Font features break line drawing

[registerGen]

trafficstars

Windows Terminal version

1.15.2003.0

Windows build number

10.0.22000.0

Other Software

No response

Steps to reproduce

Modify the config file as below:

Expected Behavior

Unicode isn't broken.

Actual Behavior

[registerGen]

The font can be downloaded from here.

[zadjii-msft]

Huh. I wonder why stylistic set 0 would break line drawing like that. Maybe we're just disabling the scaling for line drawing characters whenever a stylistic set is picked? Or maybe ss01 in Delugia has the line drawing characters specifically drawn to avoid merging them across lines.

I wonder if this repros for the Cascadia family, or any other fonts...

[registerGen]

I tried many stylistic sets of Cascadia Code and Delugia, this all repro-ed.

But if Fira Code is used, this won't happen.

[lhecker]

Unless I'm testing incorrectly, this issue doesn't seem to occur with AtlasEngine, after #13549.

[registerGen]

Well this issue still occurs in the latest release yesterday, but the "gap" is much unnoticeable now.

[lhecker]

I'm glad it's much better! Very slight gaps are something I've also noticed myself for fonts that aren't particularly pixel-perfect, but I haven't had time to investigate it further yet. This is the worst that I could produce myself (magnified 400%):

Yours seem to be the exact same kind, which means I can reproduce and thus hopefully fix it.