Slashed zero has a lower height in .ttf (static and variable) font formats compared to .otf(static)

[uRohan]

Cascadia family version

2111.01

Cascadia family variant(s)

Cascadia Code (the version with ligatures), Cascadia Mono (the version without ligatures)

Font file format(s)

.ttf (variable), .ttf (static)

Platform

Ubuntu 22.04.4 LTS

Other Software

Visual Studio Code 1.87.2
Visual Studio Code - Insiders 1.88.0-insider

What happened?

Visual Studio Code settings used:

{
    "editor.fontFamily": "'Cascadia Mono', Consolas",
    "editor.fontLigatures": "'ss19'",
    "editor.fontSize": 16,
    "workbench.colorTheme": "Default Light Modern",
}

Here's what it looks like:

• Using .ttf (static):

Screencast.from.03-24-2024.09.47.45.PM.webm

• Using .ttf (variable):

Screencast.from.03-24-2024.09.52.57.PM.webm

• Using .otf (static):

Screencast.from.03-24-2024.09.58.06.PM.webm

[Finii]

I believe this is a hinting problem, see also (just details, no solution)

• [CaskaydiaCove] Slashed zero has wrong height ryanoasis/nerd-fonts#1390