[scrollaway]

LXDE has been doing some fantastic efforts in polishing with LXQt. They recently finished porting everything to Qt 5. You might want to check them out - though most distros don't have packages from git.

[higherpurpose]

Unfortunately, they haven't changed the design much.

[scrollaway]

Are you joking? The design is completely different to LXDE. It's a rewrite from scratch.