{"id":76777,"date":"2020-04-04T19:42:19","date_gmt":"2020-04-04T17:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/beta-vypusk-ubuntu-20-04"},"modified":"2020-04-04T19:42:19","modified_gmt":"2020-04-04T17:42:19","slug":"beta-vypusk-ubuntu-20-04","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/beta-vypusk-ubuntu-20-04","title":{"rendered":"Beta verze Ubuntu 20.04","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/lists.ubuntu.com\/archives\/ubuntu-announce\/2020-April\/000255.html\">P\u0159edstaven\u00ed<\/a><\/noindex> Beta verze distribuce Ubuntu 20.04 \u201eFocal Fossa\u201c, kter\u00e1 znamenala \u00fapln\u00e9 zmrazen\u00ed bal\u00ed\u010dkov\u00e9 z\u00e1kladny a p\u0159e\u0161la k fin\u00e1ln\u00edmu testov\u00e1n\u00ed a oprav\u011b chyb. V\u00fdrelease, kter\u00fd spad\u00e1 do kategorie verz\u00ed s dlouhodobou podporou (LTS), pro kter\u00e9 budou aktualizace k dispozici po dobu 5 let, je napl\u00e1nov\u00e1n na 23. dubna. Hotov\u00e9 testovac\u00ed obrazy byly vytvo\u0159eny pro <noindex><a rel=\"nofollow\" href=\"https:\/\/releases.ubuntu.com\/20.04\/\">Ubuntu, Ubuntu Server<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/cdimage.ubuntu.com\/lubuntu\/releases\/19.04\/beta\">Lubuntu<\/a><\/noindex>,  <noindex><a rel=\"nofollow\" href=\"http:\/\/cdimage.ubuntu.com\/kubuntu\/releases\/20.04\/beta\">Kubuntu<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/cdimage.ubuntu.com\/ubuntu-mate\/releases\/20.04\/beta\">Ubuntu Mate<\/a><\/noindex>, <a rel=\"nofollow\" href=\"http:\/\/cdimage.ubuntu.com\/ubuntu-budgie\/releases\/20.04\/beta\">Ubuntu<br \/>\nBudgie<\/a>, <noindex><a rel=\"nofollow\" href=\"http:\/\/cdimage.ubuntu.com\/ubuntustudio\/releases\/20.04\/beta\/\">Ubuntu Studio<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/cdimage.ubuntu.com\/xubuntu\/releases\/20.04\/beta\/\">Xubuntu<\/a><\/noindex>  a UbuntuKylin (edice pro \u010c\u00ednu).<\/p>\n<p>Hlavn\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.ubuntu.com\/FocalFossa\/ReleaseNotes\">zm\u011bny<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Pracovn\u00ed plocha byla aktualizov\u00e1na na vyd\u00e1n\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52505\">GNOME 3.36<\/a><\/noindex>. Byla p\u0159epracov\u00e1na v\u00fdchoz\u00ed \u0161ablona vzhledu Yaru, kter\u00e1 nyn\u00ed vedle d\u0159\u00edve dostupn\u00fdch tmav\u00e9ho (tmav\u00e9 z\u00e1hlav\u00ed, tmav\u00e9 pozad\u00ed a tmav\u00e9 ovl\u00e1dac\u00ed prvky) a sv\u011btl\u00e9ho (tmav\u00e9 z\u00e1hlav\u00ed, sv\u011btl\u00e9 pozad\u00ed a sv\u011btl\u00e9 ovl\u00e1dac\u00ed prvky) re\u017eim\u016f bude m\u00edt t\u0159et\u00ed, zcela sv\u011btlou variantu. Bylo navr\u017eeno nov\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed syst\u00e9mov\u00e9ho menu a menu aplikac\u00ed. P\u0159id\u00e1ny nov\u00e9 ikony slo\u017eek, kter\u00e9 jsou optimalizov\u00e1ny pro zobrazen\u00ed na sv\u011btl\u00e9m a tmav\u00e9m pozad\u00ed.\n<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/admin.insights.ubuntu.com\/wp-content\/uploads\/c5a0\/after_light_dark.jpg\"><img decoding=\"async\" alt=\"Beta verze Ubuntu 20.04 \" src=\"\/wp-content\/uploads\/2020\/04\/fe21eecb4aa23be82ba30df7eeda5153.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Bylo implementov\u00e1no nov\u00e9 rozhran\u00ed pro zm\u011bnu variant vzhledu. <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/admin.insights.ubuntu.com\/wp-content\/uploads\/1817\/Appearence-panels-insitu_1.jpg\"><img decoding=\"async\" alt=\"Beta verze Ubuntu 20.04 \" src=\"\/wp-content\/uploads\/2020\/04\/6e2f94ba43d4c5e6ed60d5ba42773f14.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> Byla provedena optimalizace v\u00fdkonu GNOME Shell a spr\u00e1vce oken. Bylo sn\u00ed\u017eeno zat\u00ed\u017een\u00ed procesoru a zkr\u00e1ceny zpo\u017ed\u011bn\u00ed p\u0159i vykreslov\u00e1n\u00ed animace p\u0159i manipulaci s okny, p\u0159i pohybu my\u0161i a p\u0159i otev\u0159en\u00ed re\u017eimu n\u00e1hledu.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora 10bitov\u00e9 barevn\u00e9 hloubky.\n<li class=\"l\"> Pro X11 byla implementov\u00e1na podpora frak\u010dn\u00edho m\u011b\u0159\u00edtka, kter\u00e1 byla d\u0159\u00edve dostupn\u00e1 pouze p\u0159i pou\u017e\u00edv\u00e1n\u00ed Waylandu. Tato funkce umo\u017e\u0148uje p\u0159izp\u016fsobit optim\u00e1ln\u00ed velikost prvk\u016f na obrazovk\u00e1ch s vysokou hustotou pixel\u016f (HiDPI), nap\u0159\u00edklad lze zv\u011bt\u0161it zobrazen\u00e9 prvky rozhran\u00ed ne v 2, ale v 1,5 n\u00e1sobku.\n<li class=\"l\"> Byla p\u0159id\u00e1na nov\u00e1 obrazovka, kter\u00e1 se zobrazuje p\u0159i spu\u0161t\u011bn\u00ed.\n<li class=\"l\"> J\u00e1dro Linux bylo aktualizov\u00e1no na verzi <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51881\">5.4<\/a><\/noindex>. Stejn\u011b jako v podzimn\u00edm vyd\u00e1n\u00ed, pro kompresi j\u00e1dra a po\u010d\u00e1te\u010dn\u00ed zav\u00e1d\u011bc\u00ed obrazec initramf se pou\u017e\u00edv\u00e1 algoritmus LZ4, kter\u00fd umo\u017enil zkr\u00e1tit dobu zav\u00e1d\u011bn\u00ed d\u00edky rychlej\u0161\u00edmu rozbalen\u00ed dat.\n<li class=\"l\"> Byly aktualizov\u00e1ny syst\u00e9mov\u00e9 komponenty a v\u00fdvojov\u00e9 n\u00e1stroje: Glibc 2.31, BlueZ 5.53, OpenJDK 11, rustc 1.41, GCC 9.3, Python 3.8.2, ruby 2.7.0, Ruby on Rails 5.2.3, php 7.4, perl 5.30, go 1.13.\n<li class=\"l\"> Byly aktualizov\u00e1ny u\u017eivatelsk\u00e9 a grafick\u00e9 aplikace:<br \/>\n Mesa 20.0, PulseAudio 14.0-pre, Firefox 74.0, Thunderbird 68.6.0, LibreOffice 6.4 <\/p>\n<li class=\"l\"> Byly aktualizov\u00e1ny aplikace pro servery a virtualizaci:<br \/>\nQEMU 4.2, libvirt 6.0, Bind 9.16, HAProxy 2.0, OpenSSH 8.2 (s podporou dvoufaktorov\u00e9 autentizace pomoc\u00ed token\u016f FIDO\/U2F). V Apache httpd byla aktivov\u00e1na podpora TLSv1.3. Byla p\u0159id\u00e1na podpora VPN WireGuard.<\/p>\n<li class=\"l\"> Demon synchronizace p\u0159esn\u00e9ho \u010dasu chrony byl aktualizov\u00e1n na verzi 3.5 a nav\u00edc byl izolov\u00e1n od syst\u00e9mu prost\u0159ednictv\u00edm p\u0159ipojen\u00ed filtru syst\u00e9mov\u00fdch vol\u00e1n\u00ed.\n<li class=\"l\"> Pokra\u010duje v\u00fdvoj experiment\u00e1ln\u00ed funkce pro instalaci na ko\u0159enovou \u010d\u00e1st s ZFS. Implementace ZFSonLinux byla aktualizov\u00e1na na vyd\u00e1n\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50730\">0.8.3<\/a><\/noindex> s podporou \u0161ifrov\u00e1n\u00ed, hot-plugging za\u0159\u00edzen\u00ed, p\u0159\u00edkazem \u201ezpool trim\u201c, zrychlen\u00edm p\u0159\u00edkaz\u016f \u201escrub\u201c a \u201eresilver\u201c. Pro spr\u00e1vu ZFS se vyv\u00edj\u00ed d\u00e9mon zsys, kter\u00fd umo\u017e\u0148uje spustit n\u011bkolik paraleln\u00edch syst\u00e9m\u016f s ZFS na jednom po\u010d\u00edta\u010di, automatizuje vytv\u00e1\u0159en\u00ed snapshot\u016f a spravuje odd\u011blov\u00e1n\u00ed syst\u00e9mov\u00fdch a m\u011bn\u011bn\u00fdch dat b\u011bhem u\u017eivatelsk\u00e9 relace. R\u016fzn\u00e9 snapshoty mohou obsahovat r\u016fzn\u00e9 stavy syst\u00e9mu a umo\u017e\u0148uj\u00ed p\u0159ep\u00edn\u00e1n\u00ed mezi nimi. Nap\u0159\u00edklad, pokud nastanou probl\u00e9my po instalaci aktualizac\u00ed, lze se vr\u00e1tit do star\u0161\u00ed stabiln\u00ed verze v\u00fdb\u011brem minul\u00e9ho snapshotu. Snapshoty lze tak\u00e9 vyu\u017e\u00edt pro transparentn\u00ed a automatick\u00e9 z\u00e1lohov\u00e1n\u00ed u\u017eivatelsk\u00fdch dat.\n<li class=\"l\"> Ve srovn\u00e1n\u00ed s p\u0159edchoz\u00edm LTS vyd\u00e1n\u00edm nahradil Snap Store Ubuntu-software jako n\u00e1stroj, kter\u00fd se pou\u017e\u00edv\u00e1 jako v\u00fdchoz\u00ed pro vyhled\u00e1v\u00e1n\u00ed a instalaci b\u011b\u017en\u00fdch a snap bal\u00ed\u010dk\u016f.\n<li class=\"l\"> Byla zastavena konstrukce bal\u00ed\u010dk\u016f pro architekturu i386. Pro pokra\u010dov\u00e1n\u00ed \u010dinnosti zastaral\u00fdch program\u016f, kter\u00e9 z\u016fst\u00e1vaj\u00ed pouze v 32bitov\u00e9 podob\u011b nebo vy\u017eaduj\u00ed 32bitov\u00e9 knihovny, je zaji\u0161\u0165ov\u00e1na konstrukce a dod\u00e1vka <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51946\">samostatn\u00e9 sady<\/a><\/noindex> 32bitov\u00fdch bal\u00ed\u010dk\u016f s knihovnami.\n<li class=\"l\"> V <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.ubuntu.com\/FocalFossa\/Beta\/Kubuntu\">Kubuntu<\/a><\/noindex>   Byl navr\u017een pracovn\u00ed st\u016fl KDE Plasma 5.18, sada aplikac\u00ed KDE Applications 19.12.3 a r\u00e1mec Qt 5.12.5. V\u00fdchoz\u00ed hudebn\u00ed p\u0159ehr\u00e1va\u010d je Elisa 19.12.3, kter\u00e1 nahradila Cantatu. Aktualizov\u00e1ny byly latte-dock 0.9.10, KDEConnect 1.4.0, Krita 4.2.9, Kdevelop 5.5.0. Byla zastavena podpora aplikac\u00ed KDE4 a Qt4.<br \/>\nByla navr\u017eena experiment\u00e1ln\u00ed relace zalo\u017een\u00e1 na Waylandu (po instalaci bal\u00ed\u010dku plasma-workspace-wayland se na p\u0159ihla\u0161ovac\u00ed obrazovce objev\u00ed voliteln\u00e1 polo\u017eka \u201ePlasma (Wayland)\u201c).<br \/>\n<center><noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.ubuntu.com\/FocalFossa\/Beta\/Kubuntu?action=AttachFile&#038;do=get&#038;target=FocalPlasma800.png\"><img decoding=\"async\" alt=\"Beta verze Ubuntu 20.04 \" src=\"\/wp-content\/uploads\/2020\/04\/2793cdb1afaf8f81aa040a51e130651e.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ubuntu-mate.org\/blog\/ubuntu-mate-focal-fossa-release-notes\/\">Ubuntu MATE 20.04<\/a><\/noindex>: Pracovn\u00ed st\u016fl MATE byl aktualizov\u00e1n na verzi <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52349\">1.24<\/a><\/noindex>. Bylo p\u0159id\u00e1no rozhran\u00ed pro aktualizaci firmwaru pomoc\u00ed fwupd. Z dod\u00e1vky byly odstran\u011bny Compiz a Compton. Bylo zaji\u0161t\u011bno zobrazen\u00ed n\u00e1hled\u016f oken na panelu, v rozhran\u00ed p\u0159ep\u00edn\u00e1n\u00ed \u00faloh (Alt-Tab) a v p\u0159ep\u00edna\u010di pracovn\u00edch ploch. Byl navr\u017een nov\u00fd applet pro zobrazov\u00e1n\u00ed ozn\u00e1men\u00ed. Jako e-mailov\u00e9ho klienta byl m\u00edsto Thunderbirdu nasazen Evolution. P\u0159i instalaci propriet\u00e1rn\u00edch ovlada\u010d\u016f NVIDIA, kter\u00e9 lze vybrat v instala\u010dn\u00edm programu, byl navr\u017een applet pro p\u0159ep\u00edn\u00e1n\u00ed mezi r\u016fzn\u00fdmi GPU v syst\u00e9mech s hybridn\u00ed grafikou (NVIDIA Optimus).\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/ubuntu-mate.org\/images\/blog\/focal\/focal-fossa-desktop.png\"><img decoding=\"async\" alt=\"Beta verze Ubuntu 20.04 \" src=\"\/wp-content\/uploads\/2020\/04\/aa86f9f2a19c9342b048a845d7133439.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ubuntubudgie.org\/2020\/04\/02\/ubuntu-budgie-20-04lts-release-notes\/\">Ubuntu Budgie<\/a><\/noindex>: Ve v\u00fdchoz\u00edm nastaven\u00ed je aktivov\u00e1n applet s menu aplikac\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/reposcope.com\/package\/budgie-applications-menu-applet\">Stylish<\/a><\/noindex> a vlastn\u00ed applet pro spr\u00e1vu s\u00ed\u0165ov\u00fdch nastaven\u00ed.<br \/>\nBylo p\u0159id\u00e1no rozhran\u00ed pro rychl\u00e9 p\u0159ep\u00edn\u00e1n\u00ed rozlo\u017een\u00ed pracovn\u00edho stolu (Budgie, Classic Ubuntu Budgie, Ubuntu Budgie, Cupertino, The One<br \/>\n a Redmond).<br \/>\nDo z\u00e1kladn\u00edho bal\u00ed\u010dku byly zahrnuty aplikace GNOME Firmware a GNOME Drawing.<br \/>\n Byla vylep\u0161ena integrace s GNOME 3.36. Pracovn\u00ed plocha Budgie byla aktualizov\u00e1na na verzi 10.5.1. Byly p\u0159id\u00e1ny mo\u017enosti antialiasingu a hintingu p\u00edsem. Ve v\u00fdchoz\u00edm nastaven\u00ed byl deaktivov\u00e1n applet se syst\u00e9movou li\u0161tou (kv\u016fli probl\u00e9m\u016fm p\u0159i pou\u017e\u00edv\u00e1n\u00ed). Applet byl p\u0159izp\u016fsoben pro obrazovky HiDPI.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/ubuntubudgie.org\/wp-content\/uploads\/2020\/04\/shuff1.jpg\"><img decoding=\"async\" alt=\"Beta verze Ubuntu 20.04 \" src=\"\/wp-content\/uploads\/2020\/04\/99f6e89e2cd554721d31aa7245929599.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.ubuntu.com\/FocalFossa\/ReleaseNotes\/UbuntuStudio\">Ubuntu Studio<\/a><\/noindex>: V Ubuntu Studio Controls byly odd\u011bleny nastaven\u00ed Jack Master, dal\u0161\u00ed za\u0159\u00edzen\u00ed a vrstvy k PulseAudio. Byly aktualizov\u00e1ny RaySession 0.8.3, Audacity 2.3.3, Hydrogen 1.0.0-beta2, Carla 2.1-RC2,<br \/>\nBlender 2.82, KDEnlive 19.12.3, Krita 4.2.9, GIMP 2.10.18,<br \/>\nArdour 5.12.0, Scribus 1.5.5, Darktable 2.6.3, Pitivi 0.999, Inkscape 0.92.4, OBS Studio 25.0.3, MyPaint 2.0.0, Rawtherapee 5.8. <\/p>\n<li class=\"l\"> V <noindex><a rel=\"nofollow\" href=\"https:\/\/wiki.xubuntu.org\/releases\/20.04\/release-notes\">Xubuntu<\/a><\/noindex> bylo ozn\u00e1meno zaveden\u00ed tmav\u00e9ho designu. V <noindex><a rel=\"nofollow\" href=\"https:\/\/lubuntu.me\/\">Lubuntu<\/a><\/noindex> jsou patrn\u00e9 pouze drobn\u00e9 zm\u011bny a aktualizace.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52674\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0431\u0435\u0442\u0430-\u0432\u044b\u043f\u0443\u0441\u043a \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Ubuntu 20.04 &#171;Focal Fossa&#187;, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0437\u043d\u0430\u043c\u0435\u043d\u043e\u0432\u0430\u043b \u043f\u043e\u043b\u043d\u0443\u044e \u0437\u0430\u043c\u043e\u0440\u043e\u0437\u043a\u0443 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0439 \u0431\u0430\u0437\u044b \u0438 \u043f\u0435\u0440\u0435\u0448\u0451\u043b \u043a \u0438\u0442\u043e\u0433\u043e\u0432\u043e\u043c\u0443 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e \u0438 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044e \u043e\u0448\u0438\u0431\u043e\u043a. \u0420\u0435\u043b\u0438\u0437, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u043d\u0435\u0441\u0451\u043d \u043a \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u0438 \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u0432 \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 (LTS), \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u044e\u0442\u0441\u044f \u0432 \u0442\u0435\u0447\u0435\u043d\u0438\u0435 5 \u043b\u0435\u0442, \u0437\u0430\u043f\u043b\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d \u043d\u0430 23 \u0430\u043f\u0440\u0435\u043b\u044f. \u0413\u043e\u0442\u043e\u0432\u044b\u0435 \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0435 \u043e\u0431\u0440\u0430\u0437\u044b \u0441\u043e\u0437\u0434\u0430\u043d\u044b \u0434\u043b\u044f Ubuntu, Ubuntu Server, Lubuntu, Kubuntu, Ubuntu [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":76778,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-76777","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 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d 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