This release fixes a heap overflow that can be used to escape the sandbox:

https://www.mozilla.org/en-US/security/advisories/mfsa2023-5...

So nice that :has() is now finally supported everywhere!

I wonder when they'll finally support view transitions.

AFAIK, there hasn't really been a roadmap for it, meanwhile a lot of people are already using them since they've become standard in Chrome.

Merry Christmas, hands free internet!