It's here: Update 2.0 brings Steam Workshop support!
Changes:
New Map Options
New map save UI
In-game photo mode for map icon screenshots
Maps can now be "Flat" in addition to the normal "Orbital" style
Adds Steam Workshop Support
Adds option to upload your maps to Steam Workshop when you save
Download maps by subscribing, or on demand when playing online
New Cat
New cat fur!
More fur patterns
Better fur patterns
Cat eyes react to light level
New Bow
Improved model
Customizable bow color
Tweaked shooting physics to be a little more fun, forgiving, and intuitive without losing the skill
New Graphics
UI look and feel improved
New bow with better animations
Bow color is customizable
New grass models
Torches cast shadows
New graphics options and settings
Optimizations
New menu screen background
Multiplayer Rework
So many bugs fixed
Rewrote connection code to be more reliable
Rewrote gameplay networking to be more reliable
Fixes TCP implementation
Fixed broken IP checking code
Simplified player flow
Eliminates several varieties of lag
Fixes Steam Friend connections and pfps
What's next?
I'm thinking, a race/checkpoints variation, some map packs, more support for custom scripts. We'll see.