diff -rN -u old-smederee/build.sbt new-smederee/build.sbt
--- old-smederee/build.sbt	2024-05-05 13:21:40.806325330 +0000
+++ new-smederee/build.sbt	2024-05-05 13:21:40.806325330 +0000
@@ -20,7 +20,7 @@
         scalaVersion     := "3.3.3",
         organization     := "de.smederee",
         organizationName := "Contributors as noted in the AUTHORS.md file",
-        version          := "0.12.0-SNAPSHOT",
+        version          := "0.12.0",
         scalacOptions ++= Seq(
             "-deprecation",
             "-explain",
diff -rN -u old-smederee/CHANGELOG.md new-smederee/CHANGELOG.md
--- old-smederee/CHANGELOG.md	2024-05-05 13:21:40.806325330 +0000
+++ new-smederee/CHANGELOG.md	2024-05-05 13:21:40.806325330 +0000
@@ -20,6 +20,44 @@
     - `Fixed` for any bug fixes.
     - `Security` to invite users to upgrade in case of vulnerabilities.
 
+v0.12.0 (2024-04-18)
+====================
+
+Added
+-----
+
+- organisation administration (edit and delete)
+- sync user account data to ticket database also upon account validation
+- strike-through rendering to `MarkdownRenderer`
+- image attributes extension for `MarkdownRenderer`
+- error handling middleware for better error logging
+
+Changed
+-------
+
+- better error message if user or organisation cannot be displayed
+- Refactoring: merge tickets module into hub module
+- base uri for organisation operations
+- scalafix configuration update
+- documentation for CSRF protection on failure handler to reflect correct
+  behaviour
+- documentation wording
+
+Removed
+-------
+
+- now obsolete workaround for twirl and scala-xml from build file
+- unused packaging settings from build file
+
+Fixed
+-----
+
+- broken source tarball downloads
+- set correct password reset link in email
+- discarded non unit value in `DarcsCommandsTest`
+- fatal warning in the `MarkdownRenderer`
+- missing logback on html-utils
+
 v0.11.0 (2024-02-02)
 ====================