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On Feb 1, 2024, at 11:53, Gabriel Zachmann <zach@cs.uni-bremen.de> wrote:

NSRegistrationDomain The domain consisting of a set of temporary defaults whose values can be set by the application to ensure that searches will always be successful.

Yes. Remember that registered defaults DO NOT appear in the on-disk defaults. They’re only used in-memory in case you ask for a default that the user hasn’t actually set/changed.

I noticed something rather curious: my screensaver continues to run, even though I quit System Settings. But I can see messages from my screen saver appearing in the log even a long time afterwards. Could that be related to me problem with the persistence of the settings?

That’s a new bug Apple gave us. I’ve reported it, but you should too so it gets some attention. I’ve changed to doing most of my “shut down” code in response to the screensaver stopped notification (not at a computer right now to say what it actually is) to work around that glaring bug. I’m guessing they forgot that people will still use normal screensavers and not just their new “It’s a desktop! It’s a screensaver! It’s both!” thing. If you’re caching values from defaults in some variable/property of your screensaver view, it could be that the view never actually gets deallocated. I’d suggest adding LOTS of logging all over your code. Use something like a #define LOG(s) etc so you can turn it on and off with a compiler directive and not have to put in dozens of #ifs. Put them on each method entrance and exit, log display names, log user defaults, everything. Then you can filter on your screensaver’s name in Console, start the log in Console, then start your screensaver, stop it, stop logging, and see what’s going on. Steve via iPad _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/site_archiver%40lists.appl... This email sent to site_archiver@lists.apple.com