I checked already mentioned qtwebbrowser on maemo-extras.

Looks like it is using same libraries than angelfish, but somehow it gets different scoring on tests.

• libQt5WebEngine
• libQt5WebEngineCore
• working javascript/html5/SSL
• https://html5test.com/ : 469
• http://acid3.acidtests.org/ : 97 (+warning)
• http://www.speed-battle.com/speedtest_e.php : 45.11
• https://www.howsmyssl.com/ : "Probably Okay"
• slow
• scrolling with arrow-keys only
• URL can't be given on command line parameter