Mozilla has announced that its Firefox browser version 85, released on 26 January 2021, will be the first without Flash support.
Firefox version 84 will be the final version to support Flash. On January 26, 2021 when they release Firefox version 85, it will ship without Flash support, improving our performance and security. For users on Nightly and Beta release channels, Flash support will end on November 17, 2020 and December 14, 2020 respectively. There will be no setting to re-enable Flash support.
The Adobe Flash plugin will stop loading Flash content after January 12, 2021. See Adobe’s Flash Player End of Life information page for more details.
In September, Apple’s Safari 14 was launched without any support for Adobe Flash Player.