OCA (http://oca.rxlab.guide/) aka Open Cel Animation, is a rising format for seamless coupling of art and animation programs like opentoonz (natively) and third party plugins for programs such as blender and even krita.

I was thinking, could we see this natively implemented into krita so more people know about it? With OCA, you can easily export an animation from krita and open it in say blender for further enhancements. That would be awesome to have available OOTB.