Wayland Display Server Protocol support

• Operating system version

Gentoo GNU/Linux nomuitilib

• Graphic environment

Weston

• Flash Player version​

Standalone amd64 ​https://fpdownload.macromedia.com/pub/flashplayer/updaters/25/flash_player_sa_linux.x86_64.tar.gz

• Explain your problem in step-by-step detail if possible

Flash player doesn't works in Wayland compositors. It depend on old X11-server and not supports wayland. All modern GNU/Linux distributions now runs on wayland.

• A direct link to a web page that demonstrates the problem

https://wayland.freedesktop.org/architecture.html