How do I enable core dumps, persistently, in Big Sur. I am more versed in *nix/linux than macOS. I've had a few apps core dump, and see in the 'Console' that they are not permitted to create core files. I've tried 'ulimit -c unlimited' but this hasn't been perspective - perhaps in part as I'm unsure how to get this persistent for all apps (even outside a login shell) on Big Sur. Is there a simple guide to allowing core dumps ie into /cores as I was able to get that working in previous releases...

When using STP 126 on both Monterey beta 1 & Big Sur 11.4, a 'tab group' created in STP is not saved (ie if browser restarts it's gone), nor does it appear to be synced across to iOS or Safari 15 (either direction). There's no indication in the release notes this is intentional. Does anyone have even saving working, let alone sync? The tab groups are a wonderful idea - I played with them for a while on Monterey but need my main dev box on Big Sur for now, so was hoping STP would keep me happy :-) Also raised a feedback: FB9219350

I am getting regular kernel panics. I have a Kern*.panic file, and a .contents.panic These files now contain a 'macOSProcessedStackshotData' and so are encoded. I'm a dev, but not familiar with Apple Kernel debugging (though I've done this before on windows/aix/linux). How can I get some simple info from the panic, such as kernel backtrace, loaded drivers etc? Ideally I'm looking for a few points to specific drivers (maybe I can unplug a device) or situations I can avoid

With beta 1, I can go into settings->network->wifi->advanced & have a selectable option per network 'use iCloud Private Relay' I also have an ethernet adapter, Belkin USB-C LAN . If I selet this I see no options for private relay (nor under advanced) I guess it's not implemented for lan?