I quite like this feature. I was originally utilizing Good Notes 5 for this, but feel Diarium is better, even if I can’t hand write.
Maybe a good middle ground solution would be the ability to attach a “doodle” or something. It could work just like how file attaching works now. Be useful to include sketches, charts, or whatever people doodle in their journals.
Not sure how much development time this would take. Regardless, love the app! Thanks for at least hearing out your community.