Firefox ESR 52 is targeted for release in April 2017 and will be supported until May 2018. Mozilla indicated in early 2016 that Firefox ESR 52 will be the last version to offer NPAPI (and JRE) support. Mozilla Firefox Extended Support Release (ESR) Microsoft has no plans to add plugin support to Edge. Microsoft Edge was released in Windows 10 without Browser Helper Object (BHO, aka. Microsoft has indicated that they intend to continue to offer plug-in support in IE. Here's a snapshot of what some browser vendors have stated as of today: Individual browser vendors have been updating their plans regularly. What are the timelines for browsers' plugin support? I'm not sure how viable of an option this is, but it should allow you to see many applets without using a browser.Īccording this post some browsers will extend support for NPAPI for a while: The tool is called appletviewer and is run like this: \bin\appletviewer.exe The Java Developers Kit (JDK) has a utility that is designed for debugging applets.