Mozilla: Firefox 69 will disable Adobe Flash plugin by default
Found on ZD Net on Wednesday, 16 January 2019
Firefox 69 will be Mozilla's third last step to completely dropping support for the historically buggy plugin, which will reach end of life on December 31, 2020. Flash is the last remaining NPAPI plugin that Firefox supports.
As of Chrome 69, users need to give permission for each site to use Flash every time the browser is restarted.
It's about time. Flash has always been the biggest security issue in any browser. It's amazing how bad and extremely buggy a single plugin can be.