Would be interesting for me too, since TinyMCE 5 reached end of support. Maybe we could even evaluate different editors and see if there are any benefits? On the top of my mind are:
- Milkdown: Made at good impression to me at first try and seems to play well with markdown directly (avoiding the error-prone Markdown - HTML conversion that is done with TinyMCE)
- CKeditor: already discussed in the forum
FTR, here are the two mentioned github links of the last post: