Skyrim 1.3 (PC)

[SidingWithTheEnemy]

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According to Bethesda the PC Update of Sykrim 1.3 is on Steam now.

Here is what the have supposedly fixed:

General stability improvements
Optimize performance for Core 2 Duo CPUs (PC)
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

Is this working? What are the new bugs/glitches?
Moonwalking Bears? Invisible Sabre Cats? Random Quest finishing without help? Mammoths cloned by Draugr mice bonemarrow spell?

Any news so far? Anyone bold enought to try it out and potentially ruin their savegames?