NPAPI plugins have their days numberedĪs we said, this trick will work in Firefox 52 and allow us to continue using these add-ons during the life cycle of this version.

When the browser reloads, we will be able to see how these plugins are active again in the browser (by entering about: addons) and, if we have them correctly installed on our computer, it will allow us to continue loading this content. We double click on it to change its value to 'false' and we restart our browser. To activate these plugins in this version of the browser, simply open the configuration section » about:config ✺nd search for the entry:

How to use Java, Silverlight and other NPAPI plugins in Firefox 52 This new version was also the first to block the use of NPAPI plugins by default, except Flash, causing all web pages that use, for example, Java or Silverlight to stop.įortunately, it is still possible to continue to use, temporarily, this type of content in the browser. Three days ago Mozilla released the new Firefox 52, the new version of the web browser that comes with significant changes and improvements that continue to gradually shape the future of the browser.

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