Here is a link to thread from 21 days ago with a lot of good replies.
You can use the teeny tiny hard to spot magnifying glass in the top right corner to search for topics on the forum if you want to. Took me embarrassingly long to find it :'D
Jmorph isn’t allowed. The way it alters your game files, nothing says it couldn’t alter things that affect gameplay: Size of herb nodes for visibility, as an example.
(edit: A wrong word, was thinking of magnifying glass not hourglass XD)