Bug Fixes
- Addresses an issue if the OIDC service fails to communicate with the IdP causing the prevention of controller leadership election by @michael-redpanda in #28612
- Fix a rare bug where adjacent segment merging in tiered storage fails with
Candidate creation error: candidate creation error: failed to seek end offsetwhich could result in degraded tiered storage read performance. by @nvartolomei in #28625 - #28256 Adding RedpandaRoles as part of whole cluster recovery. Prior to this change, roles were saved in the snapshot but not restored as part of the recovery process. This change adds that missing logic and extends the tests to validate the flow. by @nguyen-andrew in #28267
- #28559 Fixes a bug in XML parsing for S3 and ABS clients which could lead to partial reads of XML responses by @WillemKauf in #28564
- PR #28756 [v25.2.x] cluster: fix topic label aggregation on restart by @ballard26
- PR #28841 [v25.2.x] http: Add TCP keepalive to http APIs by @StephanDollberg
- PR #27502 [v25.2.x] pp/reply: handle sleep_aborted exception by @mmaslankaprv
- PR #28607 [v25.2.x] [CORE-14678] - Lower logger severity for invalid buffer size in kafka server by @michael-redpanda
- PR #28714 [v25.2.x][CORE-14665] security/audit: Fix stuck misconfigured state by @IoannisRP
- fix shard placement table race condition by @joe-redpanda in #28676
Improvements
- partitions with an in-flight move and original replica quorum loss will now be reported as immutable by @joe-redpanda in #28689
- PR #28479 [v25.2.x] CORE-13739 Update schema registry to use chunked_vector by @nguyen-andrew
- PR #28493 [v25.2.x] r/admin: Update security report by @IoannisRP
- PR #28672 [v25.2.x] admin: Store decommission_status partitions in a chunked array by @wdberkeley
Full Changelog: v25.2.11...v25.2.12