I have Vanilla Hammers 1.15.2-2.1 & morevanillalib-1.15.2-1.2.2 and I noticed all the ore is dropping XP now except redstone. Thanks

Will be fixed in next morevanillalib release
Here you can download a pre-version if needed: https://maven.melanx.de/de/melanx/morevanillalib/morevanillalib-1.15.2/1.2.3+11/morevanillalib-1.15.2-1.2.3+11.jar (you can't use it for publish on curse)