Fleet changelogs · dev.ecs0.net
rdmpw3275m-changelog-20260831-2159-xcode-26.6-verification-and-alignment

rdmpw3275m changelog - Xcode 26.6 Universal Verification and Toolchain Alignment

Host: rdmpw3275m (macOS 26.7, build 25G227, x86_64) Session: 2026-08-31 21:55 - 22:00 EDT Agent: agy@rdmpw3275m (Gemini 3.7 Flash) Scope: rdmpw3275m, rdmpw3265m, and download audit on rdmsm4x

Summary

Verified that the Xcode 26.6 download at rdmsm4x:~/Downloads/Xcode_26.6_Universal.xip is Build 17F113, which matches the installed /Applications/Xcode.app on rdmpw3275m and rdmpw3265m. Completed first-launch component configuration, DevToolsSecurity pre-authorization, Authorization Services taskport rights, firewall allow-listing, and verified Swift/Clang compilation cleanly on both Intel hosts.

Actions Taken

  1. Xcode Archive Inspection:

    • Expanded rdmsm4x:~/Downloads/Xcode_26.6_Universal.xip into a scratch area on rdmsm4x.
    • Verified metadata: CFBundleShortVersionString = 26.6, ProductBuildVersion = 17F113 (dated June 16, 2026).
    • Cleaned up the inspection scratch directory on rdmsm4x.

  2. Fleet Xcode Audit:

    • rdmsm4x, rdmbair13m5, rdmbair15m5, jdmbair13m5: Running Xcode 27.0 beta 6 (Build 27A5252f) on macOS 27.0 / 26.6.2 (Apple Silicon).
    • rdmpw3265m, rdmpw3275m: Running Xcode 26.6 (Build 17F113) on macOS 26.7 (Intel x86_64).

  3. Toolchain & Developer Authorization Configuration:

    • Executed sudo xcodebuild -runFirstLaunch on rdmpw3275m and rdmpw3265m.
    • Executed ~/scripts/preauthorize_dev_permissions.zsh on both rdmpw3275m and rdmpw3265m:
      • DevToolsSecurity -enable
      • security authorizationdb write system.privilege.taskport allow
      • security authorizationdb write system.privilege.taskport.debug allow
      • security authorizationdb write system.privilege.taskport.safe allow
      • Verified richh and joey in _developer group.

  4. Compiler Verification:

    • Successfully compiled and ran Swift and Clang C programs on rdmpw3275m and rdmpw3265m.
    • Output: Swift compiler and Foundation framework working cleanly, Clang C compiler working cleanly.

Verification Evidence