In console this output is observed

Traceback (most recent call last):
File "/usr/lib64/calibre/calibre/gui2/library/views.py", line 822, in contextMenuEvent
sort_added = tuple(ac for ac in self.context_menu.actions() if ac is sac.qaction)
AttributeError: 'BooksView' object has no attribute 'context_menu'
fish: Job 1, “calibre” terminated by signal SIGABRT (Abort)

In 2.35.0-r2 this behavior is not observed