Thank you for having a look, but I don’t think that’s the issue. Yes, the default figures are tabular and I don’t expect them to have kerning. The issue I have is with the bitcoin character against the proportional figures. Here’s some pairs during kerning. The bitcoin–seven.lf was manually set as a...

I have just sent you the file via email with some more findings.

I am having a hard time convicing Kern On to kern the bitcoin character with proportional figures, like this: ₿0 ₿1 ₿2 ₿3 ₿4 ₿5 ₿6 ₿7 ₿8 ₿9 By default, Kern On does not kern these pairs, so I have tried: 1. Setting them as user-set autopairs. 2. Making them independent pairs. 3. Making them model pa...