macOS occlusion tracking can wedge document.visibilityState at 'hidden' after display sleep and never fire another visibilitychange. The hidden- delivery gate then keeps dropping renderer-bound bytes for panes the user is looking at (field snapshot 2026-07-06, v1.4.124-rc.2.perf: 78MB dropped across 2 pane-level-visible ptys with a fully healthy transport), and every recovery path (window focus, system-resume relay, backlog recovery) re-ran syncHiddenRendererPtyDelivery only to recompute the same stale predicate — nothing could ever clear the gate. The user sees a frozen terminal; typing echo is dropped in main; only a reload recovers. Real user input while the document claims hidden is a physical contradiction: keystrokes and clicks only reach a focused, on-screen window. stale-document-visibility.ts latches that proof, runs each pane's existing visibilitychange resync (gate unhide + hidden-output snapshot restore), and hands authority back to the occlusion tracker on the next genuine visibilitychange. No timers; the failure bias is safe — a wrong latch can only restore pre-gate delivery cost, never drop bytes. Hot path unchanged: the foreground predicate still returns on the same single comparison while the document is visible. tests/e2e/terminal-stuck-occlusion-recovery.spec.ts pins the wedge (visibilityState pinned hidden -> output dropped, not painted; the hiddenDeliveryGatedVisiblePtyCount field discriminator reads >0) and the recovery (one Shift keypress repaints the missed output from the main-owned snapshot, no reload, while visibilityState still reads hidden). Negative control verified: the spec fails without this fix. Typing-latency perf gate passes; terminal-pane unit suites 366/366. Co-authored-by: Orca <help@stably.ai>
Orca
Español · Português · 中文 · 日本語 · 한국어
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 0.0.22
Community & Support
-
Discord: Join the community on Discord.
-
Twitter / X: Follow @orca_build for updates and announcements.
-
WeChat: Scan the QR code to join the community.
-
Feedback & Ideas: We ship fast. Missing something? Request a new feature.
-
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.
License
Orca is free and open source under the MIT License.










