Environment

Cascadia Code version number: 2009.021
Application (with version) used to display text: Visual Studio Code 1.49.3
OS platform and version: Windows_NT x64 10.0.19041
Screen resolution (i.e. 220dpi): 3440x1440p @ 34' 100% scaling, but changing scaling does not help much 

Any other software?

Windows Terminal
IntelliJ

Steps to reproduce

just type

=

or

===

Expected behavior

I expected both lines to be the same width/height depends how you look at it also happens with other characters/ligatures; I can provide more examples if needed

The example below might look funny because its so enhanced but it is really noticeable when looking at text with normal zoom levels

Actual behavior

3440x1440 34' screen

2560x1440 27' screen

and in comparison to Jetbrains Mono