Release v0.23.0 · coder/xum

Features

Archive Improvements — snapshot-based worktree cleanup on archive, configurable Coder workspace action (keep/stop/delete), and a destructive confirmation for untracked-file failures
Left Sidebar Redesign — tighter indentation, aligned status dots + sub-agent connectors, hover-only project row actions, subordinate workspace counts

Optimized Immersive Review performance on large diffs
Optimized SSH workspace creation on slow local connections
- Replaced git bundle with native git push + delta negotiation
- Sharded OpenSSH exec paths for parallel sync
- Prefetches origin on SSH host before local→remote push
Sorted tool definitions deterministically for prompt cache stability
Avoided extra Anthropic cache breakpoints with explicit TTL

Fixed multiple cases where the chat transcript would vertically tear on chat switches
Preserves all init logs across workspace switches
Restores last page and open chat on hard refresh
Restored Cmd+. agent cycling on macOS
Reattaches loaded skills after compaction
Fixed attach_file on macOS (unpacked sharp runtime assets) and added raster image scaling
Restored archived workspaces with persisted branch mappings
Stripped leading/trailing newlines from quote input text

Removed the built-in "Chat with Mux"
- Our goal is to replicate the capabilities of this chat in regular chat sessions
Removed Auto mode