Hello Stefan, ah ok... understood. But isn't it an option for you, to create a "only viewer plugin" with pdf-xchange which offers more features than the pdfjs and a "shortcut" to open it in the normal installed "fullversion" with full options. So your solution could be ...

Hello Will! After your information about the limitation for building a new pdf-plugin I had some interesting discussion with Mozilla. Here is the main statement, which could be important for you?! We know that it's [PDF.js editor's note] missing some important features like form fill, and we'd love ...

Hello Will,

thank you for this info. So the reason why yet there ist no pdf-viewer-"plugin" is not your work, but the offered API of mozilla/google...
I hope, that they will recongize that and upgrade their APIs.

Kind Regards

Florian
Dittmeier GmbH

@Willy: Thanks for your answer, but this is "standard" and really only a workaround. @Patrick: Yes, this is the problem of the 52 version. Firefox has told at its blog, that nearly all plugins can be realized with the new web technologies - which are supported by firefox. I think, that Fi...

Hi! We use Mozilla Firefox in our company. So far the browser plugin worked fine. Now I cannot register XChange Editor as the browser plugin and Mozilla opens always the main program for opening the pdf. Now I've read, that Mozilla has disabled NPAPI-Modules since version 52 - the version we have si...