Msakatuli watulutsidwa Firefox 73ndipo mobile version Firefox 68.5 ya nsanja ya Android. Kuphatikiza apo, kusintha kwapangidwa nthambi ndi chithandizo cha nthawi yayitali 68.5.0. Kubwera posachedwa ku siteji kuyesa kwa beta nthambi ya Firefox 74 isuntha, kutulutsidwa komwe kukuyembekezeka pa Marichi 10 (project kusunthidwa kwa masabata 4 chitukuko mkombero).
Munjira yopezera DNS pa HTTPS (DoH, DNS pa HTTPS), chithandizo chautumiki chawonjezedwa. Chotsatira, kuwonjezera pa seva ya CloudFlare DNS yoperekedwa kale ("https://1.1.1.1/dns-query"). Yambitsani DoH ndikusankha woperekamungathe mu zoikamo zolumikizira netiweki.
Gawo loyamba lakhazikitsidwa kuthetsa thandizo pazowonjezera zomwe zimayikidwa ndi workaround. Kusinthaku kumangokhudza kukhazikitsa zowonjezera m'makalata omwe amagawidwa (/usr/lib/mozilla/extensions/, /usr/share/mozilla/extensions/ or ~/.mozilla/extensions/) zokonzedwa ndi zochitika zonse za Firefox padongosolo ( sagwirizana ndi wogwiritsa ntchito). Njirayi nthawi zambiri imagwiritsidwa ntchito poyikiratu zowonjezera pazogawitsa, m'malo osapemphedwa ndi mapulogalamu a chipani chachitatu, kuphatikiza zowonjezera zoyipa, kapena kupereka padera chowonjezera ndi choyika chake. Mu Firefox 73, zowonjezera zotere zidzapitiriza kugwira ntchito, koma zidzasunthidwa kuchokera ku bukhuli kupita ku mbiri ya munthu aliyense, i.e. idzasinthidwa kukhala mawonekedwe omwe amagwiritsidwa ntchito poyikira kudzera muzowonjezera zowonjezera.
Pamakina omwe ali ndi madalaivala a NVIDIA atsopano kuposa kutulutsa 432 ndi zowonera zosakwana 1920 Γ 1200, makina opangira amathandizidwa. WebRender. M'mbuyomu, WebRender idathandizidwa ndi ma NVIDIA GPU okha omwe ali ndi driver wa Nouveau, komanso AMD ndi Intel GPUs. Dongosolo lopanga la WebRender limalembedwa mu Rust ndikutulutsa zomwe zili patsamba lomwe limapereka ntchito ku GPU.
Zowonjezedwamwayi pogwiritsa ntchito lingaliro la Site Specific Browser (SSB) kuti
gwiritsani ntchito pulogalamu yapaintaneti ngati pulogalamu yokhazikika pakompyuta. Mu mode
SSB imabisa menyu, ma adilesi ndi zinthu zina za msakatuli, ndipo pazenera lomwe lilipo mutha kungotsegula maulalo amasamba atsambali (maulalo akunja amatsegulidwa pawindo la osatsegula). Mosiyana ndi mawonekedwe a kiosk omwe alipo, ntchitoyi imachitika osati pazithunzi zonse, koma pawindo lokhazikika, koma popanda mawonekedwe a Firefox. Kuti mutsegule ulalo mumayendedwe a SSB, mbendera ya mzere wolamula "-ssb" ikufunsidwa, yomwe ingagwiritsidwe ntchito popanga njira zazifupi zamapulogalamu apa intaneti. Njirayi itha kuyitanidwanso pogwiritsa ntchito batani la "Launch Site Specific Browser" lomwe lili patsamba lazosankha (ellipsis kumanja kwa adilesi). Mwachisawawa, mawonekedwewa sagwira ntchito ndipo ayenera kuyatsidwa pofotokoza "browser.ssb.enabled = true" mu about:config.
Njira yowonjezera ku HTMLFormElement pemphoSubmit(), yomwe imayambitsa kutumiza kwadongosolo kwa data ya fomu mofanana ndi kudina batani lotumiza. Ntchitoyi ingagwiritsidwe ntchito popanga mabatani a fomu yanu omwe kuyitana fomu.submit() sikokwanira chifukwa sikumatsimikizira magawo, kupanga chochitika cha 'submit', ndikudutsa deta yomangidwa ku batani lotumizira.
katundu InnerWidth ΠΈ InnerHeight Zinthu zazenera tsopano nthawi zonse zimabwezera m'lifupi mwake ndi kutalika kwake kwa dera (Mawonekedwe a Viewport), osati kukula kwa gawo lowoneka (Visual Viewport).
Zidachitidwa kukhathamiritsa magwiridwe antchito a zida za opanga mawebusayiti. Katundu wosonkhanitsira ziwerengero za gulu lowunikira zochitika pa netiweki wachepetsedwa. Mu JavaScript debugger ndi web console, kutsitsa zolemba zazikulu zokhudzana ndi zolemba zawo zoyambira (zojambulidwa ndi magwero) kwafulumizitsa.
Mu web console pali mavuto ndi kupita kupyola malo omwe alipo panopa (MACOR, Cross-Origin Resource Sharing) tsopano akuwonetsedwa ngati zolakwika osati machenjezo. Zosintha zomwe zafotokozedwa m'mawu tsopano zikupezeka kuti zikwaniritsidwe pakompyuta.
Pazida zopanga mawebusayiti mugawo loyang'anira netiweki, kumasulira kwa mauthenga (JSON, MsgPack ndi CBOR) mu mtundu wa WAMP (WebSocket Web Application Messaging Protocol) wotumizidwa kudzera pa intaneti ya WebSocket kumaperekedwa.
Kuphatikiza pazatsopano ndi kukonza zolakwika, Firefox 73 yakonza 15 zofooka, yomwe 11 (yomwe yasonkhanitsidwa pansi pa CVE-2020-6800 ndi CVE-2020-6801) imayikidwa chizindikiro kuti ingathe kutsogolere ku machitidwe owukira potsegula masamba opangidwa mwapadera. Tikukumbutseni kuti zovuta zamakumbukiro, monga kusefukira kwa buffer ndi mwayi wofikira malo okumbukira omwe amasulidwa kale, posachedwapa adadziwika kuti ndi owopsa, koma osati ovuta.