diff --git a/doc/changes/changes.md b/doc/changes/changes.md
index 40f04ad6..1fa0a9ff 100644
--- a/doc/changes/changes.md
+++ b/doc/changes/changes.md
@@ -1,6 +1,6 @@
 # Changes
 
-* [4.3.1](changes_4.3.1.md)
+* [4.3.1](changes_4.4.0.md)
 * [4.3.0](changes_4.3.0.md)
 * [4.2.3](changes_4.2.3.md)
 * [4.2.2](changes_4.2.2.md)
diff --git a/doc/changes/changes_4.3.1.md b/doc/changes/changes_4.4.0.md
similarity index 66%
rename from doc/changes/changes_4.3.1.md
rename to doc/changes/changes_4.4.0.md
index bc0d8cf3..72ed3aba 100644
--- a/doc/changes/changes_4.3.1.md
+++ b/doc/changes/changes_4.4.0.md
@@ -1,4 +1,4 @@
-# OpenFastTrace 4.3.0, released 2026-05-??
+# OpenFastTrace 4.4.0, released 2026-05-14
 
 Code name: Spec-driven Development Skill
 
@@ -8,6 +8,13 @@ In this release we added the OpenFastTrace Spec-driven Development Skill. The sk
 
 We also moved the skills to `.agents/skills` for best cross-vendor compatibility.
 
+The tag importer now supports  Kotlin script files (`.kts`).
+
+## Features
+
+* #507: Tag importer now support `.kts` files
+* #514: Added changeset skill
+
 ## Documentation
 
-* Added changeset skill
+* #514: Added changeset skill
diff --git a/doc/user_guide.md b/doc/user_guide.md
index 7ec64591..053a66d4 100644
--- a/doc/user_guide.md
+++ b/doc/user_guide.md
@@ -756,7 +756,7 @@ recognized file types:
 * Groovy (`.groovy`)
 * Java (`.java`)
 * JavaScript (`.js`, `.ejs`, `.cjs`, `.mjs`)
-* TypeScript (`.ts`)
+* Kotlin (`.kt`, `.kts`)
 * Lua (`.lua`)
 * Objective C (`.m`, `.mm`)
 * Perl (`.pl`, `.pm`)
@@ -768,6 +768,7 @@ recognized file types:
 * Shell programming (`.sh`, `.bash`, `.zsh`)
 * Swift (`.swift`)
 * Terraform (`.tf`, `.tfvars`)
+* TypeScript (`.ts`)
 * Windows batch files (`.bat`)
 
 **Configuration and Serialization Formats** 
diff --git a/importer/tag/src/main/java/org/itsallcode/openfasttrace/importer/tag/TagImporterFactory.java b/importer/tag/src/main/java/org/itsallcode/openfasttrace/importer/tag/TagImporterFactory.java
index e607d6df..c574bf89 100644
--- a/importer/tag/src/main/java/org/itsallcode/openfasttrace/importer/tag/TagImporterFactory.java
+++ b/importer/tag/src/main/java/org/itsallcode/openfasttrace/importer/tag/TagImporterFactory.java
@@ -25,7 +25,7 @@ public class TagImporterFactory extends ImporterFactory
             "groovy", // Groovy
             "json", "htm", "html", "xhtml", "yaml", "yml", // markup languages
             "java", // Java
-            "clj", "kt", "scala", // JVM languages
+            "clj", "kt", "kts", "scala", // JVM languages
             "js", "mjs", "cjs", "ejs", // JavaScript
             "ts", // TypeScript
             "lua", // Lua
diff --git a/importer/tag/src/test/java/org/itsallcode/openfasttrace/importer/tag/TestTagImporterFactory.java b/importer/tag/src/test/java/org/itsallcode/openfasttrace/importer/tag/TestTagImporterFactory.java
index 93ad156e..dbeaaadb 100644
--- a/importer/tag/src/test/java/org/itsallcode/openfasttrace/importer/tag/TestTagImporterFactory.java
+++ b/importer/tag/src/test/java/org/itsallcode/openfasttrace/importer/tag/TestTagImporterFactory.java
@@ -27,8 +27,10 @@ protected List<String> getSupportedFilenames()
         return asList("file.java", "FILE.java", "file.md.java", "file.ads", "file.adb", "foo.bash", "foo.bar.bash",
                 "foo.bat", "foo.java", "foo.c", "foo.C", "foo.c++", "foo.c#", "foo.cc", "foo.cfg",
                 "foo.conf", "foo.cpp", "foo.cs", "foo.feature", "foo.groovy", "foo.h", "foo.H", "foo.hh", "foo.h++",
-                "foo.htm", "foo.html", "foo.ini", "foo.js", "foo.mjs", "foo.cjs", "foo.ejs", "foo.ts", "foo.json",
-                "foo.lua", "foo.m", "foo.mm", "foo.php", "foo.pl", "foo.pls", "foo.pm", "foo.proto", "foo.py", "foo.sql", "foo.r",
+                "foo.htm", "foo.html", "foo.ini", "foo.js", "foo.kt", "foo.kts", "foo.mjs", "foo.cjs", "foo.ejs",
+                "foo.ts", "foo.json",
+                "foo.lua", "foo.m", "foo.mm", "foo.php", "foo.pl", "foo.pls", "foo.pm", "foo.proto", "foo.py",
+                "foo.sql", "foo.r",
                 "foo.rs", "foo.sh", "foo.sv", "foo.v", "foo.inc", "foo.yaml", "foo.yml", "foo.xhtml", "foo.zsh",
                 "foo.clj", "foo.kt", "foo.scala",
                 "foo.pu", "foo.puml", "foo.plantuml", "foo.go", "foo.robot", "foo.tf", "foo.tfvars", "foo.toml");
diff --git a/parent/pom.xml b/parent/pom.xml
index eec6434a..ca0ad035 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -10,7 +10,7 @@
     <description>Free requirement tracking suite</description>
     <url>https://github.com/itsallcode/openfasttrace</url>
     <properties>
-        <revision>4.3.1</revision>
+        <revision>4.4.0</revision>
         <java.version>17</java.version>
         <junit.version>6.1.0-M1</junit.version>
         <junit.version>6.0.3</junit.version>