Description The following changes have been implemented for this Patch:- In-game Downloadable Content (Payware and Freeware).- Improved multi-player support.- Updated support for tunnels, bridges, power lines etc (splines).- Improved session workflow (rules, nesting, copying etc).- Automatic thumbnail generation for routes and sessions.- Rewritten train coupling physics.- Improved CMP error detection and validation.Note: To take advantage of our new DLC system, this latest patch will need to be installed.Previously purchased DLC will now automatically attempt to download and install. If you wish to disable this feature you may do so via the in-game options menuSP1 Changelist:Fixed multiplayer clients experiencing frequent disconnects.Fixed multiplayer decoupling not being performed correctly.Fixed weird partial disconnect state achieved after <10 minutes of play.Fixed driver commands disappearing.Corrected smoke emmisions from steam locos.Fixed issues with sessions having random red signals occuring.Fixed several "Derail on beginning of session" bugs.Fixed several "Script/thread error on beginning of session" bugs.Fixed HTML messages not showing appropriately in sessions.Reworded several session instructions to improve player experience.Patch installer progress bar issues fixed.Solved "multiple new industry" asset problems.Fixed several spelling mistakes.Sessions missing passenger cars have been fixed.Acheivements now correctly register and accumulate properly.Various fixes within Content Manager to improve search, downloading and performance functions.Fixed a bug where players couldn't switch drivers.Autogenerated thumbnails are now created at the correct size.In-Game browser correctly resizes.In-Game browser drop-down menus reconfigured to work.Payware DLS system intergrated, products, thumbnails, and prices added.Issue fixed with NVTT where thread-safety locks were added around the NVTT texture compressor.Fixed issue with game stopping rendering on exit of session.Resolved issue with loading saved sessions when at locked junctions magically removes the locked state.Fixed issue with database repair silently fails on Windows 8.DLC content redownloads/installs each time the player disconnects and reconnects to Planet Auran.Resolved issue where players were unable to Connect to iTrainz Server.Camera shake effect happening in CAB view when driving has been fixed.Official Trainz DLC Content not automatically being favourited is resolved.Fixed cab controls not moving properly when moused.OpenGL UI disappearance and texture disruption when using certain assets.Fixed thread crash when moving around in large routes.Overwriting route via [Save] -> [Save new route and session] causes the route thumbnail to disappear has been solved.Fixed bug where changing a driver removed all driver orders from a driver's schedule.Improved updates to the DLS faulty asset list.Crash to desktop when merging routes is fixed.Fixed many session completion issues across all builtin sessions.Fixed an issue where sessions would remove driver schedules when changing driver details.Fixed misinformation in the tutorials.Fixed an issue where "Edit Route" wouldn't work when run first thing from launch.Fixed issues where PA login was incorrectly being marked as not set.Fixed multiple script exception bugs.Non-derailed sections of consist are no longer automatically cleaned up.Timeout message now shows when a host unexpectedly disconnects in multiplayer.Fixed various bits of odd behaviour when using the chatbox in multiplayer.Fixed a possible crash when TADDaemon shuts down.Fixed a possible freeze in TrainzUtil when updating/installing bulk assets.Attached track now visible in driver mode for some effected assets.Cinematic Camera rule no longer pauses oddly.Fixed an issue where downloading sessions would not download their dependencies as well.Occasional crash when transitioning to map view has been fixed.Added ability to lock entire session in Surveyor.Various performance improvements for asset related issues.Fixed side by side errors on Win8 machine.Fixed issue where TADDaemon stops working on Win8 Pro.Various improvements to text input in various areas around the game.Fixed issues with vehicle displacement/derailment in relation to new coupling system.Dropped support for "old style" DLC content.Fixed a crash when viewing properties of "TZL MultimeshBlend" asset.