Welcome!

This site can give you an overview of breaking cahnges in Home Assistant releases.
To get breaking changes for a spesific release add the minor relase version at the end of the URL.

Generally a version are split in three "sections".
major.minor.patch it is the minor part you need to use here.

For version "0.85.0" this will be "85", examples:
https://hachanges.halfdecent.io/85
https://hachanges.halfdecent.io/85/json