diff --git a/CHANGES.md b/CHANGES.md
index 9a5af5524fe..b34ed2b4d73 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -11,6 +11,18 @@ $ towncrier create <PR-number>.<break|feat|fix>.md --content "Short description"
 
 <!-- towncrier release notes start -->
 
+## __cylc-8.9.10 (Released 2023-11-29)__
+
+### 🚀 Enhancements
+
+[#5571](https://github.com/cylc/cylc-flow/pull/5571) - Make workflow `CYLC_` variables available to the template processor during parsing.
+
+### 🔧 Fixes
+
+[#5753](https://github.com/cylc/cylc-flow/pull/5753) - Fixed bug where execution time limit polling intervals could end up incorrectly applied
+
+[#5776](https://github.com/cylc/cylc-flow/pull/5776) - Ensure that submit-failed tasks are marked as incomplete (so remain visible) when running in back-compat mode.
+
 ## __cylc-8.2.2 (Released 2023-10-05)__
 
 ### 🚀 Enhancements
diff --git a/changes.d/5571.feat.md b/changes.d/5571.feat.md
deleted file mode 100644
index 4bda6c6af4b..00000000000
--- a/changes.d/5571.feat.md
+++ /dev/null
@@ -1 +0,0 @@
-Make workflow `CYLC_` variables available to the template processor during parsing.
diff --git a/changes.d/5753.fix.md b/changes.d/5753.fix.md
deleted file mode 100644
index 47380af7ab5..00000000000
--- a/changes.d/5753.fix.md
+++ /dev/null
@@ -1 +0,0 @@
-Fixed bug where execution time limit polling intervals could end up incorrectly applied
diff --git a/changes.d/5776.fix.md b/changes.d/5776.fix.md
deleted file mode 100644
index d123c2cb24f..00000000000
--- a/changes.d/5776.fix.md
+++ /dev/null
@@ -1 +0,0 @@
-Ensure that submit-failed tasks are marked as incomplete (so remain visible) when running in back-compat mode.
diff --git a/cylc/flow/__init__.py b/cylc/flow/__init__.py
index bc9f24aa573..5acb550aedc 100644
--- a/cylc/flow/__init__.py
+++ b/cylc/flow/__init__.py
@@ -53,7 +53,7 @@ def environ_init():
 
 environ_init()
 
-__version__ = '8.3.0.dev'
+__version__ = '8.9.10'
 
 
 def iter_entry_points(entry_point_name):