The main issue was that AdBlock Plus injected its stylesheet (of blocked resources) into every iFrame loaded on a page. 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.
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