mozilla firefox old version 43 free download

If you have AdBlock Plus installed in Firefox you may have noticed that it may cause spikes in memory usage under certain conditions. Memory overhead of AdBlock Plus has been greatly reduced If you are using a Firefox add-on that relies on binary XPCOPM components, you will notice that it won't work anymore once you update the web browser to version 41.Īccording to Mozilla's Benjamin Smedberg, the move was necessary as these represented 'signigicant compatibility and stability risks to Firefox users'. You can then start typing messages and hit enter to send them to everyone else participating in the conversation.īinary XPCOM components are not supported anymore except as part of the application Simply start or join a conversation as usual. Instant Messaging support added to Firefox Helloįirefox Hello, a built-in communications module that allows you to make free video and voice calls to others, supports direct messaging in an instant messenger like environment in Firefox 41. Mozilla removed the preference in Firefox 41 which allowed Firefox users to set a custom new tab page using it.įirefox users who still want to modify the New Tab page url can do so by installing the New Tab Override for the browser which enables them to do that. The preference has been removed New Tab Override add-on Mozilla wanted to introduce add-on signing enforcement in Firefox 41 initially but pushed this back so that it is now scheduled to arrive in Firefox 43 instead.

Mozilla usually does that around the time the official announcement of the release goes live. Note that some may not have been updated yet at the time of writing. If you prefer, you can download the newest versions of Firefox from their official download locations as well. The easiest way to do so is to tap on the Alt-key on the keyboard, and select Help > About Firefox from the menu that opens when you do. If you don't want to wait, these checks don't happen in real-time, then you can run a manual check for updates as well. If you have not modified that setting you should be notified about that new version soon. Firefox 41 download and updateĪll versions of Firefox are configured by default to check for updates regularly. The information below covers only Firefox Stable and no other edition of the web browser. This means that the following versions will be released tomorrow: Firefox 41 Stable, Firefox 42 Beta, Firefox 43 Developer Edition, Firefox 44 Nightly and Firefox ESR 38.3.

Since the release process is streamlined, all other editions of Firefox will be updated as well on that day.

Mozilla firefox old version 43 free download