Bethesda recently spent a week which they called "gamejam" in which Todd Howard basically just said to the entire dev team to "do whatever the hell you like" with the creation kit for a week.

Among some of the creations are:
- Seasonal foliage and shedding leaves on trees.
- Flow-based water shaders.
- Fully animated spears.
- Magic and ranged combat slow-motion kill-cams.
- Water arrows and a Detect Life-esque "Assassin's Vision"
- Guards that re-light torches.
- Paralysis runes.
- Moving platforms and hanging structures in dungeons.
- Fast-flowing underground currents.
- Pitch-black dungeons.
- New follower customisation, commands and favoriting.
- Adoption.
- Building of your own home (with skeletal butler).
- Combining spells for new effects.
- Goblins.
- New Draugr
- Waygate fast travel.
- Skeletal horse mounts.
- Mounted combat.
- Dragon mounts.
- Soulbug familiar.
- Kinect-based Shouts.
- SSAO.
- Better underwater visuals.
- Footprints in snow.
- Verlet surfaces for non-rigid objects (which means morningstars and flabby giants).
- Fire and ice arrows.
- Werebears.
- Lycanthropy perk tree.
- Vampire feeding.
- Becoming a flying vampire lord with vampire imp minions.
- Mudcrab animation tweaks.
- A 100 foot-tall mudcrab.
- and more