This release includes a stability improvements that are recommended for all users.
This is a “hotfix” release, meaning it includes a specific fix for an issue that could cause a broken experience. It should be a super smooth update but, as always, please backup your site and database as you would with any other WordPress update.
This error only occurred when the ticket sale date starts in 2020 and ends in 2021.
Props to Raju Mandapati for the initial in-depth debugging that helped us get this fix out so quickly!
The issue was isolated to saving tickets in the Classic Editor, occurring when the ticket sale date starts in 2020 and ends in 2021.