There are several ArcGIS Pro 2.3 crash threads, and I'm adding another one just as an FYI. I'm getting ArcGIS Pro 2.3.1 to crash consistently when I select a record in a table that has Automatically select related data turned on. I have a small summary table (10 records) that is related to a table of 5600 +- records (1 to Many). I don't get the crashes when I manually toggle the Related Data option:

(this method seems to work just fine...)
Kory Kramer