Epiphany nightly crashed while opening a new URL.
I'm using epiphany 3.31.2-11-g474e55d7 with WebKitGtk+ 2.22.3 from gnome-nightly's flatpak.
Eventually, while browsing around https://www.posti.fi/private/tracking/index.html#/?lang=en , epiphany crashed when trying to open a new URL. The crash seems to happen at "ephy_uri_decode".