Summary:
Wilderblades are only giving steve heads with the right "title". For example when killing endermen the sword will drop a steve head with the title "enderman head". (First reported by Richy_Zs).  Effects every mob on the list that is supposed to drop heads.

2. Priority to fix? {High, Medium, Low}
medium to high
3. Which server? {Spawn, Redwood, Cypress, Maple, Willow, Expanse, DungeonRun, Rush, Creative}
All servers with Wilderblade have to problem.
4. Steps to Reproduce: Please list the step-by-step methods to reproduce the issue
Take any Wilderblade and kill a mob on the list below:

• Slime
• Zombie
• Cow
• Spider
• Chicken
• Drowned
• Rabbit
• Skeleton
• Squid
• Pig
• Guardian
• Villager
• Blaze
• Ghast
• Enderman
• Shulker

5. Expected Outcome: What did you expect to happen?
Dropping of the correct head.
6. Actual Outcome: What happened instead?
Getting steve head with the right title
7. Proposed Fix (Optional): Do you have a suggestion?
Check for right head according to mob id.
8. Notes (Optional): Anything else we should keep in mind in relation to this issue?
/
9. Screenshots (Preferred): Do you have screenshots of the problem, proof or reference?