Bug with button text and bold formatting?

Hi there,

I maybe (?) found a little bug using gb button, could anyone help me to find out the issue please ?

Here is the thing : I want to display a button with a text with 2 lines and one line is bold like this :

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It’s working when there is no bold formatting, but it appears that when using bold on second line it makes the text one line…

Don’t know if it’s clear but here the result :

Thanks for your help

Strange one, any chance you can link us to an example?