://github.com/matrix-org/synapse/issues/9361))
- Fix bug where Synapse would occasionally stop reconnecting to Redis after the connection was lost. ([\#9391](https://github.com/matrix-org/synapse/issues/9391))
- Fix a long-standing bug when upgrading a room: "TypeError: '>' not supported between instances of 'NoneType' and 'int'". ([\#9395](https://github.com/matrix-org/synapse/issues/9395))
- Reduce the amount of memory used when generating the URL preview of a file that is larger than the `max_spider_size`. ([\#9421](https://github.com/matrix-org/synapse/issues/9421))
- Fix a long-standing bug in the deduplication of old presence, resulting in no deduplication. ([\#9425](https://github.com/matrix-org/synapse/issues/9425))
- The `ui_auth.session_timeout` config option can now be specified in terms of number of seconds/minutes/etc/. Contributed by Rishabh Arya. ([\#9426](https://github.com/matrix-org/synapse/issues/9426))
- Fix a bug introduced in v1.27.0: "TypeError: int() argument must be a string, a bytes-like object or a number, not 'NoneType." related to the user directory. ([\#9428](https://github.com/matrix-org/synapse/issues/9428))

Updates to the Docker image
---------------------------

- Drop support for ARMv7 in Docker images. ([\#9433](https://github.com/matrix-org/synapse/issues/9433))

Improved Documentation
----------------------

- Reorganize CHANGELOG.md. ([\#9281](https://github.com/matrix-org/synapse/issues/9281))
- Add note to `auto_join_rooms` config option explaining existing rooms must be publicly joinable. ([\#9291](https://github.com/matrix-org/synapse/issues/9291))
- Correct name of Synapse's service file in TURN howto. ([\#9308](https://github.com/matrix-org/synapse/issues/9308))
- Fix the braces in the `oidc_providers` section of the sample config. ([\#9317](https://github.com/matrix-org/synapse/issues/9317))
- Update installation instructions on Fedora. ([\#9322](https://github.com/matrix-org/synapse/issues/9322))
- Add HTTP/2 support to the nginx example configuration. Contributed by David Vo. ([\#9390](https://github.com/matrix-org/synapse/issues/9390))
- Update docs for using Gitea as OpenID provider. ([\#9404](https://github.com/matrix-org/synapse/issues/9404))
- Document that pusher instances are shardable. ([\#9407](https://github.com/matrix-org/synapse/issues/9407))
- Fix erroneous documentation from v1.27.0 about updating the SAML2 callback URL. ([\#9434](https://github.com/matrix-org/synapse/issues/9434))

Deprecations and Removals
-------------------------

- Deprecate old admin API `GET /_synapse/admin/v1/users/<user_id>`. ([\#9429](https://github.com/matrix-org/synapse/issues/9429))

Internal Changes
----------------

- Fix 'object name reserved for internal use' errors with recent versions of SQLite. ([\#9003](https://github.com/matrix-org/synapse/issues/9003))
- Add experimental support for running Synapse with PyPy. ([\#9123](https://github.com/matrix-org/synapse/issues/9123))
- Deny access to additional IP addresses by default. ([\#9240](https://github.com/matrix-org/synapse/issues/9240))
- Update the `Cursor` type hints to better match PEP 249. ([\#9299](https://github.com/matrix-org/synapse/issues/9299))
- Add debug logging for SRV lookups. Contributed by @Bubu. ([\#9305](https://github.com/matrix-org/synapse/issues/9305))
- Improve logging for OIDC login flow. ([\#9307](https://github.com/matrix-org/synapse/issues/9307))
- Share the code for handling required attributes between the CAS and SAML handlers. ([\#9326](https://github.com/matrix-org/synapse/issues/9326))
- Clean up the code to load the metadata for OpenID Connect identity providers. ([\#9362](https://github.com/matrix-org/synapse/issues/9362))
- Convert tests to use `HomeserverTestCase`. ([\#9377](https://github.com/matrix-org/synapse/issues/9377), [\#9396](https://github.com/matrix-org/synapse/issues/9396))
- Update the version of black used to 20.8b1. ([\#9381](https://github.com/matrix-org/synapse/issues/9381))
- Allow OIDC config to override discovered values. ([\#9384](https://github.com/matrix-org/synapse/issues/9384))
- Remove some dead code from the acceptance of room invites path. ([\#9394](https://github.com/matrix-org/synapse/issues/9394))
- Clean up an unused method in the presence handler code. ([\#9408](https://github.com/matrix-org/synapse/issues/9408))

45 files changed, 74 insertions, 47 deletions

diff --git a/CHANGES.md b/CHANGES.md
index a2aa919ebe..c216d28818 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,5 @@
-Synapse 1.xx.0 (2021-xx-xx)
-===========================
+Synapse 1.28.0rc1 (2021-02-19)
+==============================
 
 Note that this release drops support for ARMv7 in the official Docker images, due to repeated problems building for ARMv7 (and the associated maintenance burden this entails).
 
@@ -10,13 +10,83 @@ Removal warning
 
 The v1 list accounts API is deprecated and will be removed in a future release.
 This API was undocumented and misleading. It can be replaced by the
-[v2 list accounts API](https://github.com/matrix-org/synapse/blob/master/docs/admin_api/user_admin_api.rst#list-accounts),
+[v2 list accounts API](https://github.com/matrix-org/synapse/blob/release-v1.28.0/docs/admin_api/user_admin_api.rst#list-accounts),
 which has been available since Synapse 1.7.0 (2019-12-13).
 
 Please check if you're using any scripts which use the admin API and replace
 `GET /_synapse/admin/v1/users/<user_id>` with `GET /_synapse/admin/v2/users`.
 
 
+Features
+--------
+
+- New admin API to get the context of an event: `/_synapse/admin/rooms/{roomId}/context/{eventId}`. ([\#9150](https://github.com/matrix-org/synapse/issues/9150))
+- Further improvements to the user experience of registration via single sign-on. ([\#9300](https://github.com/matrix-org/synapse/issues/9300), [\#9301](https://github.com/matrix-org/synapse/issues/9301))
+- Add hook to spam checker modules that allow checking file uploads and remote downloads. ([\#9311](https://github.com/matrix-org/synapse/issues/9311))
+- Add support for receiving OpenID Connect authentication responses via form `POST`s rather than `GET`s. ([\#9376](https://github.com/matrix-org/synapse/issues/9376))
+- Add the shadow-banning status to the admin API for user info. ([\#9400](https://github.com/matrix-org/synapse/issues/9400))
+
+
+Bugfixes
+--------
+
+- Fix long-standing bug where sending email notifications would fail for rooms that the server had since left. ([\#9257](https://github.com/matrix-org/synapse/issues/9257))
+- Fix bug in Synapse 1.27.0rc1 which meant the "session expired" error page during SSO registration was badly formatted. ([\#9296](https://github.com/matrix-org/synapse/issues/9296))
+- Assert a maximum length for some parameters for spec compliance. ([\#9321](https://github.com/matrix-org/synapse/issues/9321), [\#9393](https://github.com/matrix-org/synapse/issues/9393))
+- Fix additional errors when previewing URLs: "AttributeError 'NoneType' object has no attribute 'xpath'" and "ValueError: Unicode strings with encoding declaration are not supported. Please use bytes input or XML fragments without declaration.". ([\#9333](https://github.com/matrix-org/synapse/issues/9333))
+- Fix a bug causing Synapse to impose the wrong type constraints on fields when processing responses from appservices to `/_matrix/app/v1/thirdparty/user/{protocol}`. ([\#9361](https://github.com/matrix-org/synapse/issues/9361))
+- Fix bug where Synapse would occasionally stop reconnecting to Redis after the connection was lost. ([\#9391](https://github.com/matrix-org/synapse/issues/9391))
+- Fix a long-standing bug when upgrading a room: "TypeError: '>' not supported between instances of 'NoneType' and 'int'". ([\#9395](https://github.com/matrix-org/synapse/issues/9395))
+- Reduce the amount of memory used when generating the URL preview of a file that is larger than the `max_spider_size`. ([\#9421](https://github.com/matrix-org/synapse/issues/9421))
+- Fix a long-standing bug in the deduplication of old presence, resulting in no deduplication. ([\#9425](https://github.com/matrix-org/synapse/issues/9425))
+- The `ui_auth.session_timeout` config option can now be specified in terms of number of seconds/minutes/etc/. Contributed by Rishabh Arya. ([\#9426](https://github.com/matrix-org/synapse/issues/9426))
+- Fix a bug introduced in v1.27.0: "TypeError: int() argument must be a string, a bytes-like object or a number, not 'NoneType." related to the user directory. ([\#9428](https://github.com/matrix-org/synapse/issues/9428))
+
+
+Updates to the Docker image
+---------------------------
+
+- Drop support for ARMv7 in Docker images. ([\#9433](https://github.com/matrix-org/synapse/issues/9433))
+
+
+Improved Documentation
+----------------------
+
+- Reorganize CHANGELOG.md. ([\#9281](https://github.com/matrix-org/synapse/issues/9281))
+- Add note to `auto_join_rooms` config option explaining existing rooms must be publicly joinable. ([\#9291](https://github.com/matrix-org/synapse/issues/9291))
+- Correct name of Synapse's service file in TURN howto. ([\#9308](https://github.com/matrix-org/synapse/issues/9308))
+- Fix the braces in the `oidc_providers` section of the sample config. ([\#9317](https://github.com/matrix-org/synapse/issues/9317))
+- Update installation instructions on Fedora. ([\#9322](https://github.com/matrix-org/synapse/issues/9322))
+- Add HTTP/2 support to the nginx example configuration. Contributed by David Vo. ([\#9390](https://github.com/matrix-org/synapse/issues/9390))
+- Update docs for using Gitea as OpenID provider. ([\#9404](https://github.com/matrix-org/synapse/issues/9404))
+- Document that pusher instances are shardable. ([\#9407](https://github.com/matrix-org/synapse/issues/9407))
+- Fix erroneous documentation from v1.27.0 about updating the SAML2 callback URL. ([\#9434](https://github.com/matrix-org/synapse/issues/9434))
+
+
+Deprecations and Removals
+-------------------------
+
+- Deprecate old admin API `GET /_synapse/admin/v1/users/<user_id>`. ([\#9429](https://github.com/matrix-org/synapse/issues/9429))
+
+
+Internal Changes
+----------------
+
+- Fix 'object name reserved for internal use' errors with recent versions of SQLite. ([\#9003](https://github.com/matrix-org/synapse/issues/9003))
+- Add experimental support for running Synapse with PyPy. ([\#9123](https://github.com/matrix-org/synapse/issues/9123))
+- Deny access to additional IP addresses by default. ([\#9240](https://github.com/matrix-org/synapse/issues/9240))
+- Update the `Cursor` type hints to better match PEP 249. ([\#9299](https://github.com/matrix-org/synapse/issues/9299))
+- Add debug logging for SRV lookups. Contributed by @Bubu. ([\#9305](https://github.com/matrix-org/synapse/issues/9305))
+- Improve logging for OIDC login flow. ([\#9307](https://github.com/matrix-org/synapse/issues/9307))
+- Share the code for handling required attributes between the CAS and SAML handlers. ([\#9326](https://github.com/matrix-org/synapse/issues/9326))
+- Clean up the code to load the metadata for OpenID Connect identity providers. ([\#9362](https://github.com/matrix-org/synapse/issues/9362))
+- Convert tests to use `HomeserverTestCase`. ([\#9377](https://github.com/matrix-org/synapse/issues/9377), [\#9396](https://github.com/matrix-org/synapse/issues/9396))
+- Update the version of black used to 20.8b1. ([\#9381](https://github.com/matrix-org/synapse/issues/9381))
+- Allow OIDC config to override discovered values. ([\#9384](https://github.com/matrix-org/synapse/issues/9384))
+- Remove some dead code from the acceptance of room invites path. ([\#9394](https://github.com/matrix-org/synapse/issues/9394))
+- Clean up an unused method in the presence handler code. ([\#9408](https://github.com/matrix-org/synapse/issues/9408))
+
+
 Synapse 1.27.0 (2021-02-16)
 ===========================
 
diff --git a/changelog.d/9003.misc b/changelog.d/9003.misc
deleted file mode 100644
index 557c8b2353..0000000000
--- a/changelog.d/9003.misc
+++ /dev/null
@@ -1 +0,0 @@
-Fix 'object name reserved for internal use' errors with recent versions of SQLite.
diff --git a/changelog.d/9123.misc b/changelog.d/9123.misc
deleted file mode 100644
index 329600c40c..0000000000
--- a/changelog.d/9123.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add experimental support for running Synapse with PyPy.
diff --git a/changelog.d/9150.feature b/changelog.d/9150.feature
deleted file mode 100644
index 48a8148dee..0000000000
--- a/changelog.d/9150.feature
+++ /dev/null
@@ -1 +0,0 @@
-New API /_synapse/admin/rooms/{roomId}/context/{eventId}.
diff --git a/changelog.d/9240.misc b/changelog.d/9240.misc
deleted file mode 100644
index 850201f6cd..0000000000
--- a/changelog.d/9240.misc
+++ /dev/null
@@ -1 +0,0 @@
-Deny access to additional IP addresses by default.
diff --git a/changelog.d/9257.bugfix b/changelog.d/9257.bugfix
deleted file mode 100644
index 5d0bd88dce..0000000000
--- a/changelog.d/9257.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix long-standing bug where sending email push would fail for rooms that the server had since left.
diff --git a/changelog.d/9281.doc b/changelog.d/9281.doc
deleted file mode 100644
index 4dea375f80..0000000000
--- a/changelog.d/9281.doc
+++ /dev/null
@@ -1 +0,0 @@
-Reorganizing CHANGELOG.md.
\ No newline at end of file
diff --git a/changelog.d/9291.doc b/changelog.d/9291.doc
deleted file mode 100644
index 422acd3891..0000000000
--- a/changelog.d/9291.doc
+++ /dev/null
@@ -1 +0,0 @@
-Add note to `auto_join_rooms` config option explaining existing rooms must be publicly joinable.
diff --git a/changelog.d/9296.bugfix b/changelog.d/9296.bugfix
deleted file mode 100644
index d723f8c5bd..0000000000
--- a/changelog.d/9296.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix bug in Synapse 1.27.0rc1 which meant the "session expired" error page during SSO registration was badly formatted.
diff --git a/changelog.d/9299.misc b/changelog.d/9299.misc
deleted file mode 100644
index c883a677ed..0000000000
--- a/changelog.d/9299.misc
+++ /dev/null
@@ -1 +0,0 @@
-Update the `Cursor` type hints to better match PEP 249.
diff --git a/changelog.d/9300.feature b/changelog.d/9300.feature
deleted file mode 100644
index a2d0b27da4..0000000000
--- a/changelog.d/9300.feature
+++ /dev/null
@@ -1 +0,0 @@
-Further improvements to the user experience of registration via single sign-on.
diff --git a/changelog.d/9301.feature b/changelog.d/9301.feature
deleted file mode 100644
index a2d0b27da4..0000000000
--- a/changelog.d/9301.feature
+++ /dev/null
@@ -1 +0,0 @@
-Further improvements to the user experience of registration via single sign-on.
diff --git a/changelog.d/9305.misc b/changelog.d/9305.misc
deleted file mode 100644
index 456bfbfdd7..0000000000
--- a/changelog.d/9305.misc
+++ /dev/null
@@ -1 +0,0 @@
-Add debug logging for SRV lookups. Contributed by @Bubu.
diff --git a/changelog.d/9307.misc b/changelog.d/9307.misc
deleted file mode 100644
index 2f54d1ad07..0000000000
--- a/changelog.d/9307.misc
+++ /dev/null
@@ -1 +0,0 @@
-Improve logging for OIDC login flow.
diff --git a/changelog.d/9308.doc b/changelog.d/9308.doc
deleted file mode 100644
index 847f2908af..0000000000
--- a/changelog.d/9308.doc
+++ /dev/null
@@ -1 +0,0 @@
-Correct name of Synapse's service file in TURN howto.
diff --git a/changelog.d/9311.feature b/changelog.d/9311.feature
deleted file mode 100644
index 293f2118e5..0000000000
--- a/changelog.d/9311.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add hook to spam checker modules that allow checking file uploads and remote downloads.
diff --git a/changelog.d/9317.doc b/changelog.d/9317.doc
deleted file mode 100644
index f4d508e090..0000000000
--- a/changelog.d/9317.doc
+++ /dev/null
@@ -1 +0,0 @@
-Fix the braces in the `oidc_providers` section of the sample config.
diff --git a/changelog.d/9321.bugfix b/changelog.d/9321.bugfix
deleted file mode 100644
index f1c882b13c..0000000000
--- a/changelog.d/9321.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Assert a maximum length for some parameters for spec compliance.
diff --git a/changelog.d/9322.doc b/changelog.d/9322.doc
deleted file mode 100644
index c393a3a299..0000000000
--- a/changelog.d/9322.doc
+++ /dev/null
@@ -1 +0,0 @@
-Update installation instructions on Fedora.
diff --git a/changelog.d/9326.misc b/changelog.d/9326.misc
deleted file mode 100644
index 768c18d27e..0000000000
--- a/changelog.d/9326.misc
+++ /dev/null
@@ -1 +0,0 @@
-Share the code for handling required attributes between the CAS and SAML handlers.
diff --git a/changelog.d/9333.bugfix b/changelog.d/9333.bugfix
deleted file mode 100644
index c34ba378c5..0000000000
--- a/changelog.d/9333.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix additional errors when previewing URLs: "AttributeError 'NoneType' object has no attribute 'xpath'" and "ValueError: Unicode strings with encoding declaration are not supported. Please use bytes input or XML fragments without declaration.".
diff --git a/changelog.d/9361.bugfix b/changelog.d/9361.bugfix
deleted file mode 100644
index 4d0477f033..0000000000
--- a/changelog.d/9361.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a bug causing Synapse to impose the wrong type constraints on fields when processing responses from appservices to `/_matrix/app/v1/thirdparty/user/{protocol}`.
diff --git a/changelog.d/9362.misc b/changelog.d/9362.misc
deleted file mode 100644
index c75cfeb2a4..0000000000
--- a/changelog.d/9362.misc
+++ /dev/null
@@ -1 +0,0 @@
-Clean up the code to load the metadata for OpenID Connect identity providers.
diff --git a/changelog.d/9376.feature b/changelog.d/9376.feature
deleted file mode 100644
index 68ea21dbdd..0000000000
--- a/changelog.d/9376.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add support for receiving OpenID Connect authentication responses via form `POST`s rather than `GET`s.
diff --git a/changelog.d/9377.misc b/changelog.d/9377.misc
deleted file mode 100644
index df1348ec42..0000000000
--- a/changelog.d/9377.misc
+++ /dev/null
@@ -1 +0,0 @@
-Convert tests to use `HomeserverTestCase`.
diff --git a/changelog.d/9381.misc b/changelog.d/9381.misc
deleted file mode 100644
index 5688166120..0000000000
--- a/changelog.d/9381.misc
+++ /dev/null
@@ -1 +0,0 @@
-Update the version of black used to 20.8b1.
diff --git a/changelog.d/9384.misc b/changelog.d/9384.misc
deleted file mode 100644
index 9db61f44db..0000000000
--- a/changelog.d/9384.misc
+++ /dev/null
@@ -1 +0,0 @@
-Allow OIDC config to override discovered values.
diff --git a/changelog.d/9390.doc b/changelog.d/9390.doc
deleted file mode 100644
index 8ed2aa8b6a..0000000000
--- a/changelog.d/9390.doc
+++ /dev/null
@@ -1 +0,0 @@
-Add HTTP/2 support to the nginx example configuration. Contributed by David Vo.
diff --git a/changelog.d/9391.bugfix b/changelog.d/9391.bugfix
deleted file mode 100644
index b5e68e2ac7..0000000000
--- a/changelog.d/9391.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix bug where Synapse would occaisonally stop reconnecting after the connection was lost.
diff --git a/changelog.d/9393.bugfix b/changelog.d/9393.bugfix
deleted file mode 100644
index f1c882b13c..0000000000
--- a/changelog.d/9393.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Assert a maximum length for some parameters for spec compliance.
diff --git a/changelog.d/9394.misc b/changelog.d/9394.misc
deleted file mode 100644
index b3e90143cc..0000000000
--- a/changelog.d/9394.misc
+++ /dev/null
@@ -1 +0,0 @@
-Remove some dead code from the acceptance of room invites path.
\ No newline at end of file
diff --git a/changelog.d/9395.bugfix b/changelog.d/9395.bugfix
deleted file mode 100644
index d45cc4ffb9..0000000000
--- a/changelog.d/9395.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a long-standing bug when upgrading a room: "TypeError: '>' not supported between instances of 'NoneType' and 'int'".
diff --git a/changelog.d/9396.misc b/changelog.d/9396.misc
deleted file mode 100644
index df1348ec42..0000000000
--- a/changelog.d/9396.misc
+++ /dev/null
@@ -1 +0,0 @@
-Convert tests to use `HomeserverTestCase`.
diff --git a/changelog.d/9400.feature b/changelog.d/9400.feature
deleted file mode 100644
index 3067c3907b..0000000000
--- a/changelog.d/9400.feature
+++ /dev/null
@@ -1 +0,0 @@
-Add the shadow-banning status to the display user admin API.
\ No newline at end of file
diff --git a/changelog.d/9404.doc b/changelog.d/9404.doc
deleted file mode 100644
index aa2e63f2f6..0000000000
--- a/changelog.d/9404.doc
+++ /dev/null
@@ -1 +0,0 @@
-Update docs for using Gitea as OpenID provider.
diff --git a/changelog.d/9407.doc b/changelog.d/9407.doc
deleted file mode 100644
index 36979bc0d8..0000000000
--- a/changelog.d/9407.doc
+++ /dev/null
@@ -1 +0,0 @@
-Document that pusher instances are shardable.
diff --git a/changelog.d/9408.misc b/changelog.d/9408.misc
deleted file mode 100644
index 600bacbfe7..0000000000
--- a/changelog.d/9408.misc
+++ /dev/null
@@ -1 +0,0 @@
-Clean up an unused method in the presence handler code.
\ No newline at end of file
diff --git a/changelog.d/9421.bugfix b/changelog.d/9421.bugfix
deleted file mode 100644
index b73ed5664c..0000000000
--- a/changelog.d/9421.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Reduce the amount of memory used when generating the URL preview of a file that is larger than the `max_spider_size`.
diff --git a/changelog.d/9425.bugfix b/changelog.d/9425.bugfix
deleted file mode 100644
index f5b8857cdb..0000000000
--- a/changelog.d/9425.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a long-standing bug in the deduplication of old presence, resulting in no deduplication.
\ No newline at end of file
diff --git a/changelog.d/9426.bugfix b/changelog.d/9426.bugfix
deleted file mode 100644
index a852a315ad..0000000000
--- a/changelog.d/9426.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-The `ui_auth.session_timeout` configuration setting can now be specified in terms of number of seconds/minutes/etc/. Contributed by Rishabh Arya.
diff --git a/changelog.d/9428.bugfix b/changelog.d/9428.bugfix
deleted file mode 100644
index 132e35440a..0000000000
--- a/changelog.d/9428.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fix a bug introduced in v1.27.0: "TypeError: int() argument must be a string, a bytes-like object or a number, not 'NoneType." related to the user directory.
diff --git a/changelog.d/9429.removal b/changelog.d/9429.removal
deleted file mode 100644
index 1ff9089a20..0000000000
--- a/changelog.d/9429.removal
+++ /dev/null
@@ -1 +0,0 @@
-Deprecate old admin API `GET /_synapse/admin/v1/users/<user_id>`.
\ No newline at end of file
diff --git a/changelog.d/9433.docker b/changelog.d/9433.docker
deleted file mode 100644
index cbe3a674d3..0000000000
--- a/changelog.d/9433.docker
+++ /dev/null
@@ -1 +0,0 @@
-Drop support for ARMv7 in Docker images.
diff --git a/changelog.d/9434.doc b/changelog.d/9434.doc
deleted file mode 100644
index fd334136c2..0000000000
--- a/changelog.d/9434.doc
+++ /dev/null
@@ -1 +0,0 @@
-Fix erroneous documentation from v1.27.0 about updating the SAML2 callback URL.
diff --git a/synapse/__init__.py b/synapse/__init__.py
index 359276427f..2e70f46186 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -48,7 +48,7 @@ try:
 except ImportError:
     pass
 
-__version__ = "1.27.0"
+__version__ = "1.28.0rc1"
 
 if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
     # We import here so that we don't have to install a bunch of deps when