`schedulePaneRevealPresent` — the atlas-preserving path a plain window refocus takes — only called `terminal.refresh()`. xterm's renderers are diff-based: `_updateModel` early-continues on any cell whose code/fg/bg/ext still match the cached model, so a refresh repaints nothing for a pane whose buffer never changed. When an occluded window loses its canvas contents while that model stays populated, the refresh skips exactly the cells that went stale and the pane keeps compositing pre-hide pixels — until a window resize reallocates the model, which is the repair users find by hand. Clear the model first (`RenderService.clear()` → renderer `clear()` → `_clearModel(true)`) so the refresh becomes a guaranteed full repaint. That drops cached cells and glyph vertices but NOT the texture atlas, which is shared by every same-config terminal and whose mid-stream wipe re-arms xterm's page-merge garble race (xterm.js #4480) — the reason this path is atlas-preserving in the first place. Also covers the DOM-renderer fallback in `resetWebglTextureAtlas`: `clearTextureAtlas()` is what invalidated the model on the WebGL path, so a pane without an addon had nothing invalidate it and hit the same skip. Scope note: the e2e spec guards buffer/geometry convergence across the hide/reveal boundaries and adds idle-agent and headful desktop-hide cases, but it cannot observe a stale canvas — both oracles built for that (canvas-vs-buffer ink sampling, screenshot-vs-forced-repaint) were proven blind by injecting the defect, and the spec header documents why. The unit tests pin the ordering and the atlas-preservation invariant. Refs STA-2694. Co-authored-by: Orca <help@stably.ai>
Orca
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The AI Orchestrator for 100x builders.
Run Codex, ClaudeCode, OpenCode or Pi side-by-side — each in its own worktree, tracked in one place.
Download Orca
Features
Also in the box:
- Quick open — Search across worktrees, files, agents, commands, and repo context without leaving your flow.
- Account switcher & usage tracking — See Claude and Codex usage and rate-limit resets, and hot-swap accounts without re-logging in.
- Rich repo previews — Preview Markdown, images, PDFs, and repo docs in the workspace.
- Computer Use — Let agents operate desktop apps and visible UI when a workflow needs real interaction.
- Notifications and unread state — Know when an agent finishes or needs attention, then mark threads unread to come back later.
- And many, many more — we ship daily, so this list is perpetually behind. The changelog is the real feature list.
Supported Agents
Works with any CLI agent — if it runs in a terminal, it runs in Orca.
Claude Code
Codex
Grok
Cursor
GitHub Copilot
OpenCode
MiMo Code
Amp
OpenClaude
Antigravity
Pi
oh-my-pi
Hermes Agent
Devin
Goose
Auggie
Autohand Code
Charm
Cline
Codebuff
Command Code
Continue
Droid
Kilocode
Kimi
Kiro
Mistral Vibe
Qwen Code
Rovo Dev
+ any CLI agent
Install
Desktop — macOS, Windows, Linux
- Download from onOrca.dev
- Or grab a build directly: macOS Apple Silicon · macOS Intel · Windows (.exe) · Linux AppImage · All builds
- Running
orca serveon a headless Linux server? See the headless Linux server guide.
Or via a package manager:
# macOS (Homebrew)
brew install --cask stablyai/orca/orca
# Arch Linux (AUR) — or stably-orca-git to build from source
yay -S stably-orca-bin
Mobile Companion — iOS, Android
Pair with your desktop app to monitor and steer your agents from your phone.
- iOS: Download on the App Store or join TestFlight
- Android: Download APK 0.0.32
Community & Support
-
Discord: Join the community on Discord.
-
Twitter / X: Follow @orca_build for updates and announcements.
-
WeChat: All other groups are full, now we're on group 5.
-
Feedback & Ideas: We ship fast. Missing something? Request a new feature.
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Privacy: See the privacy & telemetry docs for what anonymous usage data Orca collects and how to opt out.
-
Show Support: Star this repo to follow along with our daily ships.
Developing
Want to contribute or run locally? See our CONTRIBUTING.md guide.
Signed Builds
Windows code signing sponored/provided by SignPath.io, certificate by SignPath Foundation.
License
Orca is free and open source under the MIT License.










