Funkwhale 1.4.0 release

Sporiff

Hi everyone! 🐳

It's the season of giving, and we've got a couple of gifts to share with you! Let's start off with a new feature release: Funkwhale 1.4.0! 🎉

Funkwhale 1.4.0 brings some new features, enhancements and bugfixes. It also drops support for Python 3.7, so make sure to update Python before upgrading!