Theme System and Sub-Agent Usability

Highlights

• Added light/dark theme support across key product surfaces.
• Improved sub-agent behavior for alert analysis and troubleshooting workflows.
• Tool-call visualization gained safer fallback rendering when structured data is not compatible.

Connectors and Runtime

• Expanded and stabilized connector behavior across GitLab, Linear, ClickHouse, Jenkins, and New Relic related flows.
• E2B sandbox integration and lifecycle handling were strengthened in this release window.
• Provider visibility and connector display logic were optimized for SaaS deployment differences.

Quality Fixes

• Multiple fixes for chat upload rendering, loading status consistency, and i18n display issues.
• Caspaw and channel-message behaviors were adjusted for better private-chat readability.

Notes

• This entry is based on the 1.2.0 release note (2026-03-17) and release/1.2.0 code history in castrel-ai.