planColdActivationTabDeferral can install an empty allowed set, deferring every
tab so the pane filter renders none. The drain that undoes that,
useActivationDeferredTabAdmission, depends only on backgroundMountRevision and
renderedActiveWorktreeId while reading the deferred set from a mutable ref, and
the install bumps neither: the only revision producers are the drain itself and
the background-mount event path, which the activation plan never reaches.
So this pass strands the workspace with zero panes: the worktree is already
rendered-active while the startup gate is closed, which resets
lastActivationWorktreeIdRef, then the gate opens on the same worktree and
installs a plan. Nothing re-runs the drain until the user switches workspaces
and back. The hook's own comment anticipates this launch shape and relies on
re-reading on growth, but that re-read only happens on a dep change.
applyTerminalColdActivation now returns activationDeferralPlanRevision, backed
by a ref in the parking foundation and incremented only when the plan actually
installs, which the admission effect takes as a dep. A ref rather than state
because the pass runs during render, where a setState would be a render-phase
update.
The 4-tab admission cap is deliberately untouched: it reproduces the warm set
an eager activation used to mount, so steady-state pane and WebGL-context
population is unchanged.
Ablated: with the change reverted the new suite's drain case fails on the
deferred set surviving the timers; the precondition and the away-and-back
control pass either way.
Co-authored-by: Merge Sim <sim@local>
(cherry picked from commit 353a1c8038)
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 0.0.48 · Install guide
Community & Support
-
Discord: Join the community on Discord.
-
Twitter / X: Follow @orca_build for updates and announcements.
-
WeChat: Scan to join the Orca community WeChat group 8. Group 8 may be full; if so, scan the Group 9 QR code instead.
-
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.
The relay that pairs the mobile app with a desktop host is also in this repository under
cloud/, with a separate pnpm workspace and setup 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.












