It is the most recent. It is number 64. https://forums.daybreakgames.com/dcuo/index.php?forums/announcements.10/ Also heed (as I have learned) Hotfix notes. https://forums.daybreakgames.com/dcuo/index.php?forums/live-update-notes.87/
Actually, I think the confusion is GU64 was already sent out on Wednesday, so why is there another one today without any patch notes. Guessing it's a fix to GU64. Also it's not just a server hotfix.
I assume it's a fix for the teleporters that have been causing crashes and link dead characters, seeing as the Themyscira Command Post teleporter is active again.
I am pretty sure, like darn sure because I didn't wait 2 hours to download and install, any game update after GU64. And I play daily. But there is a possibilty I didn't get GU64 until after the first 16 or so hours it came out, so there was ime for an update to an update... But only seeing one, myself, and the way OP phrased it... Well, what platform are you on? I am on PS3, and the issues were apparently with PS4.
The 2nd PS4 client download (from the weekend) fixed the crashes and the instances we had to disable with 64's launch. We'll have the actual notes up shortly.
Mepps it says you've re-enabled the teleporters, but it still seems that Paradox Wave was left out. Can you share any details on why that teleporter is still disabled ?