It's the same version 29.3, you didn't need to backup anything, lol. The only change I made was in the embeded tptmp.lua script, I added tpt.version.major = 89 and tpt.version.minor = 2 to trick the server into thinking you use the right version.
*Facepalm* Before I deleted that "old" Jacob1's Mod, and replaced it with a new one, it accidentally kept a stamp I forgot to delete, and it saved it! So I didn't have to go through making multiple stamp saves! *Repetetive facepalm*
Ok, so I just have to redownload it, okay, no prob! (I'll save my stamps in a save.)
I always make small mistakes when updating my mod, especially spelling / grammar, but once I paste the changelog into the forums and reword some stuff it always turns out right in the end. The last two versions I made mistakes with TPTMP, forgetting to recompile after I fix bugs.
Atomic10: I already fixed both of those about 15 minutes after releasing it, you were just the first to update, lol. Try redownloading it.
Also, AFTER I updated Jacob1's Mod, when I try to go into TPT Multiplayer, it says,"Your version mismatched (requires version 89.2)" Idk if it's my fault or can be fixed in a hotfix update.
Lol, there was a typo in the Jacob1's Mod update thingy when you click the update button, I just wanted to point that out, it's not important.
Atomic10: yeah, if you talk to me a lot it's pretty easy to get me to do simple things, especially if I already like the idea. I was also looking into that powder deco tool suggested below, although that i'm still not sure about.
I just saw the Beta changelog, and air blocking walls are going to be a thing! So, well... Remember when you went on Your mod, and went on multiplayer, and me and some other guy were their too. The other guy said that he wanted air blocking walls. First, you added them on Jacob1's Mod, and now, it's going to be on the official TPT! So, average people CAN make a difference! But that's another topic I wont get into.
DoritosTaco: yes. Also see this secret page here, easier than calculating based on number of pages: https://powdertoy.co.uk/Stats.html