Hi, I'm having the same issue as this thread https://forum.zeroheight.com/d/964-different-font-weight-between-figma-zeroheight.
My style guide is here:
Also, font variants aren't displaying or linking properly. I have an expanded version of a font that I uploaded and it's not picking it up correctly or showing it in the style guide right.
Thanks for getting in touch and sorry to hear about this.
I can see that you've already emailed our Support team and they're currently looking into this for you.