{"id":73640,"date":"2020-03-11T08:42:14","date_gmt":"2020-03-11T05:42:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/firefox-74"},"modified":"2020-03-11T08:42:14","modified_gmt":"2020-03-11T05:42:14","slug":"firefox-74","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/firefox-74","title":{"rendered":"Firefox 74","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/download-installer.cdn.mozilla.net\/pub\/firefox\/releases\/74.0\/\">Dostupn\u00e9<\/a> Firefox 74.<\/p>\n<p><\/noindex><\/p>\n<ul>\n<li>Spr\u00e1vce hesel se nau\u010dil t\u0159\u00eddit z\u00e1znamy v opa\u010dn\u00e9m po\u0159ad\u00ed (Z-A).<\/noindex>\n<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/blog.mozilla.org\/addons\/2020\/03\/10\/support-for-extension-sideloading-has-ended\/\">Konec<\/a> s roz\u0161\u00ed\u0159en\u00edmi, nainstalovan\u00fdmi glob\u00e1ln\u011b (pro v\u0161echny u\u017eivatele v syst\u00e9mu, nap\u0159\u00edklad v %ProgramFiles%Mozilla Firefoxextensions). Tento zp\u016fsob distribuce se pou\u017e\u00edv\u00e1 pro p\u0159edinstalaci v distribuc\u00edch a tak\u00e9 pro vnucov\u00e1n\u00ed roz\u0161\u00ed\u0159en\u00ed p\u0159i instalaci t\u0159et\u00edch stran. V\u00fdvoj\u00e1\u0159i jej pova\u017eovali za z\u00e1vadn\u00fd, proto\u017ee u\u017eivatele p\u0159ipravuje o mo\u017enost odstranit takov\u00e1 roz\u0161\u00ed\u0159en\u00ed prost\u0159ednictv\u00edm spr\u00e1vce roz\u0161\u00ed\u0159en\u00ed (nap\u0159\u00edklad pokud roz\u0161\u00ed\u0159en\u00ed zp\u016fsobuje probl\u00e9my, nebo se u\u017eivateli nel\u00edb\u00ed, \u017ee je mu vnucov\u00e1no). Nyn\u00ed bude spr\u00e1va roz\u0161\u00ed\u0159en\u00ed pln\u011b pod kontrolou u\u017eivatele. Ji\u017e nainstalovan\u00e1 roz\u0161\u00ed\u0159en\u00ed budou pokra\u010dovat v pr\u00e1ci (u\u017eivatel nyn\u00ed m\u016f\u017ee je odstranit prost\u0159ednictv\u00edm spr\u00e1vy roz\u0161\u00ed\u0159en\u00ed), a nov\u011b nainstalovan\u00e1 budou ignorov\u00e1na. Tv\u016frc\u016fm vlastn\u00edch distribuc\u00ed (Windows) a udr\u017eovatel\u016fm (Linux) bude poskytnuta speci\u00e1ln\u00ed mo\u017enost v pr\u016fb\u011bhu sestaven\u00ed, kter\u00e1 vr\u00e1t\u00ed podporu glob\u00e1ln\u011b nainstalovan\u00fdch roz\u0161\u00ed\u0159en\u00ed. Korpor\u00e1tn\u00edm u\u017eivatel\u016fm je poskytnuta mo\u017enost nasazen\u00ed roz\u0161\u00ed\u0159en\u00ed prost\u0159ednictv\u00edm skupinov\u00fdch politik.\n<\/li>\n<li>Dopln\u011bn\u00ed <a rel=\"nofollow\" href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/facebook-container\/\">Facebook Container<\/a> (automaticky otev\u00edr\u00e1 soci\u00e1ln\u00ed s\u00ed\u0165 v samostatn\u00e9 n\u00e1dob\u011b) podporuje u\u017eivatelsk\u00fd seznam dom\u00e9n, kter\u00e9 budou rovn\u011b\u017e automaticky um\u00edst\u011bny do n\u00e1doby.\n<\/li>\n<li>Tla\u010d\u00edtko pro vytvo\u0159en\u00ed nov\u00e9ho panelu z\u00edskalo nab\u00eddku, kter\u00e1 se vyvol\u00e1v\u00e1 prav\u00fdm tla\u010d\u00edtkem my\u0161i (funguje pouze p\u0159i zapnut\u00fdch <a rel=\"nofollow\" href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/multi-account-containers\/\">n\u00e1dob\u00e1ch<\/a>), ze kter\u00e9ho si m\u016f\u017eete vybrat kontejner pro vytv\u00e1\u0159enou kartu. Krom\u011b toho byla p\u0159id\u00e1na mo\u017enost \u201eVybrat kontejner pro ka\u017edou novou kartu\u201c, kter\u00e1 umo\u017e\u0148uje vyvolat takovou nab\u00eddku i lev\u00fdm tla\u010d\u00edtkem my\u0161i.\n<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/bugzil.la\/616130\">P\u0159ibyla<\/a> mo\u017enost zak\u00e1zat odpojen\u00ed panelu. Neopatrn\u00e9 p\u0159eveden\u00ed panelu do samostatn\u00e9ho okna u\u017eivatele po mnoho let roz\u010dilovalo (odpov\u00eddaj\u00edc\u00ed tiket byl otev\u0159en p\u0159ed 9 lety). Pro deaktivaci chov\u00e1n\u00ed odpojov\u00e1n\u00ed panel\u016f je stanovena mo\u017enost browser.tabs.allowTabDetach.\n<\/li>\n<li>Kl\u00e1vesov\u00e9 zkratky roz\u0161\u00ed\u0159en\u00ed nyn\u00ed mohou b\u00fdt nejen p\u0159emapov\u00e1ny, ale i zak\u00e1z\u00e1ny.\n<\/li>\n<li>Pro u\u017eivatele z USA je v\u00fdchoz\u00ed nastaven\u00ed zahrnut\u00ed DNS p\u0159es HTTPS. V\u00fdchoz\u00ed resolver je Cloudflare. V nastaven\u00ed jej m\u016f\u017eete zm\u011bnit na NextDNS nebo uv\u00e9st adresu vlastn\u00edho resolveru.\n<\/li>\n<li>V Linuxov\u00fdch verz\u00edch byla pou\u017eita technologie <a rel=\"nofollow\" href=\"https:\/\/hacks.mozilla.org\/2020\/02\/securing-firefox-with-webassembly\/\">RLBox<\/a>. C++ k\u00f3d potenci\u00e1ln\u011b zraniteln\u00fdch t\u0159et\u00edch stran knihoven je p\u0159eveden na modul WebAssembly, jeho\u017e opr\u00e1vn\u011bn\u00ed jsou p\u0159\u00edsn\u011b omezena, a pot\u00e9 je modul zkompilov\u00e1n do strojov\u00e9ho k\u00f3du a prov\u00e1d\u011bn v izolovan\u00e9m procesu. Prvn\u00ed takovou knihovnou se stala <a rel=\"nofollow\" href=\"https:\/\/scripts.sil.org\/cms\/scripts\/page.php?site_id=projects&amp;item_id=graphite_home\">Graphite<\/a>.\n<\/li>\n<li>pro za\u0159\u00edzen\u00ed se dotykov\u00fdmi obrazovkami <a rel=\"nofollow\" href=\"https:\/\/bugzil.la\/1605755\">bylo realizov\u00e1no<\/a> urychlen\u00ed rolov\u00e1n\u00ed.\n<\/li>\n<li>Ve Windows a macOS bylo mo\u017en\u00e9 importovat data z Edgium (Edge na z\u00e1klad\u011b Chromium).\n<\/li>\n<li>Prohl\u00ed\u017ee\u010d <a rel=\"nofollow\" href=\"https:\/\/bugzil.la\/1588817\">ji\u017e nezve\u0159ej\u0148uje<\/a> m\u00edstn\u00ed IP adresu stroje <a rel=\"nofollow\" href=\"https:\/\/browserleaks.com\/webrtc\">p\u0159es WebRTC<\/a> (m\u00edsto m\u00edstn\u00ed adresy se pou\u017e\u00edv\u00e1 n\u00e1hodn\u00fd identifik\u00e1tor), a proto se doporu\u010duje u\u017eivatel\u016fm resetovat nastaven\u00ed <b>media.peerconnection.ice.default_address_only<\/b> a <b>media.peerconnection.ice.no_host<\/b> (zm\u011bnou t\u011bchto nastaven\u00ed bylo d\u0159\u00edve dosa\u017eeno skryt\u00ed m\u00edstn\u00ed adresy).\n<\/li>\n<li>Vyhled\u00e1v\u00e1n\u00ed v historii nyn\u00ed <a rel=\"nofollow\" href=\"https:\/\/bugzil.la\/1606731\">ignoruje diakritiku<\/a> (nap\u0159\u00edklad vyhled\u00e1v\u00e1n\u00ed slova \u05e4\u05e1\u05d7 tak\u00e9 nalezne v\u0161echny v\u00fdskyty \u05e4\u05b6\u05bc\u05e1\u05b7\u05d7).\n<\/li>\n<li>Jak bylo ozn\u00e1meno p\u0159ed p\u016fl druh\u00fdm rokem, <a rel=\"nofollow\" href=\"https:\/\/www.ghacks.net\/2020\/01\/10\/firefox-74-will-drop-support-for-tls-1-0-and-tls-1-1\/\">byla zak\u00e1z\u00e1na<\/a> podpora TLS 1.0 a TLS 1.1. Pokud server nepodporuje TLS 1.2, u\u017eivatel uvid\u00ed chybovou zpr\u00e1vu p\u0159i pokusu o nav\u00e1z\u00e1n\u00ed zabezpe\u010den\u00e9ho p\u0159ipojen\u00ed a tla\u010d\u00edtko, kter\u00e9 umo\u017e\u0148uje povolit podporu zastaral\u00fdch protokol\u016f (v budoucnu bude podpora t\u011bchto protokol\u016f zcela odstran\u011bna). Ostatn\u00ed popul\u00e1rn\u00ed prohl\u00ed\u017ee\u010de letos tak\u00e9 vyp\u00ednaj\u00ed podporu star\u00fdch (TLS 1.0 byl zaveden v roce 1999 a TLS 1.1 v roce 2006) protokol\u016f, proto\u017ee tyto neprov\u00e1d\u011bj\u00ed modern\u00ed rychl\u00e9 a spolehliv\u00e9 algoritmy (ECDHE, AEAD) a m\u00edsto toho vy\u017eaduj\u00ed podporu star\u00fdch a slab\u00fdch (TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA, SHA1, MD5). P\u0159ed rokem \u010dinil pod\u00edl provozu pou\u017e\u00edvaj\u00edc\u00edho tyto protokoly m\u00e9n\u011b ne\u017e p\u016fl procenta, a v sou\u010dasnosti se je\u0161t\u011b sn\u00ed\u017eil.\n<\/li>\n<li>HTTP:\n<ul>\n<li>Byla povolena podpora HTTP hlavi\u010dky <a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/docs\/Web\/HTTP\/Feature_Policy\">Feature Policy<\/a>. Pomoc\u00ed n\u011bj m\u016f\u017ee v\u00fdvoj\u00e1\u0159 webu specifikovat, kter\u00e9 funkce a API prohl\u00ed\u017ee\u010d m\u00e1 pou\u017e\u00edt nebo nepou\u017e\u00edt (nap\u0159\u00edklad k <a rel=\"nofollow\" href=\"https:\/\/habr.com\/company\/ruvds\/blog\/490624\/\">optimalizaci v\u00fdkonu webu<\/a>). Feature Policy do jist\u00e9 m\u00edry p\u0159ipom\u00edn\u00e1 CSP, ale \u0159\u00edd\u00ed mo\u017enosti prohl\u00ed\u017ee\u010de, nikoli bezpe\u010dnost. V d\u016fsledku toho r\u00e1my (&lt;iframe&gt;) otev\u0159en\u00e9 na jin\u00e9m dom\u00e9n\u011b <a rel=\"nofollow\" href=\"https:\/\/www.fxsitecompat.dev\/docs\/2020\/geolocation-fullscreen-camera-mic-screen-capture-requests-from-cross-origin-iframe-are-now-disabled-by-default\/\">u\u017e nemohou<\/a> \u017e\u00e1dat o p\u0159\u00edstup k geolokaci, kame\u0159e, mikrofonu, zachycov\u00e1n\u00ed obrazovky a re\u017eimu cel\u00e9 obrazovky, pokud to nen\u00ed v\u00fdslovn\u011b povoleno pomoc\u00ed Feature Policy.\n<\/li>\n<li>Byla implementov\u00e1na podpora <a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/docs\/Web\/HTTP\/Headers\/Cross-Origin-Resource-Policy\">Cross-Origin-Resource-Policy<\/a> (CORP), Pomoc\u00ed n\u011bj mohou weby blokovat ur\u010dit\u00e9 po\u017eadavky z ciz\u00edch zdroj\u016f (nap\u0159\u00edklad zak\u00e1zat p\u0159\u00edstup z ciz\u00edch zdroj\u016f ke skript\u016fm a obr\u00e1zk\u016fm aktu\u00e1ln\u00edho webu), co\u017e br\u00e1n\u00ed spekulativn\u00edm \u00fatok\u016fm prost\u0159ednictv\u00edm bo\u010dn\u00edch kan\u00e1l\u016f (Meltdown a Spectre) a tak\u00e9 \u00fatok\u016fm vyu\u017e\u00edvaj\u00edc\u00edm mezidom\u00e9nov\u00e9 skripty.\n<\/li>\n<li>Byly p\u0159id\u00e1ny ud\u00e1losti <a rel=\"nofollow\" href=\"https:\/\/wiki.developer.mozilla.org\/docs\/Web\/API\/WorkerGlobalScope\/languagechange_event\">languagechange_event<\/a>, kter\u00fd se aktivuje p\u0159i zm\u011bn\u011b preferovan\u00e9ho jazyka u\u017eivatelem.\n<\/li>\n<\/ul>\n<\/li>\n<li>CSS:\n<ul>\n<li>Byla p\u0159id\u00e1na podpora pro vlastnost <a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/docs\/Web\/CSS\/text-underline-position\">text-underline-position<\/a>, kter\u00e1 umo\u017e\u0148uje \u0159\u00eddit pozici podtr\u017een\u00ed (nap\u0159\u00edklad nastavit podtr\u017een\u00ed pod doln\u00edmi znaky chemick\u00e9ho vzorce).\n<\/li>\n<li>Hodnoty vlastnost\u00ed <a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/docs\/Web\/CSS\/text-underline-offset\">text-underline-offset<\/a> a <a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/docs\/Web\/CSS\/text-decoration-thickness\">text-decoration-thickness<\/a> mohou b\u00fdt nyn\u00ed vyj\u00e1d\u0159eny v procentech.\n<\/li>\n<li>Vlastnost <a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/\/docs\/Web\/CSS\/outline-style\">outline-style<\/a> z\u00edskala podporu hodnoty auto.\n<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.fxsitecompat.dev\/docs\/2020\/prefixed-css-multi-column-properties-have-been-removed\/\">Ukon\u010deno<\/a> podpora vlastnost\u00ed -moz-column-*, m\u00edsto kter\u00fdch by se m\u011bly pou\u017e\u00edvat standardn\u00ed vlastnosti bez prefixu.\n<\/li>\n<\/ul>\n<\/li>\n<li>JavaScript:\n<ul>\n<li>Realizov\u00e1no <a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/docs\/Web\/JavaScript\/Reference\/Operators\/Optional_chaining\">oper\u00e1tor voliteln\u00e9ho \u0159et\u011bzce<\/a> (?.)\n<\/li>\n<li><a rel=\"nofollow\" href=\"https:\/\/www.fxsitecompat.dev\/docs\/2020\/tosource-and-uneval-have-been-removed\/\">Odstran\u011bno<\/a> nestandardn\u00ed metoda <a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/Object\/toSource\">Object.prototype.toSource<\/a> a glob\u00e1ln\u00ed funkce <a rel=\"nofollow\" href=\"https:\/\/developer.mozilla.org\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/uneval\">uneval<\/a>. Tyto se objevily ji\u017e v dob\u011b Netscape, ale nikdy nez\u00edskaly podporu od ostatn\u00edch prohl\u00ed\u017ee\u010d\u016f.\n<\/li>\n<\/ul>\n<\/li>\n<li>N\u00e1stroje pro v\u00fdvoj\u00e1\u0159e:\n<ul>\n<li>Rozpozn\u00e1v\u00e1n\u00ed nefunguj\u00edc\u00edch pravidel CSS nyn\u00ed <a rel=\"nofollow\" href=\"https:\/\/hacks.mozilla.org\/files\/2020\/03\/inactive-css-positioning.png\">syst\u00e9mov\u00e9 nastaven\u00ed geolokace, kdy\u017e u\u017eivatel povol\u00ed webov\u00e9 str\u00e1nce ur\u010dov\u00e1n\u00ed polohy. Pokud je geolokace na \u00farovni OS vypnut\u00e1, prohl\u00ed\u017ee\u010d po\u017e\u00e1d\u00e1 u\u017eivatele, aby ji povolil.<\/a> umo\u017e\u0148uje pozicov\u00e1n\u00ed prvk\u016f.\n<\/li>\n<li>JavaScript debugger <a rel=\"nofollow\" href=\"https:\/\/hacks.mozilla.org\/files\/2020\/03\/debugger-nested-worker.png\">se nau\u010dil<\/a> umo\u017e\u0148uje ladit vno\u0159en\u00e9 webov\u00e9 pracovn\u00edky.\n<\/li>\n<li>Byla zlep\u0161ena integrace s dopl\u0148kem <a rel=\"nofollow\" href=\"https:\/\/addons.mozilla.org\/firefox\/addon\/react-devtools\/\">React Developer Tools<\/a>.\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/mozilla\/15575185\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d Firefox 74. \u041c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u043f\u0430\u0440\u043e\u043b\u0435\u0439 \u043d\u0430\u0443\u0447\u0438\u043b\u0441\u044f \u0441\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u0438 \u0432 \u043e\u0431\u0440\u0430\u0442\u043d\u043e\u043c \u043f\u043e\u0440\u044f\u0434\u043a\u0435 (\u042f-\u0410). \u041f\u043e\u043a\u043e\u043d\u0447\u0435\u043d\u043e \u0441 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f\u043c\u0438, \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u043c\u0438 \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u043e (\u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0432 %ProgramFiles%Mozilla Firefoxextensions). \u041f\u043e\u0434\u043e\u0431\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043f\u0440\u0435\u0434\u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0432 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u0445, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u043d\u0430\u0432\u044f\u0437\u044b\u0432\u0430\u043d\u0438\u044f \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0439 \u043f\u0440\u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0435 \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0435\u0433\u043e \u041f\u041e. \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0441\u043e\u0447\u043b\u0438 \u0435\u0433\u043e \u043f\u043e\u0440\u043e\u0447\u043d\u044b\u043c, \u0432\u0435\u0434\u044c \u044d\u0442\u043e \u043b\u0438\u0448\u0430\u0435\u0442 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0442\u0430\u043a\u0438\u0435 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-73640","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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