Adobe has announced that they will end support for Flash in 2020.

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,

...