There is absolutely -no- difference at all between 1.00 and 1.01 saber stuff. None. Zip. Nada. After closely examining the difflog between JKA 1.00 and 1.01, I can conclude definitively that there's no difference to be had. One could proclaim "compiler differences! optimization!" or something else, but there's no clear cut distinction in the code, and furthermore no evidence has been provided that there is a difference (no videos, scans with various tools like IDA show no distinct codepage/PE header/default calling convention differences at all). Furthermore, there is no mention of any sort of saber stuff in the changelog for 1.01 that would corroborate the claim that 1.00 has better blocks. https://github.com/jedis/jediacademy/commit/59f7e71450c89e1cc127e0cd71eeb0a62cb689c7 I think this can be more or less case closed.