{"id":99543,"date":"2021-03-23T22:22:42","date_gmt":"2021-03-23T20:22:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-firefox-87"},"modified":"2021-03-23T22:22:42","modified_gmt":"2021-03-23T20:22:45","slug":"reliz-firefox-87","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/reliz-firefox-87","title":{"rendered":"Vyd\u00e1n\u00ed Firefoxu 87","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl uvoln\u011bn webov\u00fd prohl\u00ed\u017ee\u010d Firefox 87. D\u00e1le byla vytvo\u0159ena aktualizace pro verzi s dlouhodobou podporou 78.9.0. Do f\u00e1ze beta testov\u00e1n\u00ed byla p\u0159evedena verze Firefox 88, jej\u00ed\u017e vyd\u00e1n\u00ed je pl\u00e1nov\u00e1no na 20. dubna.     <\/p>\n<p>Hlavn\u00ed novinky:  <\/p>\n<ul>\n<li class=\"l\"> P\u0159i pou\u017e\u00edv\u00e1n\u00ed funkce hled\u00e1n\u00ed a aktivaci re\u017eimu zv\u00fdrazn\u011bn\u00ed v\u0161ech nalezen\u00fdch shod (Highlight All) se nyn\u00ed na posuvn\u00edku zobrazuj\u00ed zna\u010dky pro indikaci pozice nalezen\u00fdch kl\u00ed\u010dov\u00fdch slov.    <center><img decoding=\"async\" alt=\"Vyd\u00e1n\u00ed Firefoxu 87\" src=\"\/wp-content\/uploads\/2021\/03\/20ebfd0b1f81ce597f264ec54cf6cfa7.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Byly odstran\u011bny m\u00e1lo pou\u017e\u00edvan\u00e9 polo\u017eky z nab\u00eddky Knihovna. V nab\u00eddce Knihovna z\u016fstaly pouze odkazy na z\u00e1lo\u017eky, historii a sta\u017een\u00ed (synchronizovan\u00e9 karty, ned\u00e1vn\u00e9 z\u00e1lo\u017eky a seznam Pocket byly odstran\u011bny). Na screenshotu n\u00ed\u017ee vlevo je p\u016fvodn\u00ed stav a vpravo je zobrazeno, jak to vypad\u00e1 ve Firefoxu 87:  <center><img decoding=\"async\" alt=\"Vyd\u00e1n\u00ed Firefoxu 87\" src=\"\/wp-content\/uploads\/2021\/03\/d208ebc1fe8b8583a966f17168896454.png\" style=\"display:block;margin: 0 auto;\" \/><img decoding=\"async\" alt=\"Vyd\u00e1n\u00ed Firefoxu 87\" src=\"\/wp-content\/uploads\/2021\/03\/a62e0c43f947b726d6fa49ee4af812fa.png\" style=\"display:block;margin: 0 auto;\" \/>  <\/center>\n<li class=\"l\"> Nab\u00eddka N\u00e1stroje pro v\u00fdvoj\u00e1\u0159e byla v\u00fdrazn\u011b zjednodu\u0161ena \u2014 jednotliv\u00e9 odkazy na n\u00e1stroje (Inspektor, Webov\u00e1 konzole, Debugger, Chyba stylu s\u00edt\u011b, V\u00fdkon, Spr\u00e1vce \u00falo\u017ei\u0161t\u011b, P\u0159\u00edstupnost a Aplikace) byly nahrazeny spole\u010dn\u00fdm bodem N\u00e1stroje pro v\u00fdvoj\u00e1\u0159e.           <center><img decoding=\"async\" alt=\"Vyd\u00e1n\u00ed Firefoxu 87\" src=\"\/wp-content\/uploads\/2021\/03\/2eb5b7118a71a13445abf918790a8e4a.png\" style=\"display:block;margin: 0 auto;\" \/><img decoding=\"async\" alt=\"Vyd\u00e1n\u00ed Firefoxu 87\" src=\"\/wp-content\/uploads\/2021\/03\/783e3640c07efe4feddab8f6c0a59f05.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Nab\u00eddka N\u00e1pov\u011bda byla zjednodu\u0161ena, byly odstran\u011bny odkazy na str\u00e1nky podpory, kl\u00e1vesov\u00e9 zkratky a \u00favodn\u00ed prohl\u00eddky, kter\u00e9 jsou nyn\u00ed dostupn\u00e9 na spole\u010dn\u00e9 str\u00e1nce Z\u00edskat pomoc. Tla\u010d\u00edtko pro import z jin\u00e9ho prohl\u00ed\u017ee\u010de bylo odstran\u011bno.\n<li class=\"l\"> Byl p\u0159id\u00e1n mechanismus SmartBlock, kter\u00fd \u0159e\u0161\u00ed probl\u00e9my na webov\u00fdch str\u00e1nk\u00e1ch vznikaj\u00edc\u00ed z blokov\u00e1n\u00ed extern\u00edch skript\u016f v re\u017eimu soukrom\u00e9ho prohl\u00ed\u017een\u00ed nebo p\u0159i aktivaci p\u0159\u00edsn\u00e9 blokace ne\u017e\u00e1douc\u00edho obsahu (strict). SmartBlock tak\u00e9 v\u00fdrazn\u011b zlep\u0161uje v\u00fdkon n\u011bkter\u00fdch webov\u00fdch str\u00e1nek, kter\u00e9 zpomaluj\u00ed kv\u016fli neschopnosti na\u010d\u00edst k\u00f3d sledovac\u00edch skript\u016f. SmartBlock automaticky nahrazuje pou\u017e\u00edvan\u00e9 sledovac\u00ed skripty z\u00e1stupn\u00fdmi mechanismy, kter\u00e9 zaji\u0161\u0165uj\u00ed spr\u00e1vn\u00e9 na\u010dten\u00ed str\u00e1nky. Z\u00e1stupn\u00e9 mechanismy byly p\u0159ipraveny pro n\u011bkter\u00e9 popul\u00e1rn\u00ed sledovac\u00ed skripty, kter\u00e9 jsou uvedeny v seznamu Disconnect, v\u010detn\u011b skript\u016f s widgety Facebook, Twitter, Yandex, Vkontakte a Google.\n<li class=\"l\"> Interpretace kl\u00e1vesy Backspace byla ve v\u00fdchoz\u00edm nastaven\u00ed vypnuta mimo kontext vstupn\u00edch formul\u00e1\u0159\u016f. Odstran\u011bn\u00ed tohoto zpracov\u00e1n\u00ed je vysv\u011btleno t\u00edm, \u017ee kl\u00e1vesa Backspace je aktivn\u011b pou\u017e\u00edv\u00e1na p\u0159i psan\u00ed textu ve formul\u00e1\u0159\u00edch, ale mimo zaost\u0159en\u00ed na vstupn\u00edm formul\u00e1\u0159i funguje jako p\u0159echod na p\u0159edchoz\u00ed str\u00e1nku, co\u017e m\u016f\u017ee v\u00e9st ke ztr\u00e1t\u011b napsan\u00e9ho textu v d\u016fsledku ne\u00famysln\u00e9ho p\u0159esm\u011brov\u00e1n\u00ed na jinou str\u00e1nku. Pro obnoven\u00ed star\u00e9ho chov\u00e1n\u00ed byla do about:config p\u0159id\u00e1na mo\u017enost browser.backspace_action.\n<li class=\"l\"> Byla zm\u011bn\u011bna politika formulace HTTP hlavi\u010dky Referer. V\u00fdchoz\u00ed hodnotou je politika \u201estrict-origin-when-cross-origin\u201c, kter\u00e1 p\u0159edpokl\u00e1d\u00e1 odstran\u011bn\u00ed cest a parametr\u016f p\u0159i odes\u00edl\u00e1n\u00ed po\u017eadavku na jin\u00e9 hosty p\u0159i p\u0159\u00edstupu p\u0159es HTTPS, odstran\u011bn\u00ed Refereru p\u0159i p\u0159echodu z HTTPS na HTTP a p\u0159enos pln\u00e9ho Refereru pro vnit\u0159n\u00ed p\u0159echody v r\u00e1mci jedn\u00e9 str\u00e1nky. Tato zm\u011bna bude platn\u00e1 pro b\u011b\u017en\u00e9 naviga\u010dn\u00ed po\u017eadavky (p\u0159echody po odkazech), automatick\u00e9 p\u0159esm\u011brov\u00e1n\u00ed a p\u0159i na\u010d\u00edt\u00e1n\u00ed extern\u00edch zdroj\u016f (obr\u00e1zk\u016f, CSS, skript\u016f). Nap\u0159\u00edklad p\u0159i p\u0159echodu na jinou str\u00e1nku p\u0159es HTTPS m\u00edsto \u201eReferer: https:\/\/www.example.com\/cesta\/?argumenty\u201c bude nyn\u00ed odesl\u00e1n \u201eReferer: https:\/\/www.example.com\/\u201c.\n<li class=\"l\"> Pro mal\u00e9 procento u\u017eivatel\u016f byl zapnut re\u017eim Fission, kter\u00fd implementuje modernizovanou v\u00edcestup\u0148ovou architekturu pro p\u0159\u00edsn\u011bj\u0161\u00ed izolaci str\u00e1nek. P\u0159i aktivaci Fission jsou str\u00e1nky r\u016fzn\u00fdch web\u016f v\u017edy um\u00edst\u011bny v pam\u011bti r\u016fzn\u00fdch proces\u016f, z nich\u017e ka\u017ed\u00fd pou\u017e\u00edv\u00e1 svou vlastn\u00ed izolovanou p\u00edse\u010dnou oblast (sandbox). Izolace mezi procesy se prov\u00e1d\u00ed podle dom\u00e9n, nikoli podle karet, co\u017e umo\u017e\u0148uje dodate\u010dn\u011b izolovat obsah extern\u00edch skript\u016f a blok\u016f iframe. Re\u017eim Fission lze ru\u010dn\u011b aktivovat na str\u00e1nce about:preferences#experimental nebo prost\u0159ednictv\u00edm prom\u011bnn\u00e9 \u201efission.autostart=true\u201c v about:config. Stav aktivace m\u016f\u017eete zkontrolovat na str\u00e1nce about:support.\n<li class=\"l\">  Byla odstran\u011bna experiment\u00e1ln\u00ed implementace mechanismu rychl\u00e9ho otev\u00edr\u00e1n\u00ed TCP spojen\u00ed (TFO \u2014 TCP Fast Open, RFC 7413), kter\u00fd umo\u017e\u0148uje zkr\u00e1tit po\u010det krok\u016f nastaven\u00ed spojen\u00ed slou\u010den\u00edm prvn\u00edho a druh\u00e9ho kroku klasick\u00e9ho t\u0159\u00edetapov\u00e9ho procesu nav\u00e1z\u00e1n\u00ed spojen\u00ed a umo\u017e\u0148uje odes\u00edl\u00e1n\u00ed dat v po\u010d\u00e1te\u010dn\u00ed f\u00e1zi navazov\u00e1n\u00ed spojen\u00ed. V\u00fdchoz\u00edm nastaven\u00edm byl re\u017eim TCP Fast Open deaktivov\u00e1n a vy\u017eadoval zm\u011bnu v about:config pro aktivaci (network.tcp.tcp_fastopen_enable).\n<li class=\"l\"> V souladu se zm\u011bnami proveden\u00fdmi ve specifikac\u00edch bylo zastaveno zahrnut\u00ed prvku  do kontrol pomoc\u00ed pseudo-t\u0159\u00edd \u201e:link\u201c, \u201e:visited\u201c a \u201e:any-link\u201c.\n<li class=\"l\"> Byly odstran\u011bny nestandardn\u00ed hodnoty CSS parametru caption-side \u2014 left, right, top-outside a bottom-outside (pro n\u00e1vrat je k dispozici nastaven\u00ed layout.css.caption-side-non-standard.enabled).\n<li class=\"l\"> Byly ve v\u00fdchoz\u00edm nastaven\u00ed aktivov\u00e1ny ud\u00e1lost \u201ebeforeinput\u201c a metoda getTargetRanges(), pomoc\u00ed nich\u017e mohou webov\u00e9 aplikace p\u0159edefinovat chov\u00e1n\u00ed p\u0159i editaci textu p\u0159ed zm\u011bnou stromu DOM ze strany prohl\u00ed\u017ee\u010de a z\u00edskat v\u011bt\u0161\u00ed kontrolu nad ud\u00e1lostmi vstupu. Ud\u00e1lost \u201ebeforeinput\u201c je odesl\u00e1na do handleru  nebo jin\u00e9ho prvku s nastaven\u00fdm atributem \u201econtenteditable\u201c p\u0159edt\u00edm, ne\u017e dojde ke zm\u011bn\u011b hodnoty prvku. Metoda getTargetRanges(), poskytovan\u00e1 objektem inputEvent, vrac\u00ed pole s hodnotami, kter\u00e9 umo\u017e\u0148uj\u00ed ur\u010dit, kter\u00e1 \u010d\u00e1st DOM bude zm\u011bn\u011bna, pokud nebude ud\u00e1lost vstupu zru\u0161ena.\n<li class=\"l\"> Pro webov\u00e9 v\u00fdvoj\u00e1\u0159e v re\u017eimu inspekce str\u00e1nek byla implementov\u00e1na mo\u017enost simulace medi\u00e1ln\u00edch dotaz\u016f \u201eprefers-color-scheme\u201c pro testov\u00e1n\u00ed tmav\u00e9ho a sv\u011btl\u00e9ho rozhran\u00ed bez p\u0159ep\u00edn\u00e1n\u00ed motiv\u016f v opera\u010dn\u00edm syst\u00e9mu. Pro aktivaci simulace tmav\u00e9 a sv\u011btl\u00e9 t\u00e9ma byly v prav\u00e9m horn\u00edm rohu panelu n\u00e1stroj\u016f pro webov\u00e9 v\u00fdvoj\u00e1\u0159e p\u0159id\u00e1ny tla\u010d\u00edtka se zobrazen\u00edm slunce a m\u011bs\u00edce.\n<li class=\"l\"> Do re\u017eimu inspekce byla p\u0159id\u00e1na mo\u017enost aktivace pseudo-t\u0159\u00eddy \u201e:target\u201c pro vybran\u00fd prvek podobn\u011b jako u d\u0159\u00edve podporovan\u00fdch pseudo-t\u0159\u00edd \u201e:hover\u201c, \u201e:active\u201c, \u201e:focus\u201c, \u201e:focus-within\u201c, \u201e:focus-visible\u201c a \u201e:visited\u201c.  <center><img decoding=\"async\" alt=\"Vyd\u00e1n\u00ed Firefoxu 87\" src=\"\/wp-content\/uploads\/2021\/03\/0ec546e2042979df160277ff2c7feed4.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> V re\u017eimu inspekce CSS byla vylep\u0161ena spr\u00e1va neaktivn\u00edch CSS pravidel. Zejm\u00e9na vlastnost \u201etable-layout\u201c se nyn\u00ed st\u00e1v\u00e1 neaktivn\u00ed pro prvky, kter\u00e9 nejsou tabulkami, a vlastnosti \u201escroll-padding-*\u201c jsou ozna\u010deny jako neaktivn\u00ed pro prvky, kter\u00e9 nepodporuj\u00ed posouv\u00e1n\u00ed. Bylo odstran\u011bno nespr\u00e1vn\u00e9 ozna\u010den\u00ed vlastnost\u00ed \u201etext-overflow\u201c pro n\u011bkter\u00e9 hodnoty.                 <\/ul>\n<p>Krom\u011b novinek a oprav chyb v Firefoxu 87 bylo odstran\u011bno 12 zranitelnost\u00ed, z nich\u017e 7 je ozna\u010deno jako nebezpe\u010dn\u00fdch. 6 zranitelnost\u00ed (shrom\u00e1\u017ed\u011bn\u00fdch pod CVE-2021-23988 a CVE-2021-23987) je zp\u016fsobeno probl\u00e9my s pam\u011bt\u00ed, jako jsou p\u0159ete\u010den\u00ed buffer\u016f a p\u0159\u00edstup k ji\u017e uvoln\u011bn\u00fdm oblastem pam\u011bti. Potenci\u00e1ln\u011b mohou tyto probl\u00e9my v\u00e9st k vykon\u00e1n\u00ed k\u00f3du \u00fato\u010dn\u00edka p\u0159i otev\u0159en\u00ed speci\u00e1ln\u011b vytvo\u0159en\u00fdch str\u00e1nek.      <\/p>\n<p>Beta verze Firefoxu 88 vynik\u00e1 podporou \u0161k\u00e1lov\u00e1n\u00ed pin\u010dov\u00e1n\u00edm na touchpadech v Linuxu s grafick\u00fdmi prost\u0159ed\u00edmi zalo\u017een\u00fdmi na protokolu Wayland a tak\u00e9 zavedla jako v\u00fdchoz\u00ed podporu form\u00e1tu obr\u00e1zk\u016f AVIF (AV1 Image Format), kter\u00fd vyu\u017e\u00edv\u00e1 technologie intrak\u00f3dov\u00e1n\u00ed z video k\u00f3dov\u00e1n\u00ed AV1.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54814\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 web-\u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 Firefox 87. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u0435\u0442\u043a\u0438 \u0441 \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u0441\u0440\u043e\u043a\u043e\u043c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 78.9.0. \u041d\u0430 \u0441\u0442\u0430\u0434\u0438\u044e \u0431\u0435\u0442\u0430-\u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u0432\u0435\u0434\u0435\u043d\u0430 \u0432\u0435\u0442\u043a\u0430 Firefox 88, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 20 \u0430\u043f\u0440\u0435\u043b\u044f. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043d\u043e\u0432\u0448\u0435\u0441\u0442\u0432\u0430: \u041f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u043f\u043e\u0438\u0441\u043a\u0430 \u0438 \u0430\u043a\u0442\u0438\u0432\u0430\u0446\u0438\u0438 \u0440\u0435\u0436\u0438\u043c\u0430 \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0432\u0441\u0435\u0445 \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0445 \u0441\u043e\u0432\u043f\u0430\u0434\u0435\u043d\u0438\u0439 (Highlight All) \u043d\u0430 \u043f\u043e\u043b\u043e\u0441\u0435 \u043f\u0440\u043e\u043a\u0440\u0443\u0442\u043a\u0438 \u0442\u0435\u043f\u0435\u0440\u044c \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u044e\u0442\u0441\u044f \u043c\u0435\u0442\u043a\u0438 \u0434\u043b\u044f \u0438\u043d\u0434\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u043e\u0437\u0438\u0446\u0438\u0438 \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0445 \u043a\u043b\u044e\u0447\u0435\u0439. \u0423\u0434\u0430\u043b\u0435\u043d\u044b [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":99544,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-99543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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