No entity selector in automation action block or developer tools

I have multiple HA instances running in multiple properties, all working fine.
With one instance HAOS proxmox vm, currently running HA 2024.9, I have this weird issue for months that I don’t have an idea how to debug.
Tried updates, reboots, multiple browsers, mobile, desktop.
When adding an action you normally get the entity/device selector but on this HA setup those never show.
So I get this:


instead of

On the faulty home assistant I can still add the action in YAML mode:

Any pointers on where to look to fix this would be appreciated.

I’ve just noticed the same thing. Did you ever resolve it?

Edit - Nevermind - full HA reboot solved the issue.

nope, still no clue. Reboot doesn’t fix it in my setup…