Date & Time: 8/23/24 @ 1752 CST
Frequency: Once
World name: Cactuar
Character name: Hathui Adren
Class/Level: Dancer lvl100
Party or solo: Party
In-game time: Didn't record
Area and coordinates: Limsa Lominsa Upper Decks, inside the Maelstrom Command. Around 12.9 , 12.7
Steps:
1. Left M3S as a party
2. Black Listed 2 characters so they wouldn't be able to see or rejoin my PF
3. A few minutes later, both rejoin. Important to note that I am party leader.

I did not try to recreate this with some friends, but a thought on maybe why this occurred:
Both players joined my previous party together as a group. When we left, I BListed both of them (because I knew they'd joined together), and I did not want them to see or rejoin my party when I relisted it. Several minutes later, they were both able to rejoin at the same time again. I knew it was the same 2 players because 1) the classes were DRK and PCT like before and 2) the collective groan in VC as they rejoined and 3) I had recently cleaned out my blacklist to start fresh. There's like 10 people on there right now, and they are the only players from Gilgamesh. Redact screenshot attached below.

I'm pretty positive that before Dawntrail, if you blacklisted a character, they would not be able to see or join any Party Finders you made. Once again, I was party lead in this instance and had been since my friends got together tonight.

I have a screenshot of the chat from them joining, and me kicking them. Sadly I did happen to be recording, nor took anymore screenshots, as I was already pretty frazzled at that point.