Lovelace themes custom-ui

HI,

Only just started with Lovelace, please allow this theming question:

Most of my customizing set in custom-ui works.
A remarkable off is theming in front-end cards, whilemore-info does apply themes correctly:

example:

frontend: 11

more-info: 58

as you can see the _stateDisplay is set correctly in both views, so that is compatible.

maybe there’s a new way of doing things in Lovelace, but I hope this can be made compatible somehow?

still nothing on this?

its a remarkable issue. I raise this in HA and custom-ui GitHub.

theme set in custom-ui not recognized in Lovelace

sensor.huidig_tarief:
  templates:
    icon: >
      if (state === '1') return 'mdi:numeric-1-box-multiple-outline';
      if (state === '2') return 'mdi:numeric-2-box-multiple-outline';
      return 'mdi:fire';
    theme: >
      if (state === '1') return 'green';
      return 'orange';
    _stateDisplay: >
       if (state === '1') return 'Laag';
       return 'Hoog'; 

Lovelace:
06

Regular HA
14