Beta version of ProtonMail 4.0 launches with an all-new look October 24, 2019 by admin Tweet ProtonMail 4.0 has entered the beta phase and is open to all users. Work during the beta is still on-going with the main priorities being a new dark theme and code being ported to React. Read more… Neowin Related Posts:Proton Calendar beta now available for all ProtonMail usersProtonMail for iOS receives its biggest ever…Fedora 37 beta arrives with a beta version of GNOME 43ProtonMail users with a Free account can get 1 GB…Proton confirms a ProtonMail app for Windows is in…