lancerlot_30v recently posted a great new site with a robust character builder tool called the NWN2 Character Builder. Check it out at http://nwn2db.com. It's great for those times when you are in the toolset and can't remember what feats an NPC should have.
As BeyondthePale pointed out on nwvault, the 1.23 patch notes were posted in this forum thread by Rob McGinnis. Apparently the patch is coming very soon. Here are the notes:
Neverwinter Nights 2 Game Update 1.22 - December 19, 2008
I've attempted to compile links, known issues, patch notes and 2da changes from the forums.
Official forum thread is here: http://nwn2forums.bioware.com/forums/viewtopic.html?topic=669454&forum=1...
Carlo has created a great tool for creating DM-friendly modules. The DMFI Base Mod for Builders comes complete with several commonly used tools that will keep builders from burning time on the systems needed for a good DM-run module.
This patch came out November 5, 2008 in conjunction with SoZ being released.
I've seen two major issues that affect builders:
Area OnEnter scripts not working
Anduraga recently posted an excellent guide to creating a custom mountain placeable for use as a background element in a module on his blog. Here's a quick teaser:
Sir Chet recently announced a few helpful resources over at thieves-guild.net that will be useful for NWN2: SoZ modules.
Frank Perez, aka Elysius, recently posted four articles on how to write a story for NWN. You can see all four posts here:
You can import terrain data into the toolset to help build exterior areas using YATT. From the YATT website: