Firefox 53 Beta and 54 Developer Edition are out!

Mozilla has shipped Firefox 53 Beta and 54 Developer Edition last week. Check out our site compatibility notes for each version, though significant changes have not been observed:

Meanwhile, the plug-in support removal in Firefox 52 had a certain impact on legacy content. The Extended Support Release (ESR) allows enterprise users to continue using Java applets or Silverlight applications in the browser, but they have to migrate to an alternative anyway before 52 ESR reaches the end-of-life in Q2 2018.