Show entity last state change

[FPro (Florian)]

Persistent version of "last-changed" for the UI?

Something that has always annoyed me is how the “last-changed” attribute is handled after a restart. I understand why it’s changing as it’s technically unavailable but it’s not very helpful when you’re using it in the UI. On my security dashboard I only really care about the time a window state changed from on/off, not the fact that HA restarted and changed all my windows to 1 minute ago… What’s the likelihood of a new “last-changed” attribute that persists state between restarts so I don’t nee…