Template:HammerVersion/Version/New Engine

Version	Game/Branch	Release date	Features
4.1 (build 4038-404x)[confirm]	Source 2007	November 14, 2007[confirm]	Initial release of Hammer for Source 2007. Updates: Inspecting Leaves in Hammer. You can now see visleaves using the Load Portal File option in Hammer, instead of using the glview application. Todo: Add more updates and changes in Source 2007 Hammer. Resizable Object Properties window. The Object Properties window can now be resized, and by default, it is larger and wider. SmartEdit updates. SmartEdit has also been updated. You can preview entity (light_environment for example) brightness & color directly without clicking "Pick color". Fixes: Cubemaps can now be built for maps running in the Orange Box engine. Added Hammer models and materials that were missing in the 11/07 release.
4.1 (build 4169)	Source 2007	March 24, 2008	Updates: Two new lighting preview modes are available in Hammer. Fixes: Fixed crash when loading a .VMF with HL2 is set to the active game.
4.1 (build 4206)	Source 2007	April 30, 2008	Enhancements: Team Fortress 2’s game objects for new ‘Payload’ gameplay are now available to map makers. Fixes: Custom settings in Hammer are no longer overwritten when the SDK is restarted.
4.1 (build 4715)	Source 2007	June 15, 2009	Updates: The texture browser automatically ignores most textures that cannot be placed on brushes or displacements, as well as anything inside a .svn folder for those using svn as their choice of versioning software. Added additional auto visgroups for sprites and cubemaps Separated the VRAD calls into two sequential while using HDR (-ldr and –hdr) instead of –both Model browser is now created once per session Displacement brush dial now has greater range Added a stop button to sound previews
4.1 (build 4715)	Source 2009	June 15, 2009	Initial release of Hammer for Source 2009. Updates: Instances. Inserts an instance of another VMF (map) file into the current one you are currently editing. The texture browser automatically ignores most textures that cannot be placed on brushes or displacements, as well as anything inside a .svn folder for those using svn as their choice of versioning software. Added additional auto visgroups for sprites and cubemaps Separated the VRAD calls into two sequential while using HDR (-ldr and –hdr) instead of –both Model browser is now created once per session Displacement brush dial now has greater range Added a stop button to sound previews
4.1 (build 4715)	Source 2007	September 21, 2009	Last version of Hammer for Source 2007. Todo: Changes?
4.1 (build 5439)	Source 2009 (Half-Life 2, Portal)	September 15, 2011	Last version of Hammer for Source 2009. Fixes: Crash when opening the VGUI model browser in Hammer Hammer lockups Black textures in Hammer, HLMV, and Faceposer
4.1 (build 5473)	Source Multiplayer	October 19, 2011	Initial release of Hammer for Source MP. Fixes: Crash when opening the VGUI model browser in Hammer Hammer lockups Black textures in Hammer, HLMV, and Faceposer
4.1 (build 5476)	Postal III	October 22, 2011 (build date) December 13, 2013 (leak)	Leaked Postal III SDK. Based on Source 2009 Hammer. Updates: Support for Postal III's "prefabs" (not to be confused with Hammer's Prefab feature). Todo: Any other changes?
4.1 (build 5845)	Source Multiplayer (Counter-Strike: Source, Team Fortress 2, etc.)	October 25, 2012	Last version of Hammer for Source MP. Fixes: This update addresses visual regressions seen in Model Viewer and Hammer after the TF2 Halloween update.
4.1 (build 6083)	Source 2013 Singleplayer	June 27, 2013 (build date June 20, 2013)	Initial release of Source 2013 SP Hammer. None. Only SteamPipe fixes.
4.1 (build 6081)	Source 2013 Multiplayer	June 27, 2013 (build date June 18, 2013)	Initial release of Source 2013 MP Hammer. None. Only SteamPipe fixes.
4.1 (build 6412)	Source 2013 Singleplayer	May 15, 2014	Latest version for Source 2013 SP (public branch). Updates: In Hammer Vertex Tool, you can snap the verts of a brush to the nearest grid point with Ctrl + B. This feature is not available on Left 4 Dead engine branch version of Hammer (and later branches derived from ). Todo: Any other changes?
4.1 (build 6440)	Source 2013 Singleplayer	June 12, 2014	Latest version for Source 2013 SP (upcoming branch). None.
4.1 (build 9008)	Source 2013 Multiplayer	July 2, 2021	Last version for Counter-Strike: Source, Day of Defeat: Source, Half-Life Deathmatch: Source and Source SDK Base 2013 - Multiplayer prior to February 18, 2025 update, which replaces Source 2013 Multiplayer with Team Fortress 2 branch in all of these games and SDK. Last version for Half-Life 2: Deathmatch prior to running on Team Fortress 2 branch after 20th anniversary update.
4.1 (build 9092)	Team Fortress 2	September 16, 2021	Unknown
4.1 (build 9109)	Team Fortress 2	October 5, 2021	Unknown
4.1 (build 9464)	Team Fortress 2	September 26, 2022	Unknown
4.1 (build 9520)	Half-Life 2	November 17, 2023 (release)	Last version prior to 20th Anniversary update. (only in )
4.1 (build 9540)	Team Fortress 2	December 8, 2022	Unknown
4.1 (build 10038)	Team Fortress 2	April 18, 2024	Updates: Added a dedicated 64-bit version. This will allow Hammer to access more than 4 GB of RAM, and slightly better performance.
4.1 (build 10042)	Team Fortress 2	April 22, 2024	Latest version for Team Fortress 2.
4.1 (build 10247)	Half-Life 2 Portal	November 13, 2024 (build) November 16, 2024 (HL2, release) May 20, 2025 (Portal, release)	Half-Life 2 20th anniversary update. Also latest version for Half-Life 2 & Portal as of 8/12/2025. Updates: Show detail sprite preview on non-displacement surfaces. Increased many limits for BSP data. Models 1024 -> 2048, Brushes 8192 -> 16384, TexInfo 12288 -> 16384, TexData 2048 -> 8096, DispInfo 2048 -> 8096. Fixes: Fixed bug where orphaned entities added additional data on each map load. Fixed the ability to render cubemaps.
4.1 (build 10259)	Half-Life 2: Deathmatch	November 27, 2024	First version of Half-Life 2: Deathmatch, upgraded from Source 2013 Multiplayer to Team Fortress 2 branch. Updates: Hammer buttons UI has been updated to use Windows visual styles instead of Windows Classic.
4.1 (build 10342) (only in ) 4.1 (build 10343)	Team Fortress 2 branch Counter-Strike: Source Day of Defeat: Source Half-Life 2: Deathmatch Half-Life Deathmatch: Source Source SDK Base 2013 - Multiplayer	February 18, 2025	Latest version for Counter-Strike: Source, Day of Defeat: Source, Half-Life 2: Deathmatch, Half-Life Deathmatch: Source and Source SDK Base 2013 - Multiplayer, completely replaces Source 2013 Multiplayer. Updates: Updated base.fgd and halflife2.fgd to all of these games.
4.1 (build 10427)	Team Fortress 2 branch Counter-Strike: Source Day of Defeat: Source Half-Life 2: Deathmatch Half-Life Deathmatch: Source Source SDK Base 2013 - Multiplayer	May 12, 2025 (build) May 13, 2025 (release)	Upcoming prerelease version.