March 26 Release

Windows Improvements

• Auto-updater fixed -- Windows auto-update no longer rejects due to certificate mismatch; Windows users will need to go to https://nimbalyst.com and redownload and re-install Nimbalyst (after this auto-updater will work). Your data will be preserved.

Key Bug Fixes

• Image paste for large files -- Claude Code large image attachments restored
• Codex API key and subscription fix -- Removing a Codex API key now takes effect immediately; key is respected without breaking CLI auth; clear error messages on test connection
• Claude context usage accuracy -- Updated claude-agent-sdk to v0.2.81, fixing inflated token usage reporting; context window indicator now correctly shows "1M" instead of "1000k". Fixed an issue where the wrong context size would be shown after subagents are used

Improvements

• Default to Opus 4.6 (1M context) -- New users start on Opus 4.6 with 1M context window; existing Opus users auto-migrate
• Project quick open dialog -- Quickly switch between projects; Window menu discoverability improvements
• Sleep prevention mode selector -- Choose between off, always, or when plugged in
• Spellchecker toggle -- New setting to disable the spellchecker

Bug Fixes

• Worktrees -- New worktrees no longer show a false rebase count
• Claude Agent settings -- Setting toggles no longer collapse unexpectedly
• Files panel -- "All Uncommitted Files" mode no longer shows committed session files
• ExitPlanMode -- Now blocks for user confirmation instead of auto-allowing
• OS file opens -- Now route to the frontmost workspace window