So you downloaded and installed a ‘silent’ security update. But how do you get it to work on your Mac? Isn’t that automatic too?
XProtect
SwiftUI, notarization, malware detection, and Time Machine for APFS: all look worryingly incomplete in Catalina. Are they a bit premature?
With recent privacy protection, notarization requirements, and extended checking of executable code, it’s getting more common for an app not to launch. What can you do when that happens?
Important changes for anyone distributing command tools in particular, and a good time to ensure you only ship signed and notarized apps if possible.
Look in Activity Monitor or the log, and you won’t find anything named Gatekeeper, is its a team of different systems, each of which can work on its own. Here’s the detail and a diagram.
First full release version, which conforms to macOS clearance convention, and lets you know which flags it has changed.
How this occurs, why, and what to do to manage the problem when it affects you. Complete with a visual summary and references.
Try using this workaround: it requires quick actions, and despite Apple’s promise, it only works until you next save the document.
This utility changes quarantine flags on documents as if XProtect had checked and cleared them, so they work normally again. First beta.
Full release of Sandstrip, a utility to remove the quarantine flags attached to documents by sandboxed apps.
The Eclectic Light Company 