Security
- Add AI security architecture (#3158)
- Terminate action process groups (#3159)
- Overhaul security, isolation, and audit log documentation (#3166)
- Patch dependabot alerts (#3192)
Integrations
Agents
- Workflow execution tools (#3150)
- Preserve NUL session history (#3156)
- Enable deferred tool loading in the Claude runtime (#3163)
Performance improvements
- Add postgres scatter capacity harness (#3140)
- Avoid unused relationship loads in case metrics (#3157)
Bug fixes
- Surface lookup errors (#3124)
- Isolate bypass-RLS sessions on a dedicated pool (#3141)
- Support multi-replica sessions (#3151)
Dependencies
- Pin Python dependency versions (#3175)
Build system
- Remove unused entrypoint.sh migration wrapper (#3147)
Other
- Use pointer cursor on dropdown menu items (#3089)
- Mark pool backend experimental, auto selects ephemeral (#3146)
- Expose concurrency controls in deployments (#3153)
- Explain Helm application updates (#3155)
- Prefer frozen slotted dataclass over NamedTuple (#3160)
- Require LOC breakdown table in PR bodies (#3161)
- Remove broken OpenAPI template converter (#3164)
- Remove experimental pool backend (#3167)
Full changelog: 1.0.0-beta.51-rc.11...1.0.0-beta.51-rc.12