This is a combination of a patch and UberASM code that provides a DMA queue system, allowing you change GFX in VRAM easier. It also optimizes SMW's block change routine to allow more blocks to be changed in a single frame without overflowing V-blank (black bars). More details in the readme.
While certainly a very useful patch (I could make use of it with Inline Layer 3 Messages), it unfortunately breaks growing/shrinking pipes for some reason:
This only happens when the pipe is fully stretched out and removes the pipe tiles when respawning.
This happened with a modified ROM with SA-1 Pack and ExAnimations or with but also with an almost unmodified one sans this patch, UberASM and Lunar Magic.
Lunar Magic v3.30
SA-1 Pack v1.32
Bomb Blocks (from the kirby series), updated at 2016.02.18 (Y.m.d)