docs: Add platform fixes

Author: Techassi

modules/ROOT/partials/release-notes/release-26.3.adoc

@@ -183,6 +183,16 @@ This therefore now requires a `batchColumnMasks` rule to be present in the OPA T
 
 See https://github.com/stackabletech/trino-operator/issues/814[trino-operator#814].
 
+==== Platform fixes
+
+===== General
+
+====== Logging
+
+Previously, log entries could be sent multiple times to the Vector aggregator if the Vector container was restarted.
+This issue has now been resolved by persisting the Vector state across container restarts.
+Fixed in https://github.com/stackabletech/issues/issues/821[issues#821].
+
 
 ==== Supported versions