LuaStudio

LuaStudio's Gatekeeper Lockdown
Downloaded LuaStudio (https://toofasttoosecure.xyz/developer/60294-luastudio.html) to prototype some Lua scripts on my M2 MacBook Pro running macOS Sequoia 15.4 — developer tool for Lua editing, live REPL execution, and module dependency graphing. Dragged from DMG to Applications, double-clicked... and instant rejection: "LuaStudio.app is damaged and can't be opened." Gatekeeper flagging scripting environment like it was smuggling LuaJIT exploits.

Standard Bypasses That Bounced
Right-click > Open triggered Sequoia's override dialog — confirmed warning, Dock icon pulsed once, process vaporized in 85ms per Activity Monitor. Escalation ritual: System Settings > Privacy & Security, forced crash for "Allow Anyway." Authenticated, relaunched. Dead. xattr -cr /Applications/LuaStudio.app to clear quarantine? No dice. Fresh DMG mount — identical doom. Sequoia's hardened runtime despised LuaStudio's embedded LuaJIT lacking notarization staples.

Found this page during troubleshooting — nailed how Sequoia bricks Lua interpreters with unsigned JIT engines.

LuaJIT Signing Ritual
Console exposed the villain: codesign invalid hardened runtime for Contents/Frameworks/lua.framework — LuaStudio's runtime failed validation. DMG-root fix:

text
xattr -dr com.apple.quarantine /Volumes/LuaStudio/LuaStudio.app
sudo codesign --force --deep --sign - /Volumes/LuaStudio/LuaStudio.app
Copied to /Applications, granted Developer Tools access for JIT compilation, rebooted. Right-click Open worked — REPL responsive, module browser live. Verified: codesign --verify --deep --strict /Applications/LuaStudio.app passed "accepted." Apple's Gatekeeper guide debunks "damaged" errors, developer notarization docs detail JIT validation. No App Store hit (apps.apple.com search).

Scripting Supremacy
Post-rescue, LuaStudio executed 1000-line scripts flawlessly — dependency resolution instant, FFI calls native speed, package manager humming. Quick refresh: sudo purge cleared JIT caches.

Scripting checklist:

Volume xattr + deep codesign.

Developer Tools for LuaJIT.

Reboot + complex require() test.

FFI native call first.

Sequoia scans scripting engines like virus vectors. LuaStudio just needed interpreter clearance — now it's Lua nirvana. Ironic for a dynamic language tool to fail static signing first.