Apr 3, 2014
Garry's Mod - Rubat
Due to character limits, the list below does not include changes contributed by the community.
The full changelog can be found here.

FIXES
  • Fixed viewmodel bobbing snapping when jumping or noclipping
  • Fixed flashlight getting duplicated when receiving a full packet update
  • Fixed spawnicons not always regenerating at the correct resolution when resized
  • Fixed lamps projecting backwards!
  • Fixed gamemode name reported by Steam not being updated after a changelevel
  • Fixed key bindings not working correctly in the main menu
  • Fixed GMod decals not working when used on props
  • Fixed debug textures not being precached
  • Fixed rendering artifacts when some particle effects are rendered in front of the skybox
  • Fixed nav files remaining open after loading a map
  • Fixed shell ejection issues on the HL2 pistol and SMG
  • Fixed viewmodel jittering when overwriting viewmodel position
  • Fixed viewmodel prediction errors when switching to thirdperson and back
  • Fixed sound spam with weapon_rpg when no ammo is left
  • Fixed jigglebones occasionally snapping into impossible positions when rapidly moving
  • Fixed keyframe_rope ignoring attachment points
  • Fixed combine balls not colliding with players
  • Fixed env_zoom not working at all
  • Fixed metrocops holding the stunstick going into a T-pose when attacked
  • Fixed metrocops not turning their stunstick on before attacking
  • Fixed NPCs not receiving the appropriate amount of damage from HL2 weapons

IMPROVEMENTS
  • Improved mounting system
  • sv_kickerrornum now defaults to 0 and its value is now saved to the config file
  • sv_allowcslua is now saved to the config file
  • Clientside Lua is now always allowed in singleplayer
  • Improved some spawn icons
  • TextEntry panels no longer filter '\t' characters
  • Restored old damage force behaviour
  • Singleplayer jump boost from HL2 is now implemented in Lua as a sandbox feature

ADDITIONS
  • Added clientside convar cl_steamoverlay_pos
LUA SCRIPTING
  • Fixes
    • Fixed render.SetStencilWriteMask setting the test mask instead of the write mask
    • Fixed CLuaEmitter:Finish not freeing the emitter
    • Fixed util.TableToJSON not encoding floating point values with enough accuracy
    • Fixed Player:ScreenFade not taking color alpha into account
    • Fixed GM:GravGunPickupAllowed not preventing the gravity gun from trying to pick up forbidden entities
    • Fixed GM:GravGunPunt not being called clientside when holding an object
    • Fixed CSoundPatch:Stop not actually stopping the sound when the game is paused
    • Fixed memory leak when calling timer.Create on an already existing timer
    • Fixed surface.GetTextSize ignoring '&'
    • Fixed the gravity gun and crowbar being removed when dropped using Player:DropWeapon
    • Partially fixed functions from the render and surface library not writing alpha when drawing on a render target
    • Fixed Entity:GibBreakClient not taking skin number into account
    • Fixed Entity:MapCreationID returning different values after a map cleanup
    • Fixed NEXTBOT:Use not being called
    • Fixed panels not feeding mousewheel events to their parent if the PANEL:OnMouseWheeled hook is defined
    • Fixed long-term performance issues with Entity:Remove
    • Fixed Entity:EnableMatrix not propagating matrix transform to child bones
    • Fixed an exploit with require, Player:ConCommand and game.ConsoleCommand
    • Fixed nan and +/-infinity returning a non null terminated string when converted into a string
    • Fixed Pre/PostDrawOpaqueRenderables receiving incorrect arguments
    • Fixed file functions not working with file names containing certain special characters
    • Fixed VMatrix:SetAnglesnot preserving translation and scale
    • Fixed surface.CreateFont disconnecting clients when an invalid table is passed
  • Improvements
    • HTTP requests now accept a "headers" table
    • game.AddDecal now accepts a string table as its second argument
    • Entity:IsValid no longer returns true on entities which have been removed during the current frame
    • Player:LagCompensation should now work in any predicted hook
    • Changed GM:CalcViewModelView, return a position and an angle to override viewmodel position
    • vm_origin and vm_angles fields in table returned from GM:CalcView are now deprecated
    • sound.PlayURL second parameter can now contain the “noblock” flag, which disables streaming in blocks
    • IGModAudioChannel:Stop now permanently deletes the channel
    • IGModAudioChannel:SetPos now takes an orientation vector as an optional second argument
    • Improved command blacklisting for Player:ConCommand and game.ConsoleCommand
    • sound.Add now accepts a table as its pitch and volume parameters
    • Moved Vector:__unm from Lua to C
    • Moved Angle:__unm from Lua to C
    • Matrix can now take an optional 4x4 table as an argument
    • Matrices can now be multiplied by vectors
    • Player:ViewPunchReset first argument is now optional (defaults to 0)
    • All trace functions from the util library now accept an ‘ignoreworld’ boolean parameter in their trace data
    • net.Start now starts an unreliable message if its second argument is true
    • Changed Entity:DispatchTraceAttack arguments to (dmginfo, traceres, dir)
  • Additions
    • Added chat.Open
    • Added chat.Close
    • Added render.SetLightmapTexture
    • Added render.PushRenderTarget
    • Added render.PopRenderTarget
    • Added GM:EntityEmitSound
    • Added NEXTBOT:OnRemove
    • Added timer.TimeLeft and timer.RepsLeft
    • Added render.OverrideAlphaWriteEnable
    • Added render.OverrideColorWriteEnable
    • Added render.SetWriteDepthToDestAlpha
    • Added a few requested ACT enums
    • Added PANEL:OnRemove hook
    • Removed PANEL:OnDeletion hook
    • Replaced Entity:GetTextures with Entity:GetMaterials
    • Added IGModAudioChannel:GetPos
    • Added IGModAudioChannel:GetVolume
    • Added IGModAudioChannel:SetTime
    • Added IGModAudioChannel:Set3DFadeDistance
    • Added IGModAudioChannel:Get3DFadeDistance
    • Added IGModAudioChannel:Set3DCone
    • Added IGModAudioChannel:Get3DCone
    • Added IGModAudioChannel:GetState
    • Added IGModAudioChannel:IsLooping
    • Added IGModAudioChannel:IsOnline
    • Added IGModAudioChannel:Is3D
    • Added IGModAudioChannel:GetLength
    • Added IGModAudioChannel:GetFileName
    • Added IGModAudioChannel:GetSamplingRate
    • Added IGModAudioChannel:GetBitsPerSample
    • Added IGModAudioChannel:GetLevel
    • Added IGModAudioChannel:FFT
    • Added IGModAudioChannel:GetPlaybackRate
    • Added IGModAudioChannel:SetPlaybackRate
    • Added the GMOD_CHANNEL_* and FFT_* enums
    • Added sound.GetTable
    • Added sound.GetProperties
    • Added GM:StartCommand
    • Added GM:EntityFireBullets
    • Added util.GetSurfacePropName
    • Added system.FlashWindow
    • VMatrix objects can now be printed to the console
    • Added VMatrix support for the following operators: ==, ~=, +, -
    • Added VMatrix:ToTable
    • Added VMatrix:Set
    • Added VMatrix:Identity
    • Added VMatrix:IsIdentity
    • Added VMatrix:IsRotationMatrix
    • Added VMatrix:Invert
    • Added VMatrix:GetRight
    • Added VMatrix:GetUp
    • Added VMatrix:SetForward
    • Added VMatrix:SetRight
    • Added VMatrix:SetUp
    • Added VMatrix:GetField
    • Added VMatrix:SetField
    • Added VMatrix:SetScale
    • Added VMatrix:InvertTR
    • Added VMatrix:GetInverse
    • Added VMatrix:GetInverseTR
    • Added VMatrix:GetForward
    • Added Player:GetCurrentViewOffset
    • Added Player:SetCurrentViewOffset
    • Added Entity:AddFlags
    • Added Entity:RemoveFlags
    • Added Entity:IsFlagSet
    • Added FL_* enums
    • Added Player:GetViewPunchAngles
    • Added Player:SetViewPunchAngles
Apr 3, 2014
Garry's Mod - Rubat
Due to character limits, the list below does not include changes contributed by the community.
The full changelog can be found here.

FIXES
  • Fixed viewmodel bobbing snapping when jumping or noclipping
  • Fixed flashlight getting duplicated when receiving a full packet update
  • Fixed spawnicons not always regenerating at the correct resolution when resized
  • Fixed lamps projecting backwards!
  • Fixed gamemode name reported by Steam not being updated after a changelevel
  • Fixed key bindings not working correctly in the main menu
  • Fixed GMod decals not working when used on props
  • Fixed debug textures not being precached
  • Fixed rendering artifacts when some particle effects are rendered in front of the skybox
  • Fixed nav files remaining open after loading a map
  • Fixed shell ejection issues on the HL2 pistol and SMG
  • Fixed viewmodel jittering when overwriting viewmodel position
  • Fixed viewmodel prediction errors when switching to thirdperson and back
  • Fixed sound spam with weapon_rpg when no ammo is left
  • Fixed jigglebones occasionally snapping into impossible positions when rapidly moving
  • Fixed keyframe_rope ignoring attachment points
  • Fixed combine balls not colliding with players
  • Fixed env_zoom not working at all
  • Fixed metrocops holding the stunstick going into a T-pose when attacked
  • Fixed metrocops not turning their stunstick on before attacking
  • Fixed NPCs not receiving the appropriate amount of damage from HL2 weapons

IMPROVEMENTS
  • Improved mounting system
  • sv_kickerrornum now defaults to 0 and its value is now saved to the config file
  • sv_allowcslua is now saved to the config file
  • Clientside Lua is now always allowed in singleplayer
  • Improved some spawn icons
  • TextEntry panels no longer filter '\t' characters
  • Restored old damage force behaviour
  • Singleplayer jump boost from HL2 is now implemented in Lua as a sandbox feature

ADDITIONS
  • Added clientside convar cl_steamoverlay_pos
LUA SCRIPTING
  • Fixes
    • Fixed render.SetStencilWriteMask setting the test mask instead of the write mask
    • Fixed CLuaEmitter:Finish not freeing the emitter
    • Fixed util.TableToJSON not encoding floating point values with enough accuracy
    • Fixed Player:ScreenFade not taking color alpha into account
    • Fixed GM:GravGunPickupAllowed not preventing the gravity gun from trying to pick up forbidden entities
    • Fixed GM:GravGunPunt not being called clientside when holding an object
    • Fixed CSoundPatch:Stop not actually stopping the sound when the game is paused
    • Fixed memory leak when calling timer.Create on an already existing timer
    • Fixed surface.GetTextSize ignoring '&'
    • Fixed the gravity gun and crowbar being removed when dropped using Player:DropWeapon
    • Partially fixed functions from the render and surface library not writing alpha when drawing on a render target
    • Fixed Entity:GibBreakClient not taking skin number into account
    • Fixed Entity:MapCreationID returning different values after a map cleanup
    • Fixed NEXTBOT:Use not being called
    • Fixed panels not feeding mousewheel events to their parent if the PANEL:OnMouseWheeled hook is defined
    • Fixed long-term performance issues with Entity:Remove
    • Fixed Entity:EnableMatrix not propagating matrix transform to child bones
    • Fixed an exploit with require, Player:ConCommand and game.ConsoleCommand
    • Fixed nan and +/-infinity returning a non null terminated string when converted into a string
    • Fixed Pre/PostDrawOpaqueRenderables receiving incorrect arguments
    • Fixed file functions not working with file names containing certain special characters
    • Fixed VMatrix:SetAnglesnot preserving translation and scale
    • Fixed surface.CreateFont disconnecting clients when an invalid table is passed
  • Improvements
    • HTTP requests now accept a "headers" table
    • game.AddDecal now accepts a string table as its second argument
    • Entity:IsValid no longer returns true on entities which have been removed during the current frame
    • Player:LagCompensation should now work in any predicted hook
    • Changed GM:CalcViewModelView, return a position and an angle to override viewmodel position
    • vm_origin and vm_angles fields in table returned from GM:CalcView are now deprecated
    • sound.PlayURL second parameter can now contain the “noblock” flag, which disables streaming in blocks
    • IGModAudioChannel:Stop now permanently deletes the channel
    • IGModAudioChannel:SetPos now takes an orientation vector as an optional second argument
    • Improved command blacklisting for Player:ConCommand and game.ConsoleCommand
    • sound.Add now accepts a table as its pitch and volume parameters
    • Moved Vector:__unm from Lua to C
    • Moved Angle:__unm from Lua to C
    • Matrix can now take an optional 4x4 table as an argument
    • Matrices can now be multiplied by vectors
    • Player:ViewPunchReset first argument is now optional (defaults to 0)
    • All trace functions from the util library now accept an ‘ignoreworld’ boolean parameter in their trace data
    • net.Start now starts an unreliable message if its second argument is true
    • Changed Entity:DispatchTraceAttack arguments to (dmginfo, traceres, dir)
  • Additions
    • Added chat.Open
    • Added chat.Close
    • Added render.SetLightmapTexture
    • Added render.PushRenderTarget
    • Added render.PopRenderTarget
    • Added GM:EntityEmitSound
    • Added NEXTBOT:OnRemove
    • Added timer.TimeLeft and timer.RepsLeft
    • Added render.OverrideAlphaWriteEnable
    • Added render.OverrideColorWriteEnable
    • Added render.SetWriteDepthToDestAlpha
    • Added a few requested ACT enums
    • Added PANEL:OnRemove hook
    • Removed PANEL:OnDeletion hook
    • Replaced Entity:GetTextures with Entity:GetMaterials
    • Added IGModAudioChannel:GetPos
    • Added IGModAudioChannel:GetVolume
    • Added IGModAudioChannel:SetTime
    • Added IGModAudioChannel:Set3DFadeDistance
    • Added IGModAudioChannel:Get3DFadeDistance
    • Added IGModAudioChannel:Set3DCone
    • Added IGModAudioChannel:Get3DCone
    • Added IGModAudioChannel:GetState
    • Added IGModAudioChannel:IsLooping
    • Added IGModAudioChannel:IsOnline
    • Added IGModAudioChannel:Is3D
    • Added IGModAudioChannel:GetLength
    • Added IGModAudioChannel:GetFileName
    • Added IGModAudioChannel:GetSamplingRate
    • Added IGModAudioChannel:GetBitsPerSample
    • Added IGModAudioChannel:GetLevel
    • Added IGModAudioChannel:FFT
    • Added IGModAudioChannel:GetPlaybackRate
    • Added IGModAudioChannel:SetPlaybackRate
    • Added the GMOD_CHANNEL_* and FFT_* enums
    • Added sound.GetTable
    • Added sound.GetProperties
    • Added GM:StartCommand
    • Added GM:EntityFireBullets
    • Added util.GetSurfacePropName
    • Added system.FlashWindow
    • VMatrix objects can now be printed to the console
    • Added VMatrix support for the following operators: ==, ~=, +, -
    • Added VMatrix:ToTable
    • Added VMatrix:Set
    • Added VMatrix:Identity
    • Added VMatrix:IsIdentity
    • Added VMatrix:IsRotationMatrix
    • Added VMatrix:Invert
    • Added VMatrix:GetRight
    • Added VMatrix:GetUp
    • Added VMatrix:SetForward
    • Added VMatrix:SetRight
    • Added VMatrix:SetUp
    • Added VMatrix:GetField
    • Added VMatrix:SetField
    • Added VMatrix:SetScale
    • Added VMatrix:InvertTR
    • Added VMatrix:GetInverse
    • Added VMatrix:GetInverseTR
    • Added VMatrix:GetForward
    • Added Player:GetCurrentViewOffset
    • Added Player:SetCurrentViewOffset
    • Added Entity:AddFlags
    • Added Entity:RemoveFlags
    • Added Entity:IsFlagSet
    • Added FL_* enums
    • Added Player:GetViewPunchAngles
    • Added Player:SetViewPunchAngles
Jul 5, 2013
Garry's Mod - Facepunch
- Workshop addons can be downloaded when joining a server
- Added resource.AddWorkshop( workshopid )
- Fixed fonts being invisible on resolution change
- Fixed crash when starting map
- Fixed sound.PlayURL not always calling the callback properly
- Banned 1,500 cheaters

If you have been banned for cheating and are sure you didn't cheat - then please email me at garry@garrysmod.com with your 64bit SteamID and I will look into it for you.
Jul 5, 2013
Garry's Mod - garry
- Workshop addons can be downloaded when joining a server
- Added resource.AddWorkshop( workshopid )
- Fixed fonts being invisible on resolution change
- Fixed crash when starting map
- Fixed sound.PlayURL not always calling the callback properly
- Banned 1,500 cheaters

If you have been banned for cheating and are sure you didn't cheat - then please email me at garry@garrysmod.com with your 64bit SteamID and I will look into it for you.
May 31, 2013
Garry's Mod - Facepunch
Next week we're switching Garry's Mod over to Steampipe!

You can (and should) read more about what this means here.

@garrynewman
May 31, 2013
Garry's Mod - garry
Next week we're switching Garry's Mod over to Steampipe!

You can (and should) read more about what this means here.

@garrynewman
Garry's Mod - Facepunch
Update 153 is now out! It includes Kinect support!

<a href='http://www.youtube.com/watch?v=cKDRcHab6mc'><img src='http://puu.sh/1xPF6'></a>

You can <a href='http://garrysmod.com/post/37344597221/garrys-mod-update-153'>see what else is included by clicking here</a>.
Garry's Mod - garry
Update 153 is now out! It includes Kinect support!



You can see what else is included by clicking here.
Nov 16, 2012
Garry's Mod - Facepunch
<a href='http://garrysmod.com/post/35851602584/garrys-mod-update-152'>Update 152 is now live!</a> I'm hoping it will fix the majority of problems I've inflicted on you this week.
Nov 16, 2012
Garry's Mod - garry
Update 152 is now live! I'm hoping it will fix the majority of problems I've inflicted on you this week.
...