Use the XDelta GUI (https://www.romhacking.net/utilities/598/) to apply this to a US Pokemon Emerald ROM (not provided here obviously, get your own).
Fixed abilities not being properly inherited via breeding for species/abilities with IDs over 255 by @AsparagusEduardo in rh-hideout#4411 Fixed Hard Level Caps issues by @AlexOn1ine in rh-hideout#4420 ...