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I see this is your first thread on the forums, welcome! Thank you for leaving your suggestion.
Unfortunately, your suggestion has been brought up previously, which you canreview here. Adding checkpoints to the parkour would fall within the scope of this thread, in which a lot of suggestions were taken into account. It also has been suggested inthis duplicate. I recommend checking out the mentioned threads for more information.
If you have any questions or comments, please don't hesitate to reach out! Regardless, I wish you a wonderful day