I happen to know my previous installed version is always “the” previous version (because of how I automate my updates)
Not sure if there’s a log, though, if you use the web UI
February 27, 2020 at 09:05PM
via reddit https://www.reddit.com/r/Wordpress/comments/fan2wd/is_there_a_wordpress_upgrade_log_that_keeps_track/fiz6tah?utm_source=ifttt