Update CHANGELOG.md from release 26.3.0

NickLarsenNZ · NickLarsenNZ · commit a03eb20abc4f · 2026-03-16T14:42:42.000+01:00
Signed-off-by: Nick Larsen &lt;nick.larsen@stackable.tech&gt;
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+## [26.3.0] - 2026-03-16
+
+## [26.3.0-rc1] - 2026-03-16
+
 ### Added
 
 - airflow: Add 3.1.6 ([#1405], [#1422]).
