It is the last stable version of Firefox before version 100 is reached.

Mozilla Firefox 99 and Mozilla Firefox 91.8.0 ESR will be released on April 5, 2022. You find the information published here after release. Security updates are revealed after the official release of the web browser. UserMessaging policy supports the removal of 'more from Mozilla' in preferences now.WebsiteFilter policy did not block web pages properly that were displayed after a 301 or 302 redirect took place.PDFjs policy may now be used to disable PDF permissions.This is fixed in Firefox 98, ESR coming soon. Some Outlook Web Access configuration fields did not work properly.This is fixed in Firefox 98 and will soon be fixed in Firefox ESR as well. PKG for macOS reported that it did not support M1.Extensions may use it to register container-specific user scripts. userScripts.register supports cookieStoreId.Extensions that use webReqest are no longer started early during Firefox startup unless they use blocking calls.WebVR API is disabled by default as it is deprecated.navigator.registerProtocolHandler() supports registering protocol handlers for FTP, SFTP and FTPS.The HTML element is now enabled by default.Firefox may remove default search engines from some user systems this is only the case if Mozilla did not receive formal permission from the search engine operators to include their search engine into Firefox.Locate the Downloads section on the page, and switch the Downloads option from 'save files to' to 'always ask you where to save files'. The second option is found on the same page. Double-click on its action field to switch the action to 'always ask'.įirefox will display a prompt whenever a file of the selected filetype will be downloaded.Use the filter at the top to find a file type.Scroll down to the Application's group.Load about:preferences in the Firefox address bar.The first enables prompts for specific file types. Some Firefox users may prefer to display download prompts, and Firefox offers two options for that.

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