Release Feb 19

This release brings shareable session links, multi-agent fixes, Codex support in Beta, and performance improvements.

Major New Features

Shareable Session Links

• Share AI sessions and markdown files as links
• Right click on a session or markdown and select share link
• Paste the link into slack, X, email to share with anyone
• Anyone with the link can see your session or markdown file
• Requires creating a free Nimbalyst account

Sub-Agent and Teammate Fixes

• Extension MCP tools now load in worktree sessions
• Teammate/background agent output no longer leaks into main transcript
• Asynchronous sub-agents and teammates now have their lifecycles managed properly

OpenAI Codex Integration (BETA)

Go to Settings -> Beta features and toggle these on if you want to use them

• Full SDK-based Codex provider
• Has most Nimbalyst features
• Does NOT yet support red/green diff, change tracking

Latest Claude Code models

• Sonnet 4.6 enabled
• Sonnet 4.6 with 1M context window can be enabled in settings for those who have access

New Features

• Auto-approve option for git commit proposals
• Auto-continue AI sessions after restart
• Enhanced quick open dialogs with cross-dialog navigation and file search
• New file creation rendered as syntax-highlighted preview instead of all-green diff
• Elapsed time shown at end of completed agent turns

Performance

• Virtualized session list for faster startup with many sessions
• Session list items no longer re-render unnecessarily
• Various other performance improvements for long session lists

Improvements

• File tree moves to the right file better
• Edit tool now shows red/green diffs after agent refactoring
• Drag-and-drop standalone sessions into workstreams
• Git commit widget shows actual commit date instead of render time
• @ mention file search now finds all workspace files
• Transcript scroll-to-bottom button now clickable
• Ctrl+` terminal shortcut works correctly on macOS
• Frontmatter UI appears immediately after Set Document Type
• Claude Code subprocess now receives full shell environment
• Global-scoped extension tools visible without an active file
• Excalidraw MCP tools always visible to Claude Code agents
• Dark mode variants now apply correctly to descendant elements

Other Fixes

• Sessions with more than 5000 messages now load fully
• Worktree path used correctly for git commit operations
• CRLF line endings normalized in markdown import (fixes mermaid/code block parsing)
• Database browser cell modal closes on Escape key
• Blocking prompt icon clears after commit and shows correctly in groups
• Prevented bulk sync from clobbering isExecuting and lastReadAt state
• Debounced session data reload during active streaming to prevent flickering
• YAML frontmatter stripped from markdown new-file previews