Zathetsedwa kuwonongeka komwe kumachitika mukatsegula ma tabo pomwe zosintha za browser.taskbar.previews.enable zayatsidwa.
Kuphatikiza apo, zitha kuzindikirika kukhudzidwa mu kanema wa codec phukusi loperekedwa ku Fedora Linux ndi Firefox OpenH264 pakusintha makanema ndi ma audio codec fdk-aac-free potsitsa mawu mumtundu wa AAC. Ma codec adalumikizidwa pogwiritsa ntchito GMP API (Gecko Media Plugin), yomwe idalola kuti codec ikhazikitsidwe kumalo akutali a sandbox, mofanana ndi momwe Widevine CDM DRM plugin imachitikira.
Thandizo la OpenH264 limapangitsa kuti zikhale zotheka kuchita popanda kugwiritsa ntchito phukusi la ffmpeg, lomwe mu Fedora silinaphatikizidwe mu kugawa kwanthawi zonse ndipo limayikidwa mosiyana ndi malo achitatu a RPM Fusion. Panthawi imodzimodziyo, OpenH264 imagwiritsidwa ntchito ngati njira yobwereranso, yogwiritsidwa ntchito pokhapokha ngati phukusi la ffmpeg silinakhazikitsidwe pa dongosolo ndipo chithandizo cha mavidiyo omwe akufunsidwa sichikupezeka mu laibulale ya ffvpx yomangidwa mu Firefox.
komanso zanenedwa za kuwonekera kosasintha mu phukusi ndi Firefox 81 ya Fedora yothandizira kuti hardware ifulumizitse kujambula mavidiyo pogwiritsa ntchito VA-API (Video Acceleration API) m'magawo otengera ukadaulo wa WebRTC, womwe umagwiritsidwa ntchito pa intaneti pamisonkhano yamavidiyo. Kuphatikiza apo, kuthekera kogwiritsa ntchito mathamangitsidwe kudzera pa VA-API kupereka m'malo a seva a X11, osati malo a Wayland okha.