Please don't be so enthusiastically ignorant. Here's the patch 1.3 notes:
Patch 1.3 Notes:
General stability improvements
Optimize performance for Core 2 Duo CPUs
Fixed Radiant Story incorrectly filling certain roles
Fixed magic resistances not calculating properly
Fixed issue with placing books on bookshelves inside player purchased homes
Fixed dragon animation issues with saving and loading
Fixed Y-look input to scale correctly with framerate
You'll note bookshelves getting fixed, quests getting fixed, aiming getting fixed, performance improvements, and stability improvements. You know, things having nothing to do with 1.2.