Version 1.37 Steamworks SDK released
05/23/2016
The Steamworks SDK has been updated to better support forward compatiblity. The ISteamUGC interface has also been expanded to support developer defined preview files.
Version 1.36 Steamworks SDK released
02/09/2016
The Steamworks SDK has been updated with a new function for ISteamController and updated redistributables
Version 1.35a Steamworks SDK released
1/15/2016
The Steamworks SDK has been updated with a new function to assist with memory-managment issues in games that call Steamworks from multiple threads. Version 1.35a is identical to version 1.35 except for this new function.
Version 1.35 Steamworks SDK released
10/20/2015
The Steamworks SDK has been updated to add support for production Steam Controllers to ISteamController, as well as new functionality in ISteamRemoteStorage.
Version 1.34 Steamworks SDK released
7/28/2015
The Steamworks SDK has been updated to include new Workshop functionality in ISteamUGC.
Version 1.33b Steamworks SDK released
5/19/2015
The Steamworks SDK has been updated. Version 1.33b is identical to 1.33a, except ISteamUGC is exposed to game servers now.
Version 1.33a Steamworks SDK released
5/7/2015
The Steamworks SDK has been updated. Version 1.33a is identical to 1.33, except steam_api.dll is built without debugging symbols and steam_vr_interop.cs has been removed.
Version 1.33 Steamworks SDK released
5/6/2015
The Steamworks SDK has been updated. Version 1.33 of the SDK expands the ISteamUGC interface to support stand-alone game servers, developer set metadata, etc., and removes steamvr.h (you can use the OpenVR SDK to access those interfaces: https://github.com/ValveSoftware/openvr).
Version 1.32 Steamworks SDK released
2/5/2015
The Steamworks SDK has been updated. Version 1.32 of the SDK adds C# bindings, a flat C-style API, improvements to the HTTP interface, and an initial release of the Steam Inventory Service.
Version 1.31 Steamworks SDK released
9/8/2014
The Steamworks SDK has been updated. Version 1.31 of the SDK adds support for existing Workshop files from the new ISteamUGC interface, a built-in HTML rendering surface and updates for Steam VR.
Version 1.30 Steamworks SDK released
6/10/2014
The Steamworks SDK has been updated to include a new Workshop content API in ISteamUG.
Version 1.29a Steamworks SDK released
5/27/2014
The Steamworks SDK has been updated. Version 1.29a deprecates 1.29 and fixes a memory corruption in ISteamUGC::GetQueryUGCResult().