Alexey Ten

First solution is for good apps that use fonts-config. But some apps (notably VSCode, Firefox and Chrome) don't use fonts-config and in this case the only solution is to freeze...

Yea, I meant that you can't control these apps with fonts-config. So either they have their own way to choose font features (VSCode) or you have to freeze features. For...

This looks like a Firefox issue. Happens for me too in Ubuntu on some other fonts too. E.g. JetBrains Mono  Cascadia Code  MonoLisa  D2Coding Ligature...

I would say none of them improves readability.

@M-r-A you could use instructions from Fira Code https://github.com/tonsky/FiraCode/wiki/How-to-enable-stylistic-sets

@Firestar-Reimu Cyrillic `С` is the most troublesome because default Russian layout has it on the same key as Latin `C` so it's easy to mistype without notice. 

Is it really a problem? I mean why would one write `-->` instead of `-- >`? I've seen only one case where it was somewhat appropriate: `while (x --> 0)...

А есть конкретные примеры?

> Also, since the bash script install fnm under `$HOME/.fnm` I don't understand why on Windows in installed under `%APPDATA%/fnm`. It should be, by default, under `%HOMEPATH%/.fnm`. The homepath approach...

https://github.com/Schniz/fnm/blob/master/docs/commands.md See `--version-file-strategy` option.