The IllegalPosition check has received its fair share of improvements to fight against clients such as Baritone, and more specifically limit movements such as auto-path and auto-mine.
Logs:
Corrected an Item-Attributes compatibility bug that caused unnecessary bypasses.
Potentially corrected a Block utilities null-pointer console error.
Potentially corrected several Clip instant bypasses.
Drastically improved the IllegalPosition check.
Improved the verbose information in the IllegalPosition check.
Greatly optimized the IllegalPosition check with recent utility handlers.
Drastically improved the Violation system with the consideration of plugin ticks.
Corrected several MorePackets post-reload false positives.