Speedrunners famously need to hunt down first press cartridges on the US release because the Shindou release fixed the bug that allows BLJs (backwards long jumps).
This explains a lot for me; since I kept trying to achieve a BLJ but for whatever reason I couldn't.
Now, years later, you comment explains a lot O_O
it's worth noting that the virtual console (wii, wii u) releases are built off of the original nstc edition, meaning backwards long jumping is in play. but the most recent 3d all stars edition is based off of shindou, meaning blj's are not possible.