They said on Twitter that it will be updated with RGB support in the summer. Very cool.

That's awsome, thanks for the tip, I've added it to our list of bitcoin wallet options

There's also another post, here on SN, for this release, using the link for the Tweet where it was announced:

MyCitadel Bitcoin Wallet V1 Release

Looks cool.

on Debian Linux, Ubuntu and MacOS on AMD64 architecture

But still needs to support a little more 😎