diff --git a/README.md b/README.md
index 9d51b29..3ab4d45 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 Bootstrap Components is a [MediaWiki] extension that aims to provide
 editors with easy access to certain components introduced by
-[Twitter Bootstrap 4][Bootstrap].
+[Bootstrap 5][Bootstrap].
 
 Depending on your configuration, editors can utilize several
 _tag extensions_ and _parser functions_ inside wiki code to place certain
diff --git a/docs/release-notes.md b/docs/release-notes.md
index 1fa2750..82885b6 100644
--- a/docs/release-notes.md
+++ b/docs/release-notes.md
@@ -2,13 +2,18 @@
 
 ### BootstrapComponents 6.0.0
 
-Released on TBD
+Released on 16-July-2026
 
 Breaking changes:
 * requires MediaWiki 1.43 or later
 * requires PHP 8.1 or later
 * requires Bootstrap extension 6.x, which bundles Bootstrap library 5.3
 
+Changes:
+* change bootstrap foundation from version 4 to version 5.3
+* rewrite component JavaScript from jQuery to the native Bootstrap 5 API
+* reimplement the jumbotron using Bootstrap 5 utility classes, since Bootstrap 5 removed the .jumbotron component
+
 ### BootstrapComponents 5.2.4
 
 Released on 22-May-2026
diff --git a/extension.json b/extension.json
index 7958374..89b6e5c 100644
--- a/extension.json
+++ b/extension.json
@@ -1,6 +1,6 @@
 {
 	"name": "BootstrapComponents",
-	"version": "6.0.0-dev",
+	"version": "6.0.0",
 	"author": [ "Tobias Oetterer" ],
 	"url": "https://www.mediawiki.org/wiki/Extension:BootstrapComponents",
 	"descriptionmsg": "bootstrap-components-desc",