{"id":183219,"date":"2026-09-01T22:53:35","date_gmt":"2026-09-01T20:53:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/reliz-firefox-155"},"modified":"2026-09-01T22:53:39","modified_gmt":"2026-09-01T20:53:39","slug":"firefox-155-release","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/firefox-155-release","title":{"rendered":"Lan\u00e7amento do Firefox 155","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o navegador web Firefox 155 e as atualiza\u00e7\u00f5es das vers\u00f5es anteriores com suporte prolongado foram formadas \u2014 153.2.0, 140.15.0 e 115.40.0. O Firefox 155 tornou-se a primeira vers\u00e3o a ser criada dentro do novo ciclo de libera\u00e7\u00e3o de duas semanas, que permitir\u00e1 trazer novas funcionalidades aos usu\u00e1rios com mais frequ\u00eancia, garantir um processo de libera\u00e7\u00e3o mais previs\u00edvel e reduzir a carga sobre os desenvolvedores antes das libera\u00e7\u00f5es. A vers\u00e3o beta do Firefox 156 foi liberada, com lan\u00e7amento previsto para 15 de setembro.       <\/p>\n<p>Principais novidades no Firefox 155 (1, 2, 3):  <\/p>\n<ul>\n<li class=\"l\"> Para todos os usu\u00e1rios dos EUA, Canad\u00e1 e Fran\u00e7a, foi ativado o modo &#171;Smart Window&#187;, que fornece um espa\u00e7o separado para intera\u00e7\u00e3o com IA, complementando o modo de navega\u00e7\u00e3o padr\u00e3o da Web e o modo de navega\u00e7\u00e3o privada. A nova vers\u00e3o inclui dicas personalizadas para iniciar rapidamente um chat com a IA sobre t\u00f3picos anteriormente discutidos, acelerou significativamente a cita\u00e7\u00e3o de fontes ao pesquisar atrav\u00e9s do servi\u00e7o exa.ai, melhorou as recomenda\u00e7\u00f5es para agrupar abas relacionadas e a autoatribui\u00e7\u00e3o de nomes a grupos de abas.       <center><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/09\/ba8e8f961cc2a22b001d7ed92b88343b.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <center><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/09\/68a551de6696662474c31ba9f3cd914e.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Na barra de endere\u00e7os, pr\u00f3ximo ao \u00edcone de escudo, agora \u00e9 exibido o n\u00famero de rastreadores bloqueados no site visitado. Esta funcionalidade atualmente est\u00e1 ativada apenas para alguns usu\u00e1rios; para habilit\u00e1-la, \u00e9 poss\u00edvel definir o par\u00e2metro &#171;browser.urlbar.trackerCount.featureGate&#187; na p\u00e1gina about:config.    <center><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/09\/3f3b38ccdb5149de4464f2466721353b.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Nas configura\u00e7\u00f5es, h\u00e1 a op\u00e7\u00e3o de alterar a ordem de exibi\u00e7\u00e3o dos containers nas listas.    <center><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/09\/0299f398f3a4c4f8c486d715b7c3c7ec.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>\n<li class=\"l\"> Nas compila\u00e7\u00f5es para a plataforma Windows, os jogos web agora permitem o uso de controladores de jogos compat\u00edveis com o Nintendo Switch Pro.\n<li class=\"l\"> A profundidade de aninhamento de blocos e fun\u00e7\u00f5es CSS foi limitada a 75 n\u00edveis para proteger contra falhas ao processar estruturas com n\u00edveis de aninhamento excessivos.\n<li class=\"l\"> O dom\u00ednio para verificar a acessibilidade da rede e detectar a presen\u00e7a de um portal cativo foi alterado de detectportal.firefox.com para firefox-portal-detection.com.\n<li class=\"l\"> O processamento de links &#171;mailto:&#187; sem a\u00e7\u00f5es expl\u00edcitas do usu\u00e1rio foi encerrado (a p\u00e1gina da web n\u00e3o pode mais iniciar automaticamente a abertura do cliente de email).\n<li class=\"l\"> Ao imprimir arquivos PDF, o conte\u00fado do documento, se menor que a p\u00e1gina de impress\u00e3o, pode ser escalonado para preencher toda a folha.\n<li class=\"l\"> Nas ferramentas para desenvolvedores da web, as op\u00e7\u00f5es para emular as capacidades do CSS foram movidas para um novo painel, exibido ao pressionar o bot\u00e3o &#171;@&#187; na janela Regras. Adicionada a op\u00e7\u00e3o para emular a consulta de m\u00eddia &#171;prefers-reduced-motion&#187;. No depurador JavaScript, foi adicionada a combina\u00e7\u00e3o de teclas Ctrl+Alt+B para ativar ou desativar todas as interrup\u00e7\u00f5es simultaneamente.\n<li class=\"l\"> No visualizador de JSON, foi implementado o suporte para exibir documentos no formato &#171;JSON Lines&#187; (JSONL e NDJSON), nos quais cada linha cont\u00e9m um objeto JSON separado.\n<li class=\"l\"> Foi implementada a fun\u00e7\u00e3o CSS progress() para calcular a posi\u00e7\u00e3o de um valor em rela\u00e7\u00e3o aos valores m\u00ednimo e m\u00e1ximo indicados (&#171;progress(5, 0, 10)&#187; retornar\u00e1 0.5).\n<li class=\"l\"> Adicionada a fun\u00e7\u00e3o CSS alpha(), que permite alterar o canal alfa (grau de transpar\u00eancia) de uma cor especificada.\n<li class=\"l\"> Adicionado suporte ao novo formato da fun\u00e7\u00e3o CSS attr(attr-name attr-type, fallback-value), que permite o uso de valores de atributos HTML de qualquer tipo, e n\u00e3o apenas de strings.\n<li class=\"l\"> Adicionado suporte aos m\u00e9todos Promise.allKeyed e Promise.allSettledKeyed, que s\u00e3o semelhantes ao Promise.all() e Promise.allSettled(), exceto que aceitam e retornam objetos em vez de arrays.\n<li class=\"l\"> Adicionado suporte \u00e0 extens\u00e3o do formato bin\u00e1rio WebAssembly, permitindo a redu\u00e7\u00e3o do tamanho dos m\u00f3dulos WebAssembly com muitos elementos importados.\n<li class=\"l\"> No WebAssembly, foi adicionado suporte a instru\u00e7\u00f5es aritm\u00e9ticas de 128 bits i64.add128, i64.sub128, i64.mul_wide_s e i64.mul_wide_u.\n<li class=\"l\"> Foi possibilitado o uso da segunda vers\u00e3o do protocolo QUIC (RFC 9369) no HTTP\/3.\n<li class=\"l\"> Para o elemento SVG  &lt;a&gt; na interface JavaScript SVGAElement, o mesmo conjunto de propriedades de URL est&aacute; dispon&iacute;vel como para links em HTML.\n<li class=\"l\"> Foi adicionado a propriedade CSS &#171;font-width&#187;, semelhante \u00e0 propriedade &#171;font-stretch&#187; que estava dispon\u00edvel anteriormente.\n<li class=\"l\"> Na API WebTransport, foi implementado suporte para grupos de envio, permitindo gerenciar a distribui\u00e7\u00e3o de largura de banda entre fluxos (createSendGroup()), enviar datagramas (createWritable()) e gerar chaves vinculadas \u00e0 sess\u00e3o TLS (exportKeyingMaterial()).\n<li class=\"l\"> Na vers\u00e3o para Android, foi implementada a edi\u00e7\u00e3o da barra de ferramentas ap\u00f3s pressionar longamente qualquer bot\u00e3o na barra. Simplificado o processo de remo\u00e7\u00e3o de abas de um grupo. Alterada a sensibilidade da fun\u00e7\u00e3o de resumo da p\u00e1gina ao sacudir o smartphone.              <\/ul>\n<p>Al\u00e9m das novidades e corre\u00e7\u00f5es de erros, o Firefox 155 corrigiu 109 vulnerabilidades, a maioria das quais s\u00e3o causadas por problemas de gerenciamento de mem\u00f3ria, como estouros de buffer e acesso a \u00e1reas de mem\u00f3ria j\u00e1 liberadas. Potencialmente, esses problemas podem levar \u00e0 execu\u00e7\u00e3o de c\u00f3digo malicioso ao abrir p\u00e1ginas especialmente formatadas.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66187\">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 155 \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; 153.2.0, 140.15.0 \u0438 115.40.0. Firefox 155 \u0441\u0442\u0430\u043b \u043f\u0435\u0440\u0432\u044b\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u0432, \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0432 \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, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442 \u0447\u0430\u0449\u0435 \u0434\u043e\u0432\u043e\u0434\u0438\u0442\u044c \u043d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0434\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0442 \u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u043b\u0438\u0437\u043e\u0432 \u0438 \u0441\u043d\u0438\u0437\u0438\u0442 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u043d\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u043f\u0435\u0440\u0435\u0434 \u0440\u0435\u043b\u0438\u0437\u0430\u043c\u0438. \u041d\u0430 \u0441\u0442\u0430\u0434\u0438\u044e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":183221,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183219","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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