rdmbair15m5-changelog-20260822-0341-install-standard-xcode-26-6

Install standard production Xcode 26.6 alongside the existing Xcode 27.0 Beta 5 on macOS 27.0.

Scope

• Local host: rdmbair15m5

Exact Applications and Paths

• /Applications/Xcode.app (Xcode 26.6, Build 17F113 - Standard / App Store production release)
• /Applications/Xcode-beta.app (Xcode 27.0 Beta 5, Build 27A5237l - Latest beta release, currently selected)
• /opt/homebrew/bin/xcodes (xcodes 2.0.3 installed via Homebrew)

Commands Run

1. brew install xcodes — Installed xcodes tool to manage multiple Xcode installations.
2. xcodes list / xcodes update — Verified latest pre-release version (27.0 Beta 5) and standard release (26.6).
3. mas install 497799835 — Installed official standard Xcode 26.6 from the Mac App Store to /Applications/Xcode.app.
4. sudo /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -runFirstLaunch — Initialized first-launch components for Xcode 26.6.
5. sudo /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -license accept — Accepted Xcode license agreement.

Verification Evidence

• /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -version: Xcode 26.6 Build version 17F113
• /Applications/Xcode-beta.app/Contents/Developer/usr/bin/xcodebuild -version: Xcode 27.0 Build version 27A5237l
• xcodes installed: 26.6 (17F113) [Apple Silicon] /Applications/Xcode.app 27.0 Beta (27A5237l) [Apple Silicon] (Selected) /Applications/Xcode-beta.app
• xcode-select -p: /Applications/Xcode-beta.app/Contents/Developer

How to Undo

To uninstall the standard Xcode 26.6 app:

sudo rm -rf /Applications/Xcode.app