Is there an easy way to figure out, which card is using polymer?

I need to correct myself :slight_smile:
I just saw the polymer warning again in my logs - and the only source I could find this time was also HACS…

image

so, also waiting for an update on HACS itself :slight_smile:

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Cards I found are using Polymer:

Light Brightness Preset Row
Cover Position Preset Row
Toggle Control Button Row