diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 157fa11126..b321b7fcb3 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 3.66.0.dev
+current_version = 3.66.0
 commit = False
 tag = False
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<release>[a-z]+))?
diff --git a/CHANGES.md b/CHANGES.md
index 5c36e90ee2..f2ae872aed 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -8,6 +8,40 @@
 
 [//]: # (towncrier release notes start)
 
+## 3.66.0 (2024-10-16) {: #3.66.0 }
+
+### REST API {: #3.66.0-rest-api }
+
+#### Features {: #3.66.0-rest-api-feature }
+
+- Added OpenPGP keyring repository type and OpenPGP key content type.
+  [#3024](https://github.com/pulp/pulpcore/issues/3024)
+- Re-enabled and refactored the Domain Storage metric emitter.
+  [#5762](https://github.com/pulp/pulpcore/issues/5762)
+- Added a formal "immediate" type of Task and changed workers behavior to prioritize those.
+  This labeling is exlusive to plugin code and should only be applied where it's known that
+  the task will finish shortly, like in updates of repositories, remotes, and distributions.
+  [#5767](https://github.com/pulp/pulpcore/issues/5767)
+
+#### Bugfixes {: #3.66.0-rest-api-bugfix }
+
+- Fixed task purge to not expect a user, when a run has been scheduled by Pulp itself.
+  [#5881](https://github.com/pulp/pulpcore/issues/5881)
+
+### Plugin API {: #3.66.0-plugin-api }
+
+No significant changes.
+
+### Pulp File {: #3.66.0-pulp-file }
+
+No significant changes.
+
+### Pulp Cert Guard {: #3.66.0-pulp-cert-guard }
+
+No significant changes.
+
+---
+
 ## 3.65.0 (2024-10-08) {: #3.65.0 }
 
 ### REST API {: #3.65.0-rest-api }
diff --git a/CHANGES/3024.feature b/CHANGES/3024.feature
deleted file mode 100644
index 65eb912766..0000000000
--- a/CHANGES/3024.feature
+++ /dev/null
@@ -1 +0,0 @@
-Added OpenPGP keyring repository type and OpenPGP key content type.
diff --git a/CHANGES/5762.feature b/CHANGES/5762.feature
deleted file mode 100644
index b886a938b1..0000000000
--- a/CHANGES/5762.feature
+++ /dev/null
@@ -1 +0,0 @@
-Re-enabled and refactored the Domain Storage metric emitter.
diff --git a/CHANGES/5767.feature b/CHANGES/5767.feature
deleted file mode 100644
index 52c14e0936..0000000000
--- a/CHANGES/5767.feature
+++ /dev/null
@@ -1,3 +0,0 @@
-Added a formal "immediate" type of Task and changed workers behavior to prioritize those.
-This labeling is exlusive to plugin code and should only be applied where it's known that
-the task will finish shortly, like in updates of repositories, remotes, and distributions.
diff --git a/CHANGES/5881.bugfix b/CHANGES/5881.bugfix
deleted file mode 100644
index d9122aefad..0000000000
--- a/CHANGES/5881.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fixed task purge to not expect a user, when a run has been scheduled by Pulp itself.
diff --git a/pulp_certguard/app/__init__.py b/pulp_certguard/app/__init__.py
index 6f4bf25e1d..b217e2f081 100644
--- a/pulp_certguard/app/__init__.py
+++ b/pulp_certguard/app/__init__.py
@@ -6,6 +6,6 @@ class PulpCertGuardPluginAppConfig(PulpPluginAppConfig):
 
     name = "pulp_certguard.app"
     label = "certguard"
-    version = "3.66.0.dev"
+    version = "3.66.0"
     python_package_name = "pulpcore"
     domain_compatible = True
diff --git a/pulp_file/app/__init__.py b/pulp_file/app/__init__.py
index 895a5743f5..893f81841d 100644
--- a/pulp_file/app/__init__.py
+++ b/pulp_file/app/__init__.py
@@ -8,6 +8,6 @@ class PulpFilePluginAppConfig(PulpPluginAppConfig):
 
     name = "pulp_file.app"
     label = "file"
-    version = "3.66.0.dev"
+    version = "3.66.0"
     python_package_name = "pulpcore"
     domain_compatible = True
diff --git a/pulpcore/app/apps.py b/pulpcore/app/apps.py
index 3f579f22cd..6dd898cf22 100644
--- a/pulpcore/app/apps.py
+++ b/pulpcore/app/apps.py
@@ -239,7 +239,7 @@ class PulpAppConfig(PulpPluginAppConfig):
     label = "core"
 
     # The version of this app
-    version = "3.66.0.dev"
+    version = "3.66.0"
 
     # The python package name providing this app
     python_package_name = "pulpcore"
diff --git a/setup.py b/setup.py
index 5e04a61e49..72168940df 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 
 setup(
     name="pulpcore",
-    version="3.66.0.dev",
+    version="3.66.0",
     description="Pulp Django Application and Related Modules",
     long_description=long_description,
     long_description_content_type="text/markdown",