Weird syntax colouring in VS codium but not in VS code

[Whatthesac]

In Visual studio code, I get this syntax colouring in django-html templates:

In VS codium though, I get this syntax coulouring:

I made sure the json settings file was the same between the two apps. I'm on linux if that can help understand this.

So why do I get this weird syntax colouring in VS codium but not VS code?