{"id":26145,"date":"2026-09-03T14:27:29","date_gmt":"2026-09-03T14:27:29","guid":{"rendered":"https:\/\/windowsreport.com\/fr\/microsoft-edge-abandonne-officiellement-la-prise-en-charge-par-defaut-de-levenement-unload\/"},"modified":"2026-09-03T14:27:29","modified_gmt":"2026-09-03T14:27:29","slug":"microsoft-edge-abandonne-officiellement-la-prise-en-charge-par-defaut-de-levenement-unload","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/fr\/microsoft-edge-abandonne-officiellement-la-prise-en-charge-par-defaut-de-levenement-unload\/","title":{"rendered":"Microsoft Edge abandonne officiellement la prise en charge par d\u00e9faut de l\u2019\u00e9v\u00e9nement unload"},"content":{"rendered":"\n<p>Microsoft Edge a officiellement cess\u00e9 d\u2019ex\u00e9cuter les gestionnaires d\u2019\u00e9v\u00e9nements <em>unload<\/em> par d\u00e9faut \u00e0 partir de ce mois-ci. D\u00e9sormais, les sites web devront obtenir une autorisation explicite pour continuer \u00e0 les utiliser.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-microsoft-edge-s-unload-event-support-is-officially-gone\">La prise en charge de l\u2019\u00e9v\u00e9nement <em>unload<\/em> par Microsoft Edge est officiellement supprim\u00e9e<\/h2>\n\n\n\n<p>L\u2019arr\u00eat de la prise en charge commence d\u00e9but septembre 2026. Microsoft pr\u00e9voit qu\u2019il atteigne les environnements mondiaux, GCC, GCC High et DoD d\u2019ici octobre 2026. Ce changement affecte principalement les sites web et les applications qui d\u00e9pendent encore d\u2019<em>unload<\/em> pour des t\u00e2ches critiques. Les applications WebView2 et les environnements Edge g\u00e9r\u00e9s peuvent \u00e9galement \u00eatre affect\u00e9s, a indiqu\u00e9 Microsoft dans le Centre d\u2019administration, <a href=\"https:\/\/admin.microsoft.com\/#\/MessageCenter\/:\/messages\/MC1449170\" target=\"_blank\" rel=\"noreferrer noopener\">ID de message<strong> <\/strong>MC1449170<\/a>.<\/p>\n\n\n\n<p>Microsoft indique que <em>unload<\/em> n\u2019a jamais \u00e9t\u00e9 un moyen fiable d\u2019enregistrer des donn\u00e9es ou de confirmer qu\u2019une session s\u2019est termin\u00e9e. Les pages peuvent \u00eatre suspendues ou arr\u00eat\u00e9es sans d\u00e9clencher l\u2019\u00e9v\u00e9nement. Il y a un autre inconv\u00e9nient. Les gestionnaires d\u2019\u00e9v\u00e9nements <em>unload<\/em> peuvent \u00e9galement emp\u00eacher les pages d\u2019utiliser le cache avant\/arri\u00e8re du navigateur. Cela peut nuire aux performances de navigation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-here-s-how-developerscan-prepare-now\">Voici comment les d\u00e9veloppeurs peuvent se pr\u00e9parer d\u00e8s maintenant<\/h3>\n\n\n\n<p>Microsoft recommande de d\u00e9placer la logique d\u2019enregistrement des donn\u00e9es vers <em>visibilitychange<\/em>. La transition vers un \u00e9tat masqu\u00e9 peut offrir une derni\u00e8re occasion plus fiable de pr\u00e9server les donn\u00e9es de l\u2019application. Pour les sc\u00e9narios li\u00e9s \u00e0 la navigation, Microsoft recommande <em>pagehide<\/em>. Cet \u00e9v\u00e9nement peut r\u00e9agir lorsque les utilisateurs quittent une page tout en restant compatible avec le cache avant\/arri\u00e8re.<\/p>\n\n\n\n<p>Les organisations doivent identifier les applications utilisant <em>unload<\/em>, y compris les biblioth\u00e8ques tierces. Microsoft recommande \u00e9galement de tester les flux de travail critiques sans l\u2019\u00e9v\u00e9nement avant la fin du d\u00e9ploiement. Pour les \u00e9quipes ayant besoin de plus de temps, Microsoft fournit la strat\u00e9gie Edge <em>ForcePermissionPolicyUnloadDefaultEnabled<\/em>. Les sites web peuvent \u00e9galement autoriser explicitement <em>unload<\/em> via la Permissions Policy.<\/p>\n\n\n\n<p>Ces options sont des mesures de migration temporaires plut\u00f4t que des correctifs permanents. Microsoft recommande de mettre \u00e0 jour les applications concern\u00e9es plut\u00f4t que de s\u2019appuyer ind\u00e9finiment sur elles.<\/p>\n\n\n\n<p><em>via : <a href=\"https:\/\/www.neowin.net\/news\/microsoft-edge-stops-default-unload-event-support\/\" target=\"_blank\" rel=\"noreferrer noopener\">Neowin<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft Edge a officiellement cess\u00e9 d\u2019ex\u00e9cuter les gestionnaires d\u2019\u00e9v\u00e9nements unload par d\u00e9faut \u00e0 partir de ce mois-ci. D\u00e9sormais, les sites web devront obtenir une autorisation explicite pour continuer \u00e0 les utiliser. La prise en charge de l\u2019\u00e9v\u00e9nement unload par Microsoft Edge est officiellement supprim\u00e9e L\u2019arr\u00eat de la prise en charge commence d\u00e9but septembre 2026. Microsoft [&hellip;]<\/p>\n","protected":false},"author":2314,"featured_media":26146,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[1019],"tags":[],"work":[],"class_list":["post-26145","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriels"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Microsoft Edge abandonne officiellement la prise en charge par d\u00e9faut de l\u2019\u00e9v\u00e9nement unload<\/title>\n<meta name=\"description\" content=\"Microsoft Edge retirera la prise en charge par d\u00e9faut de l\u2019\u00e9v\u00e9nement unload en septembre 2026, exhortant les sites \u00e0 migrer vers visibilitychange et pagehide.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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