Support for QUIC and HTTP/3 was officially announced for the Firefox Nightly and Beta builds, and will be officially released with the upcoming Firefox 88 stable release.
HTTP / 3 as a new QUIC-based HTTP protocol standard launches in Firefox. It aims to provide better performance and reliability on the web, but of course it also requires a compatible web server.
Η Google and Facebook is one of the most important web destinations that already supports HTTP / 3.
Mozilla's Dragana Damjanovic announced on the blog on Friday mozilla hacks,
"Η υποστήριξη για QUIC και HTTP/3 είναι πλέον ενεργοποιημένη από προεπιλογή στα channelα Firefox Nightly και Firefox Beta. Σχεδιάζουμε να ξεκινήσουμε με την κυκλοφορία στην έκδοση Firefox Stable Release 88. Το HTTP/3 θα είναι διαθέσιμο από προεπιλογή μέχρι το τέλος Μαΐου."
Firefox 88 is expected to be released on April 19.