atrium — Changelog
timeline — v0.239.0

Release

atrium v0.239.0

Brand-new agent chat: drive agents in a native chat pane.

v0.239.0Jul 19, 2026
Highlights
  • Brand-new agent chat: drive agents in a native chat pane — streamed replies, tool activity, approvals, and diffs — across Claude Code, Codex, Grok, OpenCode, Cursor, and more.
  • A redesigned, composer-first launcher: type your prompt first, then tune agent, model, effort, permissions, and launch profile in one place.
  • Switch any running agent between chat and terminal views mid-session without losing the conversation.
Added
  • Chat transcripts render rich markdown with collapsible tool-call groups, permission and question cards, plan mode, image attachments, rewind, and a per-session changed-files summary.
  • Chat sessions restore and resume with full history after restarts, and scheduled tasks can launch straight into chat panes.
  • Launch profiles gain a full editor — per-model effort options, permission modes, environment variables, and a chat-or-terminal surface choice — reachable from slash commands.
  • The terminal input adopts the same composer as chat and the launcher, with shell-style input history and slash-command autocomplete.
  • Panes can be resized from T-junction corners where three panes meet.
  • Chat sessions auto-title themselves, and transcripts can be copied or saved to a note.
Fixed
  • Projects are preserved across background service restarts.
  • Task launches that fail now say so immediately instead of appearing to start silently.
  • Agent-to-agent messages confirm delivery only once the receiving agent actually accepts the prompt.
  • Single-pane rooms show the pane's icon in the tab bar regardless of the room's name.