https://macfix.org/dev-setup/ dev-setup — MacFix https://macfix.org/dev-setup/xcode-error-65-code-signing/ https://macfix.org/dev-setup/xcode-error-65-code-signing/ Xcode error 65 is a generic exit code, not a specific fault — on Apple Silicon it's usually an arm64 simulator architecture mismatch. Here's how to isolate it. Tue, 08 Sep 2026 00:00:00 GMT https://macfix.org/dev-setup/xcode-command-line-tools-broken-after-update/ https://macfix.org/dev-setup/xcode-command-line-tools-broken-after-update/ Invalid active developer path in Terminal means the Xcode Command Line Tools path broke after a macOS update, not a permissions issue. Fix it with one command. Mon, 07 Sep 2026 00:00:00 GMT