Here is a picture that demonstrates the problem. On the left is Firefox and on the right Thorium (Chromium). I've had this problem on Windows before but now I'm using Linux and it's the same unfortunately.
Here is a picture that demonstrates the problem. On the left is Firefox and on the right Thorium (Chromium).
If I'm understanding that screenshot correctly, it looks like Thorium (Chromium) is ignoring the text values and bolding any of them at the max bolding value, where Firefox respects the text values and bolts off of that just slightly.