These backend changes are already live and did not require a patch.
-New TDM/Horde mode map is now called 'Recyclotron'
-Improved the in-game server browser with better filters and updated map names
-Fixed Maximized My Lil Hell so it can now be sold on steam marketplace
-Regular My Lil Hell can now be salvaged
-Fixed the icon for Cosmo Chest Armor in steam marketplace