If I’m right the app/firmware updates are published @ timeline.
(But that’s useless in case you want to use a search function or if it was published longer than several days ago).
For apps:
In the app store, follow the “changelog” link to see the actual dates:
For firmware:
- Homey (Pro) 2016-2019: this forum topic
- Homey Pro 2023 / Mini: this forum topic
- All Homeys (but Homey Cloud): Slack #Homey channel
Example:
