# KIMU 5.2.0 Increment 39 release notes

## Added

- Functional Files and ZIPs module.
- Safe ZIP security limits and text/source previews.
- Chat attachments for text, code, ZIP and images.
- Conversation text export with attachment evidence.
- Durable job records and SSE job events.
- Functional Together Code Interpreter client and mobile run interface.
- Reusable Code Interpreter sessions and session reset.
- Explicit memory CRUD.
- Draft skill-contract CRUD.
- Persistent user settings.
- Authenticated readiness detail and owner audit summary.
- PWA install prompt and corrected cache retirement.
- Expanded test suite and static conformance checks.

## Preserved

- Owner authentication and CSRF protection.
- SQLite WAL persistence.
- K2.6/K2.7 Code model switching.
- Model-specific adaptive/locked settings.
- Streaming reasoning, answer rendering and cancellation.
- Fully vendored React production output.

## Still pending

See `FEATURE_IMPLEMENTATION_MATRIX` and `AUTONOMOUS_COMPLETION_REPORT`. No placeholder is represented as operational.