4.12.2 Hotfix Released

The 4.12.2 Hotfix is now live! This hotfix resolves a critical crash when refreshing blueprint dependencies on a blueprint with no class, as well as fixing 10 other important issues.
Please be aware that after updating to this hotfix, it will be necessary to recompile shaders on your projects.

Feel free to discuss this release on the 4.12 Forum thread.

If you experience a bug with the 4.12.2 Hotfix, please remember to log a bug report for the issue on the UE4 AnswerHub to the Bug Reports section.

Fixed in 4.12.2

Fixed! UE-31740 Crash While Compiling Blueprint in FBlueprintEditorUtils::RefreshExternalBlueprintDependencyNodes()
Fixed! UE-31655 BP EQS generators crash on adding vectors.
Fixed! UE-31723 Attempting to build MinidumpDiagnostics with Visual Studio 2015 Update 2 results in failure
Fixed! UE-31612 Physics enabled Child Actor components that spawn with with a delay, always spawns at world origin
Fixed! UE-31680 [CrashReport] DestroyChildActor->Rename->StaticFindObject()
Fixed! UE-31682 [CrashReport] UE4Editor_CoreUObject!UObjectBaseUtility::GetOutermost() [uobjectbaseutility.cpp:118]
Fixed! UE-31736 SteamController BackRight is not setup correctly
Fixed! UE-29543 Adjusting Light Source Radius/Length creates undesirable effect
Fixed! UE-31589 Capture reflections on translucent materials are broken
Fixed! UE-31715 Static Meshes Disappear with Media Player Asset Applied as Material in Standalone or Packaged Game
Fixed! UE-31687 Vive: Positional Latency with a Possessed Pawn’s Camera Component