- Add a new `tctl admin cluster list` subcommand and enable auto‑forwarding for all APIs; support local namespace promotion, global namespace updates, and removal of clusters from replication lists.
- Upgrade cron to v3 with timezone support, replace Cassandra visibility TTL with explicit DELETE, add dual‑write to multiple Elasticsearch indices, and update core dependencies (Go 1.17.6, SDK v1.13, OpenTelemetry v1.2.0).
- Include extensive bug‑fixes and improvements such as deduplication of SignalWithStartWorkflowExecution, SQLite concurrency fixes, enhanced metrics and logging, matching engine refinements, and various schema and tooling updates.