More changes from the folks at Mozilla...http://arstechnica.com/information-technology/2016/07/firefox-will-start-blocking-flash-content-in-august-fully-click-to-play-in-2017/
Firefox will begin retiring Adobe Flash on August 2 with the release of Firefox 48. In 2017, probably with Firefox 53, Flash plug-ins will require the user to actively click-to-play.
In Firefox 48, Mozilla will enable a new Firefox plug-in blocklist by default. Initially the blocklist will be small, mostly containing URLs of Flash SWF files that have been identified by Mozilla as supercookies (i.e. cookies that are very hard to shake off) or fingerprinting files (i.e. they scan your system and create a unique fingerprint, again usually for tracking purposes).
The Mozilla blog post introducing this blocklist only mentions supercookies and fingerprinting files in passing, though. Rather, Mozilla explains this move as the beginning of the end for Flash: "... Plug-ins often introduce stability, performance, and security issues for browsers. This is not a trade-off users should have to accept." Thus, Mozilla will gradually add Flash elements that are "invisible to users" to the blocklist, which is "expected to reduce Flash crashes and hangs by up to
Good news for all of us I believe