Within installed PWAs, the navigator.language / navigator.languages property return a value, that is not according to the Safari settings and defers from the navigator.language / navigator.languages in the browser itself.
Example: Safari settings set to "German", returns "de-DE" in browser mode, but within the installed webApp it returns "en-GB".
I thought this might be due to the overall phone language settings, but this is not the case. Even is the phone is completely set to German, the navigator returns "en-GB" within an installed PWA.
My phone is also not English/British, there is no reason why "en-GB" should show up.
maxischl
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CSS based dark mode / light mode changes are not being applied to websites installed to homescreen as PWA (Webapp).
Changing dark/light mode does not immediately change the displayed PWA style. A restart of the webapplication is required for the css to take effect.
While in the browser the css is being applied immediately as expected.
This bit only occurs on iOS 17. iPadOS and OSX work as expected.
Example:
https://whatpwacando.today