As @korgaustralia reports, there's also a new i3 and EK-50 L with upgraded speakers and design https://www.instagram.com/korgaustralia/

On a first look it seems that i3 can be considered as a speakerless arranger, which is something I can we interested in. We'll see.

EDIT: according to specifications (https://www.korg.com/us/products/synthesizers/i3/specifications.php)
it's only 4 kg/8.82 lbs. Can make a gigging life easier.

EDIT: there're already videos: