The two common crashes are these threads:
(1)
Crashed Thread: Dispatch queue: PDFThumbnailRenderingController_SharedThumbnailOperationQueue (QOS: UNSPECIFIED)
Exception Type: EXC_BAD_INSTRUCTION (SIGILL)
with
Exception Codes: 0x0000000000000001, 0x0000000000000000
or
Exception Codes: KERN_INVALID_ADDRESS at 0x…
(2)
Crashed Thread: Dispatch queue: com.apple.root.user-initiated-qos
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x…
I have so many in my Console log, I could feed the pigs with them.