1.52.0 (2026-07-17)
Features
- add Sonnet 5 to the model list, make it the canonical sonnet (#631) (#644) (b1cde57)
- cli: read MERIDIAN_PLUGIN_DIR and MERIDIAN_PLUGIN_CONFIG env vars (59743bd)
- env-configurable plugin loading + home-manager plugin settings (#623 by @connor-grady) (b40bfba)
- nix: add pluginConfig and pluginDir home-manager settings (5cb1821)
Bug Fixes
- decouple SDK settings from settingSources so memory:false works with claudeMd off (#634) (#645) (379bd6b)
- frame fresh-session replays in a context-only envelope (#619) (#646) (ce1f954)
- hold non-stream denies until turn end — parallel calls survive both modes (#592) (#647) (0d50467)
- nix: only export MERIDIAN_PLUGIN_CONFIG when plugins are configured (f241032)
- retry busy-session resume refusals instead of failing deterministically (#630) (#643) (81b589c)