- 
                            •
                            Added measures against fake servers. 
- 
                            •
                            Added an experimental cache system for vectors/angles returned by Lua functions to minimize memory allocation/freeing 
- 
                            •
                            Added HL:S gib models (for custom maps that use them) 
- 
                            •
                            Added more validation for packets (prevents one of the ddos methods) 
- 
                            •
                            GM:AcceptInput 
- 
                            •
                            Added Alyx Gun sounds 
- 
                            •
                            Entity.CollisionRulesChanged 
- 
                            •
                            PhysObj.RecheckCollisionFilter 
- 
                            •
                            CLuaEmitter.Is3D 
- 
                            •
                            CLuaEmitter.GetPos 
- 
                            •
                            CLuaLocomotion.GetMaxYawRate 
- 
                            •
                            CLuaLocomotion.SetMaxYawRate 
- 
                            •
                            CLuaLocomotion.IsAscendingOrDescendingLadder 
- 
                            •
                            CLuaLocomotion.IsUsingLadder 
- 
                            •
                            navmesh.GetNearestNavArea 
- 
                            •
                            navmesh.GetAllNavAreas 
- 
                            •
                            CNavArea.GetRandomPoint 
- 
                            •
                            CNavArea.GetCenter 
- 
                            •
                            CNavArea.GetAttributes 
- 
                            •
                            CNavArea.HasAttributes 
- 
                            •
                            CNavArea.IsOverlappingArea 
- 
                            •
                            CNavArea.ComputeGroundHeightChange 
- 
                            •
                            CNavArea.ComputeDirection 
- 
                            •
                            CNavArea.GetIncomingConnectionsAtSide 
- 
                            •
                            CNavArea.GetIncomingConnections 
- 
                            •
                            CNavArea.IsValid 
- 
                            •
                            CNavArea.GetAdjacentCountAtSide 
- 
                            •
                            CNavArea.GetAdjacentCount 
- 
                            •
                            CNavArea.GetAdjacentAreaAtSide 
- 
                            •
                            CNavArea.GetRandomAdjacentAreaAtSide 
- 
                            •
                            CNavArea.GetAdjacentAreasAtSide 
- 
                            •
                            CNavArea.GetAdjacentAreas 
- 
                            •
                            CNavArea.IsConnectedAtSide 
- 
                            •
                            CNavArea.IsConnected 
- 
                            •
                            CNavArea.GetLadders 
- 
                            •
                            CNavArea.GetLaddersAtSide 
- 
                            •
                            navmesh.GetNavLadderByID 
- 
                            •
                            CNavLadder.GetPosAtHeight 
- 
                            •
                            CNavLadder.GetNormal 
- 
                            •
                            CNavLadder.IsValid 
- 
                            •
                            CNavLadder.GetID 
- 
                            •
                            CNavLadder.IsConnectedAtSide 
- 
                            •
                            Added 'victim' and 'damageinfo' arguments to NEXTBOT:OnOtherKilled 
- 
                            •
                            Added 'ent' argument to NEXTBOT:OnLeaveGround & NEXTBOT:OnLandOnGround 
- 
                            •
                            NEXTBOT:OnContact 
- 
                            •
                            NEXTBOT:OnIgnite 
- 
                            •
                            NEXTBOT:OnNavAreaChanged 
- 
                            •
                            Nextbot:GetSolidMask 
- 
                            •
                            Nextbot:SetSolidMask 
- 
                            •
                            Entity.AddSolidFlags 
- 
                            •
                            Entity.RemoveSolidFlags 
- 
                            •
                            Entity.GetSolidFlags 
- 
                            •
                            Entity.SetSolidFlags 
- 
                            •
                            FSOLID_ 
- 
                            •
                            NAV_MESH_ 
- 
                            •
                            Added custom icon for srcds.exe 
- 
                            •
                            Added VProf support to a bunch of functions 
- 
                            •
                            Added navigation mesh for gm_flatgrass 
- 
                            •
                            GM:NotifyShouldTransmit 
- 
                            •
                            Added third optional argument to CreateSound() - channel 
- 
                            •
                            Panel:GetZPos 
- 
                            •
                            CRecipientFilter:GetCount 
- 
                            •
                            CRecipientFilter:AddPAS 
- 
                            •
                            Added models/weapons/c_arms.mdl