Ability to paste images in rich text control
If any new rich text editor control were to be implemented in K2, it should have the ability to paste images (screenshots).
Also, in the same control have the ability to upload image. If this were to integrate with SharePoint, the image storage location would be set when setting up the control (by default the site assets library).
We are relying on custom dev work to deliver this requirement to business and it's disappointing after having k2. K2 helps a whole lot! But this feature is essential for this modern age.
Additionally, I would hope this control takes care of known bugs as well.