The three keychain errors that were all the same missing command
I lost the better part of a day to headless code signing, and the whole time I thought I was fighting...
Tag archive
I lost the better part of a day to headless code signing, and the whole time I thought I was fighting...

Learn how to set up and leverage Xcode Cloud for seamless CI/CD, automating builds, tests, and distribution for your iOS applications.
GitHub bumped the operating system underneath its public-preview Xcode 27 runner image from macOS 26 to macOS 27, per the September 10 changelog. The runner labels stay the same, so the OS shift lands on the next job that requests them, with no workflow edit.
Upload finishes, then the rejection email arrives: ERROR ITMS-90035: "Invalid Signature. A sealed...
Originally published on feeds.bar, August 2026. Our ShazamKit feature worked in every debug build...
If you've hit this exact banner, you already know it tells you almost nothing. "Exporting for App...

Learn to identify and fix performance bottlenecks in iOS apps using Xcode's Instruments, focusing on CPU, memory, and leak detection.

Learn how Xcode Build Configurations and Schemes help manage different app environments (Dev, Staging, Prod) by customizing build settings, API endpoints, and app behavior.
3 Xcode coding agents compared in 2026: Claude vs Codex vs Gemini for iOS teams Summary....

If you write Swift, you already know Xcode's Source Control menu is... fine. Fine for a commit here...
GitHub Actions added an Xcode 27 image in public preview on its arm64 macOS runners. The bigger shift is buried in the changelog: images are now keyed to the Xcode major version instead of the OS, one Xcode per image.
There's a new standardization layer in the agentic-coding stack, and it's a good one: the Agent...