Pa nsanja ya Linux zakhazikitsidwanew backend ya X11 kutengera DMABUF, yomwe imakonzedwa ndikugawa kumbuyo kwa DMABUF komwe kunkaperekedwa kale ku Wayland. Kumbuyo kwatsopanoku kudapangitsa kuti zitheke kugwiritsa ntchito kuthandizira mavidiyo a hardware kudzera pa VA-API pamakina omwe amagwiritsa ntchito protocol ya X11 (m'mbuyomu, kuthamangitsa kotereku kunali kothandiza kwa Wayland kokha), komanso kuthekera kogwiritsa ntchito WebGL kudzera pa EGL. Kuti mutsegule ntchito kudzera pa EGL, muyenera kuyambitsa zoikamo "gfx.webrender.all" "media.ffmpeg.dmabuf-textures.enabled", "media.ffmpeg.vaapi-drm-display.enabled" ndi "media.ffmpeg. vaapi.enabledβ mu about:config ndikukhazikitsanso MOZ_X11_EGL zosintha zachilengedwe, zomwe zidzasintha mawonekedwe a Webrender ndi OpenGL kuti agwiritse ntchito EGL m'malo mwa GLX. Thandizo la VA-API silinakhazikike mokwanira ndipo lidzayatsidwa mwachisawawa pakumasulidwa kwamtsogolo.
Kukhazikitsa kwatsopano kuphatikizidwa mndandanda wa block zowonjezera zomwe zimakhala ndi chitetezo, kukhazikika, kapena ntchito. Kukhazikitsa kwatsopanoko ndikodziwikiratu pakuwongolera magwiridwe antchito a mindandanda yama block ndikuthana ndi zovuta za scalability, chifukwa chogwiritsa ntchito cascading. zosefera pachimake.
Kwa ziphaso za TLS zoperekedwa kuyambira Seputembara 1, 2020, kudzakhala malire atsopano pa nthawi yovomerezeka adzagwira ntchito - moyo wa ziphasozi sungathe kupitirira masiku 398 (miyezi 13). Zoletsa zofananira zavomerezedwa mu Chrome ndi Safari. Kwa ziphaso zolandilidwa pa Seputembala 1st isanakwane, kudalirika kumasungidwa koma kumangokhala masiku 825 (zaka 2.2).
Kwa ogwiritsa omwe ali ndi mutu waching'alang'ala komanso khunyu, zotsatira zina zamakanema akatsegula ma tabo amachotsedwa. Mwachitsanzo, potsegula zomwe zili mu tabu, chizindikiro cha hourglass tsopano chikuwonetsedwa m'malo mwa kadontho kodumpha.
Ndizotheka kukhazikitsa Firefox ngati chowonera cha PDF padongosolo.
Thandizo lowonjezera la njira za RTX ndi Transport-cc zopititsa patsogolo kuyimba kwa mafoni kudzera pa WebRTC panjira zosalankhulana bwino ndikuwongolera kulosera kwa bandwidth yomwe ilipo.
M'mawu a JavaScript "katunduΒ» kuthandizira kwa mawu atsopano a "export * as namespace" omwe akufotokozedwa mu ECMAScript 2021 aperekedwa.
Media Session API yawonjezera chithandizo chofotokozera osintha malo mumtsinje: kufufuza kusamukira ku malo otchulidwa ndi skipad kulumpha zotsatsa zomwe zimawonekera patsogolo pazambiri.