Unreal Engine 4.9 Update Notes

Windows
MacOS
Linux

4.9.0 Release

Released: 08/31/2015

Github: https://github.com/EpicGames/UnrealEngine/releases/tag/4.9.0-release

Release Notes: Unreal Engine 4.9 Release Notes

4.9.1 Hotfix

Released: 09/15/2015

Github: https://github.com/EpicGames/UnrealEngine/releases/tag/4.9.1-release

Fixes:

  • UE-20265 ForEach 'Enum' node returns incorrect enum values

  • UE-20643 Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc

  • UE-20878 Child Blueprint getting certain property values cleared in cooked games

  • UE-20009 [CrashReport] UE4Editor_UnrealEd!operator<<() [editortransaction.cpp:157]

  • UE-20867 Issues converting enum to byte in BP

  • UE-20733 Disabling collision of an actor after an overlap event will cause the event to fire twice

  • UE-20466 [CrashReport] UE4Editor_Engine!UAnimSequence::GetBonePose() [animsequence.cpp:994]

  • UE-20413 Montage with negative value of curves doesn't work

  • UE-20496 Overlap checks during swept movement can generate repeated begin/end overlaps, or wrong end overlap event

  • UE-20146 Can't increase lightmap resolution on landscape, it crashes

  • UE-20202 Dynamic point lights generate shader compile errors on HTML5

  • UE-20492 Renamed/Copied code project folders fail to launch on to iOS

  • UE-20728 Editable Text crashes on Android

  • UE-20380 HTML5: Mac: RunMacHTML5LaunchHelper.command has incorrect file type in P4, causes error

  • UE-20419 Mono error encountered with packaged HTML5 sample

  • UE-20872 Enabling MSAA crashes when using metal

  • UE-20968 Offline Shader Compile has been disabled on Mac

  • Note: When performing a launch on from the Mac to iOS the first time there will be an increase in the cook time as the shaders will be rebuilt.

  • UE-20928 Launch on for Android may crash or use wrong version of aapt

  • UE-20864 Launch on to Wi-Fi Android devices will fail

  • UE-20008 SunTemple exits to home screen on the iPad 4

  • UE-20590 Can't build UE4Game for IOS from PC

  • UE-12215 Sound effects continue to play when game is suspended on Android

  • UE-20692 Epic Games Launcher unhides while the editor is loading on Mac

  • UE-20991 Launch On for iOS does not automatically start

  • Note: The Launch On feature for iOS on Mac has been temporarily disabled due to an incompatibility with Xcode 7.0. We are working on the issue for 4.10.

  • UE-20640 SSAO 4.9 perf regression fix

  • UE-20335 Blendable Weight set higher than 1.0 crashes

  • UE-20639 Crash on Mobile Previewing or Playing in a New Editor Viewport a Mobile/Tablet - Mobile/HTML Project

  • UE-20297 REGRESSION: HierarchicalInstancedStaticMeshComponent LOD transitions are broken in 4.9 and Main

  • UE-20172 [CrashReport] UE4Editor_Engine!FBatchedElements::FSimpleElementBSSContainer::GetBSS() [batchedelements.h:308]

  • UE-20699 "Build Solution" does not work for GitHub users

  • UE-20291 Rev Oculus SDK to 0.7 / 0.6.18

4.9.2 Hotfix

Released: 09/30/2015

Github: https://github.com/EpicGames/UnrealEngine/releases/tag/4.9.2-release

Fixes:

  • UE-20792 DrawMaterial() Function not Rendering Translucent Material to HUD

  • UE-21233 Calling RequestStimuliListenerUpdate on actor with one element in AIPerception Sensing Config causes crash

  • UE-21234 Crash on play when AIPerception Senses Config element is set to "sense config" options

  • UE-20913 Undo after deletion in BP editor causes crash

  • UE-17698 [CrashReport] UE4Editor_CoreUObject!UStruct::IsChildOf() [class.h:400]

  • UE-20644 [CrashReport] Crash while undoing in Blueprints - FObjectRecord::FReader::operator

  • UE-20258 Child blueprint classes can no longer change default values for inherited variables

  • UE-21081 Cannot open assets created in 4.9.1 in 4.9.0 version of editor

  • UE-20210 [CrashReport] Crash on Windows Chinese version when changing editor language

  • UE-21337 Movies are not skipped when Wait for Movies to Complete is false

  • UE-21292 Parallax Occlusion Mapping broken on Macs

  • UE-21127 Crash in FSlateImageRun destructor

  • UE-20550 Sliders and check boxs not working on touch screen device

  • UE-21076 Possible divide by zero in animation transitions with zero crossfade durations

  • UE-20961 [CrashReport] UE4Editor_Engine!FKShapeElem::GetShapeCheck() [shapeelem.h:55]

  • UE-20952 Launching a Project which uses Depth of Field crashes to Home Screen on iOS8 device

  • UE-21123 PowerVR Galaxy S4 (GT-I9500) shows black scene when MobileHDR enabled

  • UE-21367 Submitting to App store for IOS 9 leads to validation errors

  • UE-20940 Effects.umap causes Standalone and Mobile Preview PIE to Crash

  • UE-21126 Foliage culling broken on XboxOne

  • UE-21185 Update buttons on CrashReporter window to encourage submission

Select Skin
Light
Dark

Welcome to the new Unreal Engine 4 Documentation site!

We're working on lots of new features including a feedback system so you can tell us how we are doing. It's not quite ready for use in the wild yet, so head over to the Documentation Feedback forum to tell us about this page or call out any issues you are encountering in the meantime.

We'll be sure to let you know when the new system is up and running.

Post Feedback