{"id":184017,"date":"2026-10-27T23:40:45","date_gmt":"2026-10-27T21:40:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/reliz-firefox-159"},"modified":"2026-10-27T23:40:50","modified_gmt":"2026-10-27T21:40:50","slug":"firefox-159-release","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/firefox-159-release","title":{"rendered":"Verze Firefox 159","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl vyd\u00e1n webov\u00fd prohl\u00ed\u017ee\u010d Firefox 159 a byly vytvo\u0159eny aktualizace minul\u00fdch v\u011btv\u00ed s dlouhou dobou podpory \u2014 153.6.0 a 115.44.0. V r\u00e1mci nov\u00e9ho dvout\u00fddenn\u00edho cyklu vyd\u00e1v\u00e1n\u00ed byla do beta testov\u00e1n\u00ed p\u0159evedena v\u011btev Firefox 160, jej\u00ed\u017e vyd\u00e1n\u00ed je napl\u00e1nov\u00e1no na 10. listopadu. <\/p>\n<p>Hlavn\u00ed novinky ve Firefoxu 159 (1, 2, 3):<\/p>\n<ul>\n<li class=\"l\"> Do bo\u010dn\u00edho panelu byla p\u0159id\u00e1na tla\u010d\u00edtko pro p\u0159\u00edstup k ulo\u017een\u00fdm hesl\u016fm.\n<p><center><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/10\/0fd08ab48c6568ef1b6f84718a0e96d2.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<li class=\"l\"> Do re\u017eimu \u201eSmart Window\u201c, kter\u00fd poskytuje zvl\u00e1\u0161tn\u00ed prostor pro interakci s AI, byla p\u0159id\u00e1na funkce sledov\u00e1n\u00ed zm\u011bn na str\u00e1nk\u00e1ch. Nap\u0159\u00edklad pomoc\u00ed nov\u00e9 funkce je mo\u017en\u00e9 sledovat pokles cen produkt\u016f v internetov\u00fdch obchodech. Pro aktivaci sledov\u00e1n\u00ed je t\u0159eba pou\u017e\u00edt p\u0159\u00edkaz \u201e\/watch\u201c v chatu se zabudovan\u00fdm AI asistentem v prohl\u00ed\u017ee\u010di, a pro \u0159\u00edzen\u00ed \u2014 tla\u010d\u00edtko Tasks na panelu nebo str\u00e1nku about:smartwindowtasks. P\u0159i zji\u0161t\u011bn\u00ed zm\u011bny Firefox zobraz\u00ed ozn\u00e1men\u00ed.\n<li class=\"l\"> AI funkce shrnut\u00ed obsahu str\u00e1nek byla p\u0159epracov\u00e1na tak, aby AI poskytovateli neodes\u00edlala text ze str\u00e1nky, ale odkaz na str\u00e1nku, co\u017e vy\u0159e\u0161ilo probl\u00e9my s ne\u00faplnou anal\u00fdzou str\u00e1nek.\n<li class=\"l\"> Byly p\u0159id\u00e1ny kl\u00e1vesov\u00e9 zkratky: Ctrl+Shift+A pro hled\u00e1n\u00ed mezi otev\u0159en\u00fdmi kartami a Ctrl+Shift+F pro p\u0159echod k ovl\u00e1d\u00e1n\u00ed roz\u0161\u00ed\u0159en\u00ed nebo motiv\u016f. Kombinace kl\u00e1ves lze zm\u011bnit na str\u00e1nce about:keyboard.\n<li class=\"l\"> Ve verz\u00edch pro macOS byl vyu\u017eit nativn\u00ed rozhran\u00ed t\u00e9to platformy pro odes\u00edl\u00e1n\u00ed informac\u00ed p\u0159es jin\u00e9 aplikace, jako je AirDrop a Messages. P\u0159id\u00e1na mo\u017enost odeslat n\u011bkolik vybran\u00fdch karet najednou.\n<li class=\"l\"> V n\u00e1stroj\u00edch pro webov\u00e9 v\u00fdvoj\u00e1\u0159e bylo v konzoli webu povoleno p\u0159episov\u00e1n\u00ed prom\u011bnn\u00fdch, kter\u00e9 byly d\u0159\u00edve deklarov\u00e1ny pomoc\u00ed kl\u00ed\u010dov\u00fdch slov let, const a class.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora animace spojen\u00e9 se scrollov\u00e1n\u00edm obsahu (Scroll-driven Animation), pomoc\u00ed kter\u00e9 lze vytv\u00e1\u0159et indik\u00e1tory pro vizu\u00e1ln\u00ed zobrazen\u00ed pozice na str\u00e1nce nebo p\u0159id\u00e1vat efekty, kter\u00e9 m\u011bn\u00ed obsah p\u0159i zobrazen\u00ed v oblasti viditelnosti b\u011bhem scrollov\u00e1n\u00ed. K dispozici jsou dva re\u017eimy \u201eScrollTimeline\u201c pro p\u0159i\u0159azen\u00ed k pozici scrollov\u00e1n\u00ed v koordina\u010dn\u00ed ose a \u201eViewTimeline\u201c pro p\u0159i\u0159azen\u00ed k relativn\u00edmu posunu zobrazen\u00ed jednotliv\u00fdch prvk\u016f obsahu v oblasti scrollov\u00e1n\u00ed. Byly p\u0159id\u00e1ny nov\u00e9 vlastnosti CSS animation-timeline, scroll-timeline, view-timeline a animation-range.\n<li class=\"l\"> Byla realizov\u00e1na podpora registr\u016f u\u017eivatelsk\u00fdch prvk\u016f pro rozd\u011blen\u00ed oblasti viditelnosti u\u017eivatelsk\u00fdch HTML prvk\u016f, co\u017e m\u016f\u017ee b\u00fdt pot\u0159eba p\u0159i pou\u017eit\u00ed v\u00edce r\u016fzn\u00fdch u\u017eivatelsk\u00fdch HTML prvk\u016f se stejn\u00fdm n\u00e1zvem na jedn\u00e9 str\u00e1nce. V p\u0159\u00edpad\u011b pou\u017eit\u00ed v\u00edce knihoven, kter\u00e9 definuj\u00ed prvek se stejn\u00fdm n\u00e1zvem, lze pomoc\u00ed JavaScript konstruktora CustomElementRegistry() p\u0159i\u0159adit prvky ka\u017ed\u00e9 knihovny k ur\u010dit\u00fdm \u010d\u00e1stem hierarchie DOM, kter\u00e9 se nep\u0159ekr\u00fdvaj\u00ed s glob\u00e1ln\u00edm registrem window.customElements. Nap\u0159\u00edklad pokud dv\u011b knihovny definuj\u00ed r\u016fzn\u00e9 prvky se stejn\u00fdm n\u00e1zvem , lze v jedn\u00e9 \u010d\u00e1sti str\u00e1nky pou\u017e\u00edt prvek  z prvn\u00ed knihovny a v jin\u00e9 \u010d\u00e1sti \u2014 z druh\u00e9.\n<li class=\"l\"> V API WebGL byla p\u0159id\u00e1na podpora roz\u0161\u00ed\u0159en\u00ed EXT_clip_control a EXT_texture_mirror_clamp_to_edge, a v WebGL 2 \u2014 roz\u0161\u00ed\u0159en\u00ed EXT_texture_norm16.\n<li class=\"l\"> V API Sanitizer byla realizov\u00e1na \u010distka HTML k\u00f3du v pr\u016fb\u011bhu parsov\u00e1n\u00ed, p\u0159ed p\u0159id\u00e1n\u00edm prvk\u016f do stromu DOM, co\u017e vy\u0159e\u0161ilo probl\u00e9m s spou\u0161t\u011bn\u00edm konstrukt\u00e9r\u016f u\u017eivatelsk\u00fdch prvk\u016f, kter\u00e9 byly vymaz\u00e1ny b\u011bhem t\u00e9to \u010distky.\n<li class=\"l\"> Ve verzi pro Android byla v\u00fdznamn\u011b sn\u00ed\u017eena intenzita obnovov\u00e1n\u00ed karet na za\u0159\u00edzen\u00edch Xiaomi a Redmi. Byla vy\u0159e\u0161ena probl\u00e9m s p\u0159ehr\u00e1v\u00e1n\u00edm videa na str\u00e1nk\u00e1ch jako The New York Times.\n<li class=\"l\"> Ve Firefox Enterprise m\u00e1 administr\u00e1tor mo\u017enost po\u017e\u00e1dat o op\u011btovn\u00e9 p\u0159ihl\u00e1\u0161en\u00ed pomoc\u00ed firemn\u00edho \u00fa\u010dtu p\u0159ed obnovou relace po hav\u00e1rii procesu. Pro verze Firefox Enterprise bylo zaji\u0161t\u011bno vytv\u00e1\u0159en\u00ed dat SBOM (Software Bill of Materials). Ve v\u00fdchoz\u00edm nastaven\u00ed je zak\u00e1z\u00e1no pou\u017e\u00edv\u00e1n\u00ed AI p\u0159i automatick\u00e9m vypl\u0148ov\u00e1n\u00ed formul\u00e1\u0159\u016f.\n<\/ul>\n<p>Krom\u011b novinek a oprav chyb ve Firefoxu 159 bylo odstran\u011bno 167 zranitelnost\u00ed, z nich\u017e 108 m\u00e1 vysokou \u00farove\u0148 nebezpe\u010dnosti. V\u011bt\u0161ina zranitelnost\u00ed byla zp\u016fsobena probl\u00e9my p\u0159i pr\u00e1ci s pam\u011bt\u00ed, jako jsou p\u0159ete\u010den\u00ed bufferu a p\u0159\u00edstup k ji\u017e uvoln\u011bn\u00fdm oblastem pam\u011bti. Tyto probl\u00e9my mohou potenci\u00e1ln\u011b v\u00e9st k vykon\u00e1n\u00ed k\u00f3du \u00fato\u010dn\u00edka p\u0159i otev\u0159en\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00fdch str\u00e1nek.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66557\">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 159 \u0438 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0448\u043b\u044b\u0445 \u0432\u0435\u0442\u043e\u043a \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 &#8212; 153.6.0 \u0438 115.44.0. \u0412 \u0440\u0430\u043c\u043a\u0430\u0445 \u043d\u043e\u0432\u043e\u0433\u043e \u0434\u0432\u0443\u0445\u043d\u0435\u0434\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0446\u0438\u043a\u043b\u0430 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u043b\u0438\u0437\u043e\u0432 \u043d\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 160, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 10 \u043d\u043e\u044f\u0431\u0440\u044f. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043d\u043e\u0432\u0448\u0435\u0441\u0442\u0432\u0430 \u0432 Firefox 159 (1, 2, 3): \u0412 \u0431\u043e\u043a\u043e\u0432\u0443\u044e \u043f\u0430\u043d\u0435\u043b\u044c \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043a\u043d\u043e\u043f\u043a\u0430 \u0434\u043b\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":184019,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-184017","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - 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