Okay, I just pushed a release and notarized. Works great on my test laptop (macOS 26.2) and my test desktop (macOS 14.x) But it seems to fail for a friend who's running macOS 15. I've been using the same GitHub actions successfully for months. How can notarization work for macOS 14 and 26, but not for macOS 15? I think everything looks okay as far as the signing? I've checked codesign -dvv Executable=/Applications/Avogadro2.app/Contents/MacOS/Avogadro2 Identifier=cc.avogadro Format=app bundle with Mach-O thin (arm64) CodeDirectory v=20500 size=11607 flags=0x10000(runtime) hashes=352+7 location=embedded Signature size=8986 Authority=Developer ID Application: Geoffrey Hutchison (…..) Authority=Developer ID Certification Authority Authority=Apple Root CA Timestamp=Feb 5, 2026 at 8:47:21 PM Info.plist entries=24 TeamIdentifier=….. Runtime Version=15.5.0 Sealed Resources version=2 rules=13 files=3306 Internal requirements count=1 size=172 And from spctl -a -vv /Applications/Avogadro2.app: accepted source=
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