Persisent notifications and critical notifications

[e-raser]

Not necessary anymore for my use-case. Provided out of the box meanwhile.

How to access core and supervisor CPU + MEM usage (HA OS)

Update: since HA Core 2023.4 CPU + MEM of HA Core and HA Supervisor are finally available natively via the supervisor integration: The Supervisor integration now provides sensors containing the Home Assistant Core and Supervisor’s stats. Thanks, @ludeeus! BUT: once I switched to those, a) My CPU usage went up quite significantly (approx. 10 %) plus b) I find massive log entries of those: 2023-11-07 17:57:11.148 WARNING (MainThread) [homeassistant.helpers.entity] Update of sensor.home_as…