diff --git a/CHANGELOG.md b/CHANGELOG.md
index 98459caef..8d3e94efb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Change Log
 
+## [12.0.0] - 2024-10-25
+
+### Added
+
+- New `matrix` transforms added to allow easily splitting tasks
+- The `-p/--parameters` flag now supports `index=<index>` as a means of discovering parameters
+
+### Fixed
+
+- BREAKING CHANGE: `target_tasks_method` filter no longer implicitly added if other filters are used
+- An OSError when generating docker contexts when many files were involved
+- A bug when attempting to find prior actions in Github action tasks
+- The `when.files-changed` optimization no longer implicitly adds unrelated `tasks-from` files
+
+### Changed
+
+- BREAKING CHANGE: docker image task labels changed from `build-docker-image` to `docker-image`
+
 ## [11.2.4] - 2024-10-16
 
 ### Fixed
diff --git a/src/taskgraph/__init__.py b/src/taskgraph/__init__.py
index 20433ec79..6ae30ccc6 100644
--- a/src/taskgraph/__init__.py
+++ b/src/taskgraph/__init__.py
@@ -2,7 +2,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-__version__ = "11.2.4"
+__version__ = "12.0.0"
 
 # Maximum number of dependencies a single task can have
 # https://docs.taskcluster.net/docs/reference/platform/queue/api#createTask