{"id":102516,"date":"2021-12-07T21:36:48","date_gmt":"2021-12-07T19:36:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-firefox-95"},"modified":"2021-12-07T21:36:48","modified_gmt":"2021-12-07T19:36:49","slug":"reliz-firefox-95","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/reliz-firefox-95","title":{"rendered":"Lan\u00e7amento do Firefox 95","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o navegador web Firefox 95. Al\u00e9m disso, uma atualiza\u00e7\u00e3o da ramifica\u00e7\u00e3o de suporte a longo prazo foi formada \u2014 91.4.0. Em breve, a ramifica\u00e7\u00e3o Firefox 96 ser\u00e1 colocada em fase de beta-teste, com lan\u00e7amento agendado para 11 de janeiro.     <\/p>\n<p>Principais novidades:  <\/p>\n<ul>\n<li class=\"l\"> Para todas as plataformas suportadas, foi implementado um n\u00edvel adicional de isolamento, baseado na tecnologia RLBox. A camada de isolamento proposta garante a prote\u00e7\u00e3o contra problemas de seguran\u00e7a em bibliotecas de fun\u00e7\u00f5es de terceiros, que n\u00e3o est\u00e3o sob o controle dos desenvolvedores do Firefox, mas podem comprometer o projeto principal caso vulnerabilidades sejam identificadas. Nesta vers\u00e3o, o RLBox foi aplicado para isolar as bibliotecas Graphite, Hunspell e Ogg, e na pr\u00f3xima vers\u00e3o, espera-se a isola\u00e7\u00e3o do Expat e Woff2.\n<p>O funcionamento do RLBox consiste na compila\u00e7\u00e3o de c\u00f3digo C\/C++ da biblioteca isolada em c\u00f3digo intermedi\u00e1rio de baixo n\u00edvel WebAssembly, que \u00e9 ent\u00e3o estruturado como um m\u00f3dulo WebAssembly, cujos poderes s\u00e3o definidos apenas para esse m\u00f3dulo (por exemplo, uma biblioteca para processamento de strings n\u00e3o poder\u00e1 abrir um socket de rede ou arquivo). Para execu\u00e7\u00e3o direta, o m\u00f3dulo WebAssembly \u00e9 compilado em c\u00f3digo de m\u00e1quina usando o compilador wasm2c e executado em uma \u00e1rea de mem\u00f3ria separada, sem acesso ao restante do espa\u00e7o de endere\u00e7amento.     <center><img decoding=\"async\" alt=\"Lan\u00e7amento do Firefox 95\" src=\"\/wp-content\/uploads\/2021\/12\/229fda6bec8c39efd31d1b56ccb24e84.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<li class=\"l\"> Para todos os usu\u00e1rios, o modo de isolamento rigoroso de sites, desenvolvido no \u00e2mbito do projeto Fission, foi ativado. Diferentemente da distribui\u00e7\u00e3o arbitr\u00e1ria de processamento de abas at\u00e9 agora utilizada, que alocava um pool dispon\u00edvel de processos (por padr\u00e3o 8), o modo de isolamento rigoroso fornece o processamento de cada site em seu pr\u00f3prio processo, com divis\u00e3o n\u00e3o por abas, mas por dom\u00ednios (Public Suffix).\n<p>O modo de isolamento rigoroso proporciona uma prote\u00e7\u00e3o mais confi\u00e1vel contra ataques do tipo Spectre, reduz a fragmenta\u00e7\u00e3o de mem\u00f3ria, permite isolar ainda mais o conte\u00fado de scripts externos e blocos iframe, retorna a mem\u00f3ria ao sistema operacional de forma mais eficiente, minimiza o impacto da coleta de lixo e dos c\u00e1lculos intensivos nas p\u00e1ginas de outros processos, aumenta a efici\u00eancia da distribui\u00e7\u00e3o de carga em diferentes n\u00facleos de CPU e melhora a estabilidade (a falha do processo que manipula o iframe n\u00e3o afetar\u00e1 o site principal e outras abas). O custo \u00e9 um aumento geral no consumo de mem\u00f3ria com um grande n\u00famero de sites abertos.           <\/p>\n<li class=\"l\"> O trabalho em melhorias na compatibilidade com o protocolo Wayland foi continuado. O port do Firefox para Wayland foi atualizado para igualdade funcional com a vers\u00e3o para X11 ao operar no ambiente GNOME do Fedora.\n<li class=\"l\"> No menu contextual do modo &#171;imagem na imagem&#187; (Picture-in-Picture), foi adicionada uma op\u00e7\u00e3o para mover o bot\u00e3o de altern\u00e2ncia de modo de visualiza\u00e7\u00e3o para o lado oposto no v\u00eddeo.     <center><img decoding=\"async\" alt=\"Lan\u00e7amento do Firefox 95\" src=\"\/wp-content\/uploads\/2021\/12\/eb95d0e1847a0b7999aba9303454c742.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Foi implementada a tecnologia de compila\u00e7\u00e3o antecipada de c\u00f3digo JavaScript, que melhorou o desempenho de carregamento de p\u00e1ginas. Foram feitas otimiza\u00e7\u00f5es no sistema de gerenciamento de mem\u00f3ria.\n<li class=\"l\"> Foi inclu\u00edda a redefini\u00e7\u00e3o do valor do User Agent para o site Slack.com, permitindo o acesso a recursos adicionais do Slack, como chamadas de voz\/v\u00eddeo e confer\u00eancias (huddles), que anteriormente n\u00e3o eram disponibilizados ao abrir o site no Firefox.\n<li class=\"l\"> Foi implementado em todas as plataformas o suporte ao atributo global inputmode, usado para indicar informa\u00e7\u00f5es sobre os tipos de dados que podem ser inseridos ao editar um elemento. Essas informa\u00e7\u00f5es s\u00e3o utilizadas para escolher o teclado na tela mais adequado para a edi\u00e7\u00e3o do elemento atual em dispositivos com tela sens\u00edvel ao toque. Anteriormente, o suporte ao inputmode estava limitado apenas \u00e0 plataforma Android.\n<li class=\"l\"> Foi adicionada a fun\u00e7\u00e3o Crypto.randomUUID(), que retorna um UUID de 36 caracteres criptograficamente seguro.\n<li class=\"l\"> Nas compila\u00e7\u00f5es para a plataforma macOS, a carga sobre o CPU durante o processamento de eventos foi reduzida, o lan\u00e7amento de processos de processamento de conte\u00fado foi acelerado e o consumo de energia foi diminu\u00eddo durante a decodifica\u00e7\u00e3o de v\u00eddeo, incluindo na reprodu\u00e7\u00e3o de v\u00eddeos de sites como Netflix e Amazon Prime Video.\n<li class=\"l\"> Para as plataformas Windows 10 e Windows 11, \u00e9 poss\u00edvel instalar o Firefox a partir do cat\u00e1logo Microsoft Store.\n<li class=\"l\"> Na vers\u00e3o para a plataforma Android, foi implementada uma nova se\u00e7\u00e3o no menu de configura\u00e7\u00f5es chamada Homepage. Na p\u00e1gina &#171;Voltar&#187; (&#171;Jump back in&#187;), s\u00e3o exibidas imagens principais dos sites (Hero Image). Foi implementada uma solicita\u00e7\u00e3o de confirma\u00e7\u00e3o ao ativar o modo de fechamento autom\u00e1tico de abas.\n<li class=\"l\"> Na vers\u00e3o para a plataforma Android, foi adicionada a suporte \u00e0 propriedade CSS cursor, que permite marcar visualmente os elementos que podem ser clicados, o que pode simplificar o trabalho dos usu\u00e1rios do Android que utilizam um &#171;mouse&#187; (a imagem do cursor mudar\u00e1 ao passar o mouse sobre esses elementos).          <\/ul>\n<p>Al\u00e9m das novidades e corre\u00e7\u00f5es de bugs, o Firefox 95 corrigiu 18 vulnerabilidades, das quais 11 s\u00e3o consideradas graves. Oito vulnerabilidades s\u00e3o causadas por problemas de gerenciamento de mem\u00f3ria, como estouros de buffer e acesso a \u00e1reas de mem\u00f3ria j\u00e1 liberadas. Esses problemas podem potencialmente permitir a execu\u00e7\u00e3o de c\u00f3digo malicioso ao abrir p\u00e1ginas especificamente formatadas.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56299\">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 95. \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 &#8212; 91.4.0. \u041d\u0430 \u0441\u0442\u0430\u0434\u0438\u044e \u0431\u0435\u0442\u0430-\u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0435\u0435 \u0432\u0440\u0435\u043c\u044f \u0431\u0443\u0434\u0435\u0442 \u043f\u0435\u0440\u0435\u0432\u0435\u0434\u0435\u043d\u0430 \u0432\u0435\u0442\u043a\u0430 Firefox 96, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0430\u043c\u0435\u0447\u0435\u043d \u043d\u0430 11 \u044f\u043d\u0432\u0430\u0440\u044f. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043d\u043e\u0432\u0448\u0435\u0441\u0442\u0432\u0430: \u0414\u043b\u044f \u0432\u0441\u0435\u0445 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 RLBox. \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0439 \u0441\u043b\u043e\u0439 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0443 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0441 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c\u044e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":102517,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102516","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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