Features

• Add Action Tests for Image. (#4048)
• Enable TOTP registration for anonymous users (#4354)
• Refactor event dispatcher and handlers directory structure (#4497)
• Add EventDomain.WORKFLOW enum value to support workflow-related event categorization (#4499)
• Create new manager CLI command backend.ai mgr scheduler last-execution-time to let administrators fetch each manager scheduler's last execution time (#4507)
• Add stage package to support deterministic step-by-step execution (#4509)
• Make resource fragmentation configurable (#4533)
• Add missing GET /status_history endpoint to the session REST API (#4543)

Improvements

• Refactor keypair_preparation from a classmethod of the Graphene class to a utility function to decouple logic from GraphQL (#4510)
• Introduce service layer in auth APIs to apply audit logs for user login APIs (#4535)
• Improve logging for error handling in various modules (#4540)

Fixes

• heartbeat register service when service is dead (#4492)
• Fix missing log output of GraphQL top-level query fields by improving graphene's resolver info object usage (#4505)
• Fix Backend.AI agent equipped with mock accelerator refusing to allocate mock accelerator to session after agent restart (#4532)
• Fix broken list_presets API, SDK (#4541)
• Fix broken usage_per_month method in Resource SDK (#4546)
• Fix broken Keypair SDK methods (activate, deactivate) (#4547)
• Broken stream_pty method in Session SDK (#4548)
• Fix missing entity id in processor (#4550)
• Fix wrong idle checker init arguments (#4557)

Miscellaneous

• Remove outdated Image SDK methods (get_image_import_form, build) (#4537)
• Remove useless print in ScalingGroup.list_available (#4538)

Full Changelog

Check out the full changelog until this release (25.9.0rc2).

Full Commit Logs

Check out the full commit logs between release (25.8.1) and (25.9.0rc2).