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Re:Firefox Focus – A new private browser for iOS and Android by ghh on Saturday August 19, 2017 @07:37AM (#15052820)
Focus does not seem to erase your history in a way you may expect. Try this on Android:

- Erase your history.

- Go to HN, click any link you haven't clicked before.

- Wait for it to load.

- Erase your history. Make sure you see the notification "Your browsing history has been erased".

- Go to HN again, and see the link you've just clicked still highlighted as 'visited'.

Re:Firefox Focus – A new private browser for iOS and Android by cyphar on Saturday August 19, 2017 @09:07AM (#15053141)
It's likely that's because it currently uses the built-in Android WebView (which may store its own pseudo-history). That is a problem, but I believe their plans to replace WebView with Gecko will likely solve this problem. https://github.com/mozilla-mobile/focus-android/issues/13
Re:Firefox Focus – A new private browser for iOS and Android by crtasm on Saturday August 19, 2017 @07:24PM (#15056178)
That's concerning, I tested further and found that if you quit the app from task switcher it clears the visited highlight.

I'll check if there's an issue filed for this tomorrow.