Enable Flash Player Safari [repack]
: This is the most popular open-source solution. It is a Flash Player emulator written in Rust that runs natively in the browser via WebAssembly.
Note: These keys are undocumented and reset after Safari updates. enable flash player safari
The final nail in the coffin came in December 2017, when Adobe announced it would officially end support for Flash Player on December 31, 2020. In coordination with this decision, Apple, Google, Microsoft, and Mozilla agreed to remove Flash support from their browsers entirely. Consequently, beginning with Safari 14 (released with macOS Big Sur), Flash Player was removed from the browser completely. Today, attempting to enable Flash in a modern version of Safari is impossible; the preferences pane for it does not exist, and the system blocks the plugin by design. : This is the most popular open-source solution
Adobe Flash Player reached its official on December 31, 2020, and Adobe began blocking Flash content from running in the player on January 12, 2021. Consequently, modern versions of Safari (starting with version 14) no longer support or load Flash content. The final nail in the coffin came in