make closing and restart of Tor Browser as good as New Identity
When using Tor Browser New Identity, it sends signal newnym and restarts the browser.
Manually terminating the browser and restarting it however does not result in sending signal newnym.
I would suggest to make make the shutdown / restart of Tor Browser as similar as it can get. I.e. when Tor Browser gets closed or started, why not send signal newnym?
Are there any other differences between Tor Browser New Identity and Tor Browser restart that could be sorted out?
This is specifically important for users that use system Tor, which includes Whonix [as well as Tails?]. Because there, Tor keeps running after Tor Browser was closed. Which leads to subtle differences (Tor circuit reuse across browser restarts for system Tor users).
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