It is easy to confuse this legacy patch with more recent updates. For comparison:
The Calm Before the Patch
Why does a 15-year-old patch still matter? Because Tekken 6 Update 1.03 serves as a case study in fighting game design lessons: tekken 6 update 1.03
While the patch didn't remove the Bound system, it introduced stricter the longer a combo went on. It is easy to confuse this legacy patch