Fyi, I'm building an open source block-based editor @ https://www.blocknotejs.org https://www.blocknotejs.org that uses one large contenteditable and doesn't ha

Fyi, I'm building an open source block-based editor @ https://www.blocknotejs.org https://www.blocknotejs.org that uses one large contenteditable and doesn't have those downsides you mention. It's built on top of Prosemirror. Would be interesting to see projects going beyond contenteditable for sure!