Update allows Vanilla Bloodstalkers to start taking over. slowly will be able to breed into vanilla then remove mod seemlessly.
Also,
Cross-Platform Mod
Taming: Put Blood Packs in your inventory to Tame.
Special Taming Note: make sure you are not in Creative mode or GCM because the spider needs to "Steal Life" to tame (from the Blood Packs). They cannot steal life if you are in creative mode.