Theme variants missing from Aura?

After taking a look at the changes in component’s theme variants that came with Vaadin 25, I noticed that quite a few of them did not make it into Aura. Is there a reason why they were dropped? Like small variants of buttons, text-fields and may others; or the color variants of the progress bar and especially notifications.

Some information about Notification: Add more Aura style variants for Notification · Issue #10605 · vaadin/web-components · GitHub

They mostly have not made it into v25 due to time constraints, the plan is to mostly get parity with Lumo. Some variants may still be dropped or applied differently, such as with CSS class names for example.

Alright, that’s good to know. So there’s still hope ;)