diff --git a/doc/.custom_wordlist.txt b/doc/.custom_wordlist.txt
index 494e38ea6..018797a63 100644
--- a/doc/.custom_wordlist.txt
+++ b/doc/.custom_wordlist.txt
@@ -18,6 +18,7 @@ Cloudflare
 CMS
 CRUSH
 cryptographically
+CVEs
 DCO
 DHCP
 disaggregate
diff --git a/doc/reference/release-notes/index.md b/doc/reference/release-notes/index.md
index ff5c895fb..e9433bd0c 100644
--- a/doc/reference/release-notes/index.md
+++ b/doc/reference/release-notes/index.md
@@ -25,10 +25,12 @@ For full instructions on updating or upgrading MicroCloud, refer to {ref}`howto-
 
 ```{toctree}
 :titlesonly:
+MicroCloud 3.4.1 LTS </reference/release-notes/release-notes-3.4.1>
 MicroCloud 3.4.0 LTS </reference/release-notes/release-notes-3.4.0>
 MicroCloud 3.3 </reference/release-notes/release-notes-3.3>
 MicroCloud 3.2 </reference/release-notes/release-notes-3.2>
 MicroCloud 3.1 </reference/release-notes/release-notes-3.1>
+MicroCloud 2.1.5 LTS </reference/release-notes/release-notes-2.1.5>
 MicroCloud 2.1.4 LTS </reference/release-notes/release-notes-2.1.4>
 MicroCloud 2.1.3 LTS </reference/release-notes/release-notes-2.1.3>
 MicroCloud 2.1.2 LTS <https://discourse.ubuntu.com/t/microcloud-2-1-2-lts-has-been-released/73771/2>
diff --git a/doc/reference/release-notes/release-notes-2.1.5.md b/doc/reference/release-notes/release-notes-2.1.5.md
new file mode 100644
index 000000000..019cabdd2
--- /dev/null
+++ b/doc/reference/release-notes/release-notes-2.1.5.md
@@ -0,0 +1,41 @@
+---
+myst:
+  html_meta:
+    description: Release notes for MicroCloud 2.1.5, including highlights about new features, bugfixes, and other updates from the MicroCloud project.
+---
+
+(ref-release-notes-2.1.5)=
+# MicroCloud 2.1.5 release notes
+
+This is an {ref}`LTS release <ref-releases-microcloud-lts>` and contains bugfixes, package updates and new features.
+It's the sixth release of the 2 LTS track.
+
+(ref-release-notes-2.1.5-highlights)=
+## Highlights
+
+This section highlights new and improved features in this release.
+
+### Dependency updates
+
+MicroCloud is rebuilt against the latest LXD and MicroCeph releases, and its Go module dependencies are refreshed to pick up upstream fixes, including security fixes for known Go CVEs.
+
+(ref-release-notes-2.1.5-incompatible)=
+## Backwards-incompatible changes
+
+These changes are not compatible with older versions of MicroCloud.
+
+### Minimum system requirement changes
+
+The minimum supported version of some components has changed:
+
+* Go: 1.27.2 (used to build MicroCloud)
+
+## Upgrading to the new version
+
+If you are already using MicroCloud 2 LTS, refer to the {ref}`howto-update` guide for information on how to retrieve and use the latest release within the same major version.
+If you are on an older major version, refer to the {ref}`howto-upgrade` guide.
+
+(ref-release-notes-2.1.5-changelog)=
+## Change log
+
+View the [complete list of all changes in this release](https://github.com/canonical/microcloud/compare/2.1.4...2.1.5).
diff --git a/doc/reference/release-notes/release-notes-3.4.1.md b/doc/reference/release-notes/release-notes-3.4.1.md
new file mode 100644
index 000000000..6775aa9ad
--- /dev/null
+++ b/doc/reference/release-notes/release-notes-3.4.1.md
@@ -0,0 +1,41 @@
+---
+myst:
+  html_meta:
+    description: Release notes for MicroCloud 3.4.1, including highlights about new features, bugfixes, and other updates from the MicroCloud project.
+---
+
+(ref-release-notes-3.4.1)=
+# MicroCloud 3.4.1 release notes
+
+This is an {ref}`LTS release <ref-releases-microcloud-lts>` and contains bugfixes and package updates.
+It's the second release of the 3 LTS track.
+
+(ref-release-notes-3.4.1-highlights)=
+## Highlights
+
+This section highlights new and improved features in this release.
+
+### Dependency updates
+
+MicroCloud is rebuilt against the latest LXD, MicroCeph, and MicroOVN releases, and its Go module dependencies are refreshed to pick up upstream fixes, including security fixes for known Go CVEs.
+
+(ref-release-notes-3.4.1-incompatible)=
+## Backwards-incompatible changes
+
+These changes are not compatible with older versions of MicroCloud.
+
+### Minimum system requirement changes
+
+The minimum supported version of some components has changed:
+
+* Go: 1.27.2 (used to build MicroCloud)
+
+## Upgrading to the new version
+
+If you are currently using an earlier 3.4._z_ release, refer to the {ref}`howto-update` guide for information on how to retrieve and use the latest release within the same major version.
+If you are on an older major version, refer to the {ref}`howto-upgrade` guide.
+
+(ref-release-notes-3.4.1-changelog)=
+## Change log
+
+View the [complete list of all changes in this release](https://github.com/canonical/microcloud/compare/3.4.0...3.4.1).