diff --git a/CHANGES.md b/CHANGES.md
index 47fc31a5cb..13c53d2606 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,9 +1,20 @@
-# Synapse 1.91.2 (2023-09-06)
+# Synapse 1.92.1 (2023-09-12)
+
+Stop building Ubuntu Kinetic since it is EOL and repos seem to be dead.
+
+
+# Synapse 1.92.0 (2023-09-12)
 
 ### Bugfixes
 
 - Revert [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) introspection cache, admin impersonation and account lock. ([\#16258](https://github.com/matrix-org/synapse/issues/16258))
 
+### Internal Changes
+
+- Fix incorrect docstring for `Ratelimiter`. ([\#16255](https://github.com/matrix-org/synapse/issues/16255))
+- Update the release script to work on macOS. ([\#16266](https://github.com/matrix-org/synapse/issues/16266))
+
+
 # Synapse 1.92.0rc1 (2023-09-05)
 
 ### Features
@@ -59,6 +70,13 @@
 * Bump types-psycopg2 from 2.9.21.10 to 2.9.21.11. ([\#16200](https://github.com/matrix-org/synapse/issues/16200))
 * Bump types-pyyaml from 6.0.12.10 to 6.0.12.11. ([\#16199](https://github.com/matrix-org/synapse/issues/16199))
 
+# Synapse 1.91.2 (2023-09-06)
+
+### Bugfixes
+
+- Revert [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) introspection cache, admin impersonation and account lock. ([\#16258](https://github.com/matrix-org/synapse/issues/16258))
+
+
 # Synapse 1.91.1 (2023-09-04)
 
 ### Bugfixes
diff --git a/changelog.d/16255.misc b/changelog.d/16255.misc
deleted file mode 100644
index 94d6aff1d6..0000000000
--- a/changelog.d/16255.misc
+++ /dev/null
@@ -1 +0,0 @@
-Fix incorrect docstring for `Ratelimiter`.
diff --git a/changelog.d/16258.bugfix b/changelog.d/16258.bugfix
deleted file mode 100644
index d5ae2399e6..0000000000
--- a/changelog.d/16258.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Revert [MSC3861](https://github.com/matrix-org/matrix-spec-proposals/pull/3861) introspection cache, admin impersonation and account lock.
diff --git a/debian/changelog b/debian/changelog
index 81baa6e405..9553967098 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,15 @@
+matrix-synapse-py3 (1.92.1) stable; urgency=medium
+
+  * New Synapse release 1.92.1.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 12 Sep 2023 13:19:42 +0200
+
+matrix-synapse-py3 (1.92.0) stable; urgency=medium
+
+  * New Synapse release 1.92.0.
+
+ -- Synapse Packaging team <packages@matrix.org>  Tue, 12 Sep 2023 11:59:23 +0200
+
 matrix-synapse-py3 (1.91.2) stable; urgency=medium
 
   * New synapse release 1.91.2.
diff --git a/pyproject.toml b/pyproject.toml
index 8747782b29..3e06abd0ca 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -95,7 +95,7 @@ manifest-path = "rust/Cargo.toml"
 
 [tool.poetry]
 name = "matrix-synapse"
-version = "1.92.0rc1"
+version = "1.92.1"
 description = "Homeserver for the Matrix decentralised comms protocol"
 authors = ["Matrix.org Team and Contributors <packages@matrix.org>"]
 license = "Apache-2.0"
diff --git a/scripts-dev/build_debian_packages.py b/scripts-dev/build_debian_packages.py
index c03e3418c0..b192faba14 100755
--- a/scripts-dev/build_debian_packages.py
+++ b/scripts-dev/build_debian_packages.py
@@ -32,7 +32,6 @@ DISTS = (
     "debian:sid",  # (EOL not specified yet) (our EOL forced by Python 3.11 is 2027-10-24)
     "ubuntu:focal",  # 20.04 LTS (EOL 2025-04) (our EOL forced by Python 3.8 is 2024-10-14)
     "ubuntu:jammy",  # 22.04 LTS (EOL 2027-04) (our EOL forced by Python 3.10 is 2026-10-04)
-    "ubuntu:kinetic",  # 22.10 (EOL 2023-07-20) (our EOL forced by Python 3.10 is 2026-10-04)
     "ubuntu:lunar",  # 23.04 (EOL 2024-01) (our EOL forced by Python 3.11 is 2027-10-24)
     "debian:trixie",  # (EOL not specified yet)
 )
diff --git a/scripts-dev/release.py b/scripts-dev/release.py
index 4ac8eaa889..74f41a40ec 100755
--- a/scripts-dev/release.py
+++ b/scripts-dev/release.py
@@ -244,11 +244,17 @@ def _prepare() -> None:
     else:
         debian_version = new_version
 
-    run_until_successful(
-        f'dch -M -v {debian_version} "New Synapse release {new_version}."',
-        shell=True,
-    )
-    run_until_successful('dch -M -r -D stable ""', shell=True)
+    if sys.platform == "darwin":
+        run_until_successful(
+            f"docker run --rm -v .:/synapse ubuntu:latest /synapse/scripts-dev/docker_update_debian_changelog.sh {new_version}",
+            shell=True,
+        )
+    else:
+        run_until_successful(
+            f'dch -M -v {debian_version} "New Synapse release {new_version}."',
+            shell=True,
+        )
+        run_until_successful('dch -M -r -D stable ""', shell=True)
 
     # Show the user the changes and ask if they want to edit the change log.
     synapse_repo.git.add("-u")
@@ -566,19 +572,27 @@ def _notify(message: str) -> None:
     # for this.
     click.echo(f"\a{message}")
 
+    app_name = "Synapse Release Script"
+
     # Try and run notify-send, but don't raise an Exception if this fails
     # (This is best-effort)
-    # TODO Support other platforms?
-    subprocess.run(
-        [
-            "notify-send",
-            "--app-name",
-            "Synapse Release Script",
-            "--expire-time",
-            "3600000",
-            message,
-        ]
-    )
+    if sys.platform == "darwin":
+        # See https://developer.apple.com/library/archive/documentation/AppleScript/Conceptual/AppleScriptLangGuide/reference/ASLR_cmds.html#//apple_ref/doc/uid/TP40000983-CH216-SW224
+        subprocess.run(
+            f"""osascript -e 'display notification "{message}" with title "{app_name}"'""",
+            shell=True,
+        )
+    else:
+        subprocess.run(
+            [
+                "notify-send",
+                "--app-name",
+                app_name,
+                "--expire-time",
+                "3600000",
+                message,
+            ]
+        )
 
 
 @cli.command()