Making the viewport fullscreen while Application scale is a value other than 1.0 results in a zoomed in/out viewport

Tools - Jan 11, 2017

When using Application Scale in the editor, using F11 to make the viewport fullscreen results in an either zoomed in or zoomed out fullscreen version. Note: This same issue occurs when using a comb ...

[CrashReport] UE4Editor_PropertyEditor!TSharedPtr<IPropertyUtilities,0>::ToSharedRef() [sharedpointer.h:794]

Tools - Dec 6, 2017

Top Crash in 4.18 release Comment from User: "Picking a color for my shader" Source Context:// NOTE: The following is an Unreal extension to standard shared_ptr behavior 788 FORCEINLINE ...

Error launching onto HTML5: "Expression (0) failed in \Engine\Source\Runtime\Core\Private\Async\TaskGraph.cpp:428!"

UE - Platform - Mobile - May 9, 2017

This is launching on to Firefox 53.0.2 (64-bit) and also occurs in Main. Error message:uncaught exception: ASM_CONSTS<@blob:http://localhost:53501/4354ee7b-de4a-419b-b0bc-5d58ff557ed2:1:38655 _emsc ...

UForceFeedbackEffect is only making slight vibration in iOS when value rises from 0 or effect is started.

UE - Platform - Mobile - Jun 11, 2019

UForceFeedback is expected to give vibration just like in the graph of the asset. But only in iOS it is not. It is expected to give continuous vibration following the forcefeedback asset, but only ...

[Metal-Epic:Tools] Compiling Metal 2.0 shaders on XCode 9.3 beta with desktop forward selected fails on iOS

UE - Graphics Features - Mar 30, 2018

Shaders fail to compile with a series of cube map errors (subset below): LogShaderCompilers: Warning: 17 Shader compiler errors compiling global shaders for platform SF_METAL_MRT:   LogShaderComp ...

DefaultSceneRoot causes Get Actor Bounds to Return 128

UE - Gameplay - Jun 1, 2016

When using the Default Scene Root component in a blueprint with no additional components, the box extent of the Get Actor Bounds node is returning 128,128,128 instead of the expected 0,0,0. If you ...

Unable to compile script plugins against 4.16.0

UE - Foundation - Cpp Tools - UnrealBuildTool - May 24, 2017

A bug in UBT is preventing the authors of SkookumScript from submitting their 4.16 plugin to the marketplace. ...

Vive Trackpad X and Y always return 0

UE - Platform - XR - Feb 3, 2020

Platform-specific input for pad axis in 4.24 leads to missing value in VIVE. in 4.23.1 this is not reproduced. ...

[CrashReport] UE4Editor_CoreUObject!FCompressedChunk::FCompressedChunk()

UE - Foundation - Core - Jul 24, 2017

This is a common crash affecting users in 4.16 and the 4.17 Previews. The two descriptions provided by users say their crash occurred after updating their project from 4.13. User DescriptionsUpgra ...

Packaging with Nativize Blueprint Assets Causes Uninitialized Defaults

UE - Gameplay - Blueprint Runtime - Jul 28, 2016

If you use "Set Array Elem" on a vector array but leave "Item" at the default value of (0,0,0) then you'll end up using a temporary uninitialised vector instead of (0,0,0) when it's nativized. Work ...