http://blogs.adobe.com/flashplayer/2016/08/beta-news-flash-player-npapi-for-linux.html
> Today we are updating the beta channel with Linux NPAPI Flash Player by moving it forward and in sync with the
> modern release branch (currently version 23). We have done this significant change to improve security and provide
> additional mitigation to the Linux community.

Linux
11.2.202.632 -> 22.0.0.209
すごい更新