(cherry picked from commit 8c103d72)

Part-of: <https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/984>

(cherry picked from commit 549cbf21)

(cherry picked from commit 0fa2d457d8943123f9b104f0bd1ab37160e66bd3)

(cherry picked from commit 365acc15)

(cherry picked from commit bb6b554b)

(cherry picked from commit de0cf7fa)

https://bugzilla.gnome.org/show_bug.cgi?id=773395

(cherry picked from commit 343d9f52f67d4ee47c6dd077c9979b903bb3c941)

https://bugzilla.gnome.org/show_bug.cgi?id=723192