I used Joey for years for Reddit and it has an incredibly useful navigation feature that would allow you to use arrows to jump through every top level comment.
Jerboa uses Jetpack Compose as toolkit instead traditional Views system that most apps use. The problem lays at core of a textfield component. It affects every app that uses this toolkit. And we can't fix because it would need to be fixed at very low level, we don't have access to nor domain knowledge about.