Firefox 139 beta improves upload performance of HTTP/3, translations and PNG support April 30, 2025 by admin Tweet Mozilla has improved the performance of HTTP/3 in its latest Firefox 139 beta channel update. It has also added translation and PNG improvements. Read more… Neowin Related Posts:Firefox 125 is out with improved AV1 video…Firefox 110 is out with improved data import, GPU…Firefox 143.0.4 fixes performance issues on Google websitesWindows 11 KB5052084 beta improves zip extract…Firefox 109 is out with Manifest V3 extensions…