If possible don't upgrade to MacOS Monterey until Apple fixed bluetooth core.
I'll downgrade (re-install) to the previous MacOS.
paulkiman
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Another thread reporting bluetooth core issues: https://developer.apple.com/forums/thread/694146
The issue can be still reproduced on macOS Monterey 12.2.1.
The issue can be still reproduced on Monterey 12.2. Apple has not respond to my bug report.
Apples Motto: Move fast and break things, they got the money, you the bill.
You could control the size of WAL file by setting sqlite PRAGMA Options.
NSDictionary * options = @{
				NSMigratePersistentStoresAutomaticallyOption:@YES,
				NSInferMappingModelAutomaticallyOption:@YES,
				NSSQLitePragmasOption:@{ @"journal_mode" : @"WAL", @"journal_size_limit" : @"20000" }
};