But as open standards like HTML5, WebGL and WebAssembly have matured over the past several years, most now provide many of the capabilities and functionalities that plugins pioneered and have become a viable alternative for content on the web. Over time, weve seen helper apps evolve to become plugins, and more recently, have seen many of these plugin capabilities get incorporated into open web standards. Today, most browser vendors are integrating capabilities once provided by plugins directly into browsers and deprecating plugins.
Given this progress, and in collaboration with several of our technology partners including Apple, Facebook, Google, Microsoft and Mozilla Adobe is planning to end-of-life Flash. Specifically, we will stop updating and distributing the Flash Player at the end of 2020 and encourage content creators to migrate any existing Flash content to these new open formats.
Several industries and businesses have been built around Flash technology including gaming, education and video and we remain committed to supporting Flash through 2020, as customers and partners put their migration plans into place. Adobe will continue to support Flash on a number of major OSs and browsers that currently support Flash content through the planned EOL. This will include issuing regular security patches, maintaining OS and browser compatibility and adding features and capabilities as needed. We remain fully committed to working with partners, including Apple, Facebook, Google, Microsoft and Mozilla to maintain the security and compatibility of Flash content. [To see each partners announcement on this news, click on the links inside each partner name.] In addition, we plan to move more aggressively to EOL Flash in certain geographies where unlicensed and outdated versions of Flash Player are being distributed.
https://blogs.adobe.com/conversations/2017/07/adobe-flash-update.html