Consider adding an in-app language selector
With the recent implementation of per-app language settings (see https://redmine.stoutner.com/issues/910) it is also possible to change this system settings from inside the app.
However, it looks to be a bit difficult to implement and I am not sure it is worth the work. I would imagine that most users would not be interested in switching languages often, and the system-level controls are not so difficult to access that I would imagine they would be inconvenient for the times when a user does want to switch languages. About the only advantage I can see is that it would allow the language to be imported and exported along with the rest of Privacy Browser's settings.
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