This release fixes a heap overflow that can be used to escape the sandbox:<p><a href="https://www.mozilla.org/en-US/security/advisories/mfsa2023-56/#CVE-2023-6856" rel="nofollow noreferrer">https://www.mozilla.org/en-US/security/advisories/mfsa2023-5...</a>
I wonder when they'll finally support view transitions.<p>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.