Xcode 12.2 beta 2 crashes on launch

Downloaded latest Xcode. When I launch it, I get:

UNCAUGHT EXCEPTION (NSInvalidArgumentException): +[OAHSoftwareUpdateController updateIsInstalled]: unrecognized selector sent to class 0x106bd57c0

Stack trace:
0 _exceptionPreprocess (in CoreFoundation)
1 DVTFailureHintExceptionPreprocessor (in DVTFoundation)
2 objcexceptionthrow (in libobjc.A.dylib)
3 CFExceptionProem (in CoreFoundation)
4 forwarding (in CoreFoundation)
5 CFforwardingprep0 (in CoreFoundation)
6 +[IDERosettaUpdateController needToInstallRosetta] (in IDEFoundation)
7 -[IDEFirstLaunchExperienceViewController firstLaunchExperienceNeeded] (in IDEKit)
8 -[IDEFirstLaunchExperienceViewController showFirstLaunchExperienceModallyIfNecessary] (in IDEKit)
9 -[IDEWelcomeWindowController showFirstLaunchExperienceIfAppropriate] (in IDEKit)
10 -[IDEWelcomeWindowController openWelcomeWindowAfterFirstLaunchExperienceIfAppropriate:] (in IDEKit)
11 -[IDEApplicationController applicationOpenUntitledFile:] (in IDEKit)
12 -[NSApplication doOpenUntitled] (in AppKit)
13 _58-[NSApplication(NSAppleEventHandling) handleAEOpenEvent:]blockinvoke (in AppKit)
14 _90-[NSDocumentController(NSInternal) autoreopenDocumentsFromRecords:withCompletionHandler:]blockinvoke (in AppKit)
15 -[NSDocumentController(NSInternal) autoreopenDocumentsFromRecords:withCompletionHandler:] (in AppKit)
16 97-[NSDocumentController(NSInternal) autoreopenDocumentsIgnoringExpendable:withCompletionHandler:]blockinvoke3 (in AppKit)
17 -[NSDocumentController(NSInternal) autoreopenDocumentsIgnoringExpendable:withCompletionHandler:] (in AppKit)
18 -[NSApplication reopenWindowsAsNecessaryIncludingRestorableState:completionHandler:] (in AppKit)
19 -[NSApplication(NSAppleEventHandling) handleAEOpenEvent:] (in AppKit)
20 -[NSApplication(NSAppleEventHandling) handleCoreEvent:withReplyEvent:] (in AppKit)
21 -[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:] (in Foundation)
22 -[NSAppleEventManager(DVTAssertionOverrides) swizzleDispatchRawAppleEvent:withRawReply:handlerRefCon:] (in IDEKit)
23 NSAppleEventManagerGenericHandler (in Foundation)
24 0x00000001a6f2a114 (in AE)
25 0x00000001a6f29970 (in AE)
26 aeProcessAppleEvent (in AE)
27 AEProcessAppleEvent (in HIToolbox)
28 DPSNextEvent (in AppKit)
29 -[NSApplication(NSEvent) nextEventMatchingEventMask:untilDate:inMode:dequeue:] (in AppKit)
30 -[DVTApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (in DVTKit)
31 -[NSApplication run] (in AppKit)
32 NSApplicationMain (in AppKit)
33 start (in libdyld.dylib)