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• I've read, understood, and done my best to follow the Contributing guidelines before opening this issue.

What did you do?

I tried to call NSUbiquitousKeyValueStore.url(forKey:) because I know there is [UserDefault.url(forKey:)](https://developer.apple.com/documentation/foundation/userdefaults/1408648-u

Is your feature request related to a problem? Please describe.
Most browsers prevent websites from autoplaying media and sound automatically, by default.
When I, for example, open multiple youtube-videos in different tabs, I think it is very disturbing to see this non-standard behavour.

Describe the solution you'd like
By default, all media is prevented from playing automatically.
V

https://github.com/Pext/Pext/blob/master/docs/installation.rst contains instructions for openSUSE, but more repositories are available (despite being untested).

These need to be documented for the relevant distributions:
Stable: https://download.opensuse.org/repositories/home:/TheLastProject:/python-pext/
Nightly: https://download.opensuse.org/repositories/home:/TheLastProject:/python-pext:/d