The intention for the invisible wall is clear… to slowdown the player and prevent from riding through the forest in a direct way. To use more the “normal” paths… with random events. And to border the World map!!!
BUT the way it´s now implemented it is a immersion breaker! This little forest between Samopesh and Merhojed is a really bad example for this new system.
It is okay if you can´t ride through the forest everywhere. But it´s quite unrealistic if you can´t walk slow through the dense-graded woods and bushes.
Why don´t use a system like this:
When comming to dark green bushes/dense woods, you can´t ride through, but you can go slow through with loosing stamina (like carring a body). This system would prevent from stacking in the forest(like now!) but would slowdown the player enough.
This invisible walls (inside!!) the world map are a bad design decision.