Merge branch 'main' into feat/2.9.0

Author: sbernauer

CHANGELOG.md

@@ -6,10 +6,17 @@ All notable changes to this project will be documented in this file.
 
 ### Added
 
+- Added support for NiFi `2.9.0` ([#922]).
+
+### Changed
+
 - Document Helm deployed RBAC permissions and remove unnecessary permissions ([#916]).
-- Added support for `2.9.0` ([#922]).
+- BREAKING: `configOverrides` now only accepts `bootstrap.conf`, `nifi.properties` and `security.properties`.
+  Previously, arbitrary keys were silently accepted but ignored ([#921]).
+- Bump `stackable-operator` to 0.110.1 and `kube` to 3.1.0 ([#921]).
 
 [#916]: https://github.com/stackabletech/nifi-operator/pull/916
+[#921]: https://github.com/stackabletech/nifi-operator/pull/921
 [#922]: https://github.com/stackabletech/nifi-operator/pull/922
 
 ## [26.3.0] - 2026-03-16