1 points, 0 comments on Hacker News
GitHub Actions is GitHub's built-in CI/CD system — it spins up a fresh virtual machine, runs whatever commands you tell it to, and tears the machine down when it's done. It supports Linux, Windows, and macOS runners. The macOS runners are the interesting part here, because they're actual macOS ...
You push, the build runs, the archive and export steps succeed, the upload step succeeds, the workflow finishes green. You open App Store Connect to check on it and TestFlight shows... the previous build.
If you want to put an app on the App Store, Apple requires you to build and sign it with Xcode, and Xcode only runs on macOS. That's true no matter what you built the app with — Swift, React Native, Capacitor, Flutter, whatever. At some point, something running on a Mac has to sign the thing.
4 points, 0 comments on Hacker News
Tiny viruses that infect bacteria could one day help us tackle infections that antibiotics can no longer treat. But first, scientists need to understand how these viruses work, and artificial intelligence could provide them with a powerful way to do that.