generated: '2026-07-20'
method: searched
source: https://github.com/readysettech/readyset/releases
scheme: date-based stable tags (stable-YYMMDD)
current_version: stable-260720
cadence: roughly monthly stable releases
entries:
- version: stable-260720
  date: '2026-07-21'
  highlights:
  - Interactive MySQL client support.
  - Shallow cache improvements; reduced CPU load by ~75%.
  - New Prometheus metrics for adaptive caches.
- version: stable-260630
  date: '2026-07-01'
  breaking:
  - Empty array literals (ARRAY[]) now require explicit type casting.
  highlights:
  - TopK query support enabled by default.
  - Fixed shallow cache coalescence bugs and race conditions.
- version: stable-260528
  date: '2026-05-28'
  highlights:
  - MCP server support introduced (Readyset AI).
  - Group commit for PostgreSQL replication.
  - New UNTIL WRITE cache policy; improved shallow auto-caching.
- version: stable-260423
  date: '2026-04-23'
  highlights:
  - AVG queries with WHERE IN now cacheable.
  - MySQL replication batching (~21x improvement); GTID support.
  - TopK operator fixes.
- version: stable-260331
  date: '2026-03-31'
  breaking:
  - Shallow caches are now the default; use --cache-mode deep for prior behavior.
  highlights:
  - Array overlap operator, virtual Readyset schema, query hints support.
- version: stable-260226
  date: '2026-02-26'
  highlights:
  - ARM64/aarch64 architecture support.
  - Shallow cache optimization; PostGIS support enhancements.