Agents
- persist sandbox work dirs (#2774)
- add workspace chat artifact streams (#2782)
- mount workspace chat artifacts (#2784)
- bind workspace chat domain tools (#2787)
- create workflow artifacts from chat (#2794)
Performance improvements
- smooth workspace chat streaming (#2800)
Enhancements
- add per-session tools and MCP integrations (#2797)
Bug fixes
- remove MCP tool namespaces (#2791)
Other
- add agent skill CRUD UDFs (#2595)
- build workspace chat artifact shell (#2783)
- support custom AWS regions in AWS UDFs (#2790)
- serialize restore expects (#2799)
Full changelog: 1.0.0-beta.49-rc.2...1.0.0-beta.49-rc.3