Arrow ligature (`=>`) misalign in V7.3 of hinted font

[userlond]

There are 2 samples below, captured in Windows 10, latest PHPStorm. Both fonts are 14px, semibold, TTF-AutoHint version.

V7.3

V7.2

In V7.3, when I type "=" and next ">", "=" symbol remains the same. In V.7.2 distance between lines of "=" increases to perfectly match arrow end.

VSCode and Sublime text has the same problem.

P.S. Thanks for great coding font!

[subframe7536]

This seems to be a hint issue. Do the other equal arrows, like ==> or =>=, have the same alignment problem?

[userlond]

Yes, they have the same problem.
For example in VSCode (the same in PHPStorm):

I've noticed that problem disappears if I set non standard zoom.
VSCode (one "Zoom In" applied):

PHPStorm (Zoom 125%):

My monitor is 1920x1080, system zoom is 100%.

[subframe7536]

Thanks, I'm sure that the issue is caused by font hint. Can you also test Fira Code with =>? The new infinite arrow ligatures are inspired by it.

Also, there is a way to rollback v7.2's effect, but the infinite arrow ligature will be removed. Docs

[userlond]

Fira Code in VSCode:

I've recorded the extact moment, when switch font from Fira Code into Maple Mono in VSCode:

Thank for suggestion to tweek ligatures with custom build. The issue is not frustrated, so I'll stick with V7.3 defaults.

[userlond]

Added direct compare of V7.2 and V7.3 in VSCode to make problem clearer for newcomers:

[subframe7536]

Can you test if =<= rendered correctly in this version?

MapleMonoDebug-Regular.ttf.zip

[userlond]

It still has issues with arrow ligatures:

[subframe7536]

My bad. How about <== ?

[userlond]

[subframe7536]

Well, I was thought that this issue is similar to #518 , but it seems not.

[subframe7536]

Is <--- also misalign?