Be careful with old versions! These versions are displayed for testing and reference purposes.
You should always use the latest version of an add-on.
Version 0.2.0Released Oct 11, 2017 - 18.92 KBWorks with firefox 48.0 and laterNew way to open into Fenêtre.
No more 'fenetre://' protocol, Apple's sandbox prevented the communication between the app and the extension through a custom protocol.
You'll need Fenêtre v0.4.6+
Source code released under Mozilla Public License, version 2.0