From https://www.sqlite.org/releaselog/3_39_2.html

#1 Apply fixes for CVE-2022-35737
#2 Chromium bugs 1343348 
#3 and 1345947
#4 forum post https://sqlite.org/forum/forumpost/3607259d3c

> This bug goes back almost 8 years to check-in ddb5f0558c445699 on 2016-09-07, 
> version 3.15.0. On the other hand, the problem only comes up if you cmpile with 
> -DSQLITE_ENABLE_STAT4. The STAT4 requirement means that most applications are 
> unaffected by this problem.

#5 and other minor problems discovered by internal testing.