- Breaking changes to Dynamic Search Rules API (request types, mandatory selector IDs, async task responses) and default network behavior for federated document fetch in sharded setups
- New features include federated document fetch across shards, scaling DSR to 75β―000 rules, partial wildcard facet support, configurable DSR fuel via environment variables, and a route to delete all DSRs
- Bugfixes and improvements: migration fixes for empty synonyms, reduced filter memory usage, handling of escaped filters, more resilient S3 snapshots, doc updates, and Windows test stability