Can't get 'stack-in-card' to show up

I’ve installed ‘stack-in-card’ via HACS and have done everything in the way of restarting HA as well as reloading the browser. I can confirm it has been loaded into resources but I can’t use it for some reason. I had the same issue for vertical-stack-in-card. I must be doing something wrong but not sure what.

I have the same issue, downloaded through HACS and git but can not find it.

Did you find a solution. I have the same problem

If the stack-in-card is properly installed - try to add it manually from UI:

  1. Press “add card”.
  2. Select “manual”.
  3. Type a code.

Or much simpler:

  1. Add a standard vertical stack with your cards.
  2. Switch to yaml editor.
  3. Replace “type: vertical-stack” with “type: custom:stack-in-card”.

Many custom cards do not have own entry in “add card” dialog and thus should be added manually.
I am away from PC and cannot tell if stack-in-card has own entry in “add card”…