I was using 10-point tracking in the Battle Discs Beach world by NNLogic the other day, and discovered the game was broken for me - I was unable to throw or activate the discs. Once I switched to 6-point (but still on the IK beta), the discs worked correctly. Haven't tested elsewhere yet, but it seems reasonable to assume there's other Udon worlds out there that are similarly susceptible to breaking in the new 8+ point tracking modes.