Blacklist does not prevent players from joining Party Finder groups anymore.

When submitting a bug report, please use the below template and thoroughly fill out the necessary information.

Date & Time: Always
Frequency: Always
World name: Everywhere
Character name: All
Retainer name: N/A
NPC name: N/A
Monster name: N/A
Class/Level: N/A
Party or solo: N/A
In-game time: N/A
Area and coordinates: N/A
Housing: N/A
Steps:
1. List PF,
2. Blacklisted characters are still able to join over and over again even if you remove them
3. Blacklist function useless?
*Add more steps if necessary

That's very strange for sure, and will need verification.