have they corrected the issues with battery drain on ios 16.5 yet?

There were no battery issues in any recent update.

You may be running poorly tested third party software like VPN however.

There`s a battery issues with 16.5 and icloud backup and whatsapp chats backups :(

I just checked my backups and they seem up to date. battery graphs normal. More sunshine this week so the battery runs down faster outside.

have they corrected the issues with battery drain on ios 16.5 yet?

"They" have not confirmed that an issue exists to correct, to keep things in perspective.

search YouTube for Brandon Butch on 16.5 - Battery life has improved according to his tests.