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4.9.1 Hotfix Released

The 4.9.1 Hotfix is now live!

Feel free to continue the discussion about this release on the 4.9 announcement thread.

If you experience a bug with the 4.9.1 Hotfix, please remember to log a bug report for the issue on the UE4 AnswerHub to the Bug Reports section.

Fixed in 4.9.1

Fixed! UE-20265 ForEach ‘Enum’ node returns incorrect enum values
Fixed! 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
Fixed! UE-20878 Child Blueprint getting certain property values cleared in cooked games
Fixed! UE-20009 [CrashReport] UE4Editor_UnrealEd!operator<<() [editortransaction.cpp:157]
Fixed! UE-20867 Issues converting enum to byte in BP
Fixed! UE-20733 Disabling collision of an actor after an overlap event will cause the event to fire twice
Fixed! UE-20466 [CrashReport] UE4Editor_Engine!UAnimSequence::GetBonePose() [animsequence.cpp:994]
Fixed! UE-20413 Montage with negative value of curves doesn’t work
Fixed! UE-20496 Overlap checks during swept movement can generate repeated begin/end overlaps, or wrong end overlap event
Fixed! UE-20146 Can’t increase lightmap resolution on landscape, it crashes
Fixed! UE-20202 Dynamic point lights generate shader compile errors on HTML5
Fixed! UE-20492 Renamed/Copied code project folders fail to launch on to iOS
Fixed! UE-20728 Editable Text crashes on Android
Fixed! UE-20380 HTML5: Mac: RunMacHTML5LaunchHelper.command has incorrect file type in P4, causes error
Fixed! UE-20419 Mono error encountered with packaged HTML5 sample
Fixed! UE-20872 Enabling MSAA crashes when using metal
Fixed! 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.
**Fixed! UE-20928 Launch on for Android may crash or use wrong version of aapt
Fixed! UE-20864 Launch on to Wi-Fi Android devices will fail
Fixed! UE-20008 SunTemple exits to home screen on the iPad 4
Fixed! UE-20590 Can’t build UE4Game for IOS from PC
Fixed! UE-12215 Sound effects continue to play when game is suspended on Android
Fixed! UE-20692 Epic Games Launcher unhides while the editor is loading on Mac
Fixed! 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.**
Fixed! UE-20640 SSAO 4.9 perf regression fix
Fixed! UE-20335 Blendable Weight set higher than 1.0 crashes
Fixed! UE-20639 Crash on Mobile Previewing or Playing in a New Editor Viewport a Mobile/Tablet - Mobile/HTML Project
Fixed! UE-20297 REGRESSION: HierarchicalInstancedStaticMeshComponent LOD transitions are broken in 4.9 and Main
Fixed! UE-20172 [CrashReport] UE4Editor_Engine!FBatchedElements::FSimpleElementBSSContainer::GetBSS() [batchedelements.h:308]
Fixed! UE-20699 “Build Solution” does not work for GitHub users
Fixed! UE-20291 Rev Oculus SDK to 0.7 / 0.6.18