@janiversen Sorry for the tag, saw this in my logs:
Logger: homeassistant.loader
Source: loader.py:794
First occurred: 1:45:23 PM (1 occurrences)
Last logged: 1:45:23 PM
No 'version' key in the manifest file for custom integration 'slack'. As of Home Assistant 2021.6, this integration will no longer be loaded. Please report this to the maintainer of 'slack'