Extended collections

One of the features that was also announced is Schema 2025's Extended Collections. It's a feature that's mostly useful for multi-brand design systems.

Sadly, it's locked in the enterprise plan, which costs 90 euros per month.

The general gist of it is that you can extend collections with values that overwrite said collection. For example, let's say you have a primary color that's always set to blue 600 in the base collection. In your brand A, you could override it to green 600, and in your brand B, you could override it to red 600.

But if you do not override a variable, it just inherits from the main collection. So, for example, let's say your divider color is gray 300; that would stay exactly the same.

We'll have more on extended collections as we learn more.