Hello everyone. We have something similar, a crash in WidgetExtension. Report says:
Exception Type:	EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note:	EXC_CORPSE_NOTIFY
Triggered by Thread:	0
Last Exception Backtrace:
0	 CoreFoundation								 0x1b00fc878 __exceptionPreprocess + 220 (NSException.m:199)
1	 libobjc.A.dylib							 0x1c4652c50 objc_exception_throw + 60 (objc-exception.mm:565)
2	 Foundation										 0x1b13ea7f4 _NSFileHandleRaiseOperationExceptionWhileReading + 280 (NSFileHandle.m:71)
3	 Foundation										 0x1b13ea25c _NSFileHandleRaiseOperationException + 20 (NSFileHandle.m:75)
4	 Foundation										 0x1b13a9d58 -[NSConcreteFileHandle fileDescriptor] + 56 (NSFileHandle.m:640)
5	 SwiftUI											 0x1b6bff814 FileArchiveWriter.appendBytes(_:size:) + 52 (ArchiveData.swift:160)
6	 SwiftUI											 0x1b6bffa88 FileArchiveWriter.append<A>(_:) + 200 (ArchiveData.swift:154)
7	 SwiftUI											 0x1b6bfef04 ArchiveWriter.addAttachment(data:) + 372 (ArchiveData.swift:79)
8	 SwiftUI											 0x1b6c010bc Encoder.encodeAttachedValue<A>(key:data:) + 460 (ArchiveData.swift:362)
9	 SwiftUI											 0x1b6fa07ac CodableCGImage.encode(to:) + 136 (CodableImage.swift:111)
10	SwiftUI											 0x1b6fa0c64 protocol witness for Encodable.encode(to:) in conformance CodableCGImage + 20 (<compiler-generated>:0)
11	libswiftCore.dylib						 0x1b3ffbcd8 dispatch thunk of Encodable.encode(to:) + 28
12	libswiftFoundation.dylib			 0x1b3b94b64 __PlistEncoder.box_<A>(_:) + 340 (PlistEncoder.swift:523)
13	libswiftFoundation.dylib			 0x1b3b95fb8 _PlistKeyedEncodingContainer.encode<A>(_:forKey:) + 492 (PlistEncoder.swift:508)
14	libswiftFoundation.dylib			 0x1b3b97184 protocol witness for KeyedEncodingContainerProtocol.encode<A>(_:forKey:) in conformance _PlistKeyedEncodingContainer<A> + 32 (<compiler-generated>:0)
15	libswiftCore.dylib						 0x1b3d17048 _KeyedEncodingContainerBox.encode<A, B>(_:forKey:) + 404 (Codable.swift:3732)
16	libswiftCore.dylib						 0x1b3d0b1ac KeyedEncodingContainer.encode<A>(_:forKey:) + 52 (Codable.swift:677)
17	SwiftUI											 0x1b6a2594c GraphicsImage.encode(to:) + 392 (GraphicsImage.swift:124)
18	SwiftUI											 0x1b6a26294 protocol witness for Encodable.encode(to:) in conformance GraphicsImage + 16 (<compiler-generated>:0)
19	libswiftCore.dylib						 0x1b3ffbcd8 dispatch thunk of Encodable.encode(to:) + 28
...
We are still investigating this crash. We definitely don't see our code at all.