Daikin AC temperature sensors(Both indoor and outside) lost readings after upgrading core from 2021.6.4 to 2021.6.6

Third party integrations
1

Alright, seems to be a known issue from 2021.6.5 to 2021.6.6 so far.

Rollback to 2021.6.4 or wait for the next release to get rid of the problem.