In reality it had the unexpected side effect of causing macOS to refuse to launch 1Password properly.Ĭurrently, the common factor among affected apps appears to be those that were issued iCloud entitlements as part of their provisioning profile. We knew our developer certificate was going to expire on Saturday, but thought nothing of it because we believed those were only necessary when publishing a new version. The developers' surprise was explained in a blog post:
PDFPENPRO CRASHES UPDATE
AgileBits explained on Sunday that affected users would need to manually update to the latest version ( 6.5.5), noting that those who downloaded 1Password from the Mac App Store were unaffected.
PDFPENPRO CRASHES FOR MAC
Victims of expired provisioning profiles over the weekend included users of 1Password for Mac who had bought the app from the developer's website.
However, the profile is also signed using the developer's code signing certificate, and when the certificate expires, the provisioning profile becomes invalid. In the past, the expiration of a code signing certificate had no effect on already shipped software, but that changed last year, when Apple began requiring apps to carry something called a provisioning profile.Ī provisioning profile tells macOS that the app has been checked by Apple against an online database and is allowed to perform certain system actions or "entitlements". Developers of the apps quickly apologized and said that the issue was down to the apps' code signing certificates reaching their expiration date.Īpple issues developer signing certificates to assure users that an app they have downloaded outside of the Mac App Store is legitimate, comes from a known source, and hasn't been modified since it was last signed. Several users of apps including Soulver and PDFPen who had downloaded the apps from the developers' websites all reported immediate crashes on launch. A number of Mac apps failed to launch for users over the weekend because of a change to the way Apple certifies apps that have not been bought directly from the Mac App Store.
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