[CrashReport] UE4Editor-MetalRHI.dylib!FMetalHeap::BufferSizeToIndex()

UE - Graphics Features - Jan 5, 2018

User comments:when i buld light on preview it build light 100% after that when system showing 43% or more after building light engine crash every time, pls help me... thanksDuplicating three Spher ...

Packaging a DLC Plugin Fails with "Couldn't Update Resources" Error

UE - Foundation - Core - Cooker - Mar 14, 2017

Attempting to package a plugin as DLC is failing with the following error message: Program.Main: ERROR: AutomationTool terminated with exception: System.Exception: Couldn't update resource However ...

[CrashReport] UE4Editor_Engine!UBlendSpaceBase::UpdatePreviewBasePose() [blendspacebase.cpp:1220]

OLD - Anim - May 11, 2017

This crash has been logged due to high frequency among our users. I have tested in 4.15.2 based on the user comments below, but have been unable to reproduce this issue. In my attempts the Blendspa ...

ARKit portrait image aspect ratio incorrect on iPhone 6s,7, probably all phones.

UE - Platform - XR - Nov 29, 2017

As described in this UDN thread, the iPhone 7 manifests incorrect image aspect ratiohttps://udn.unrealengine.com/questions/403841/ios-arkit-portrait-mode-stretching-on-iphone-7.html [Link Removed] ...

Project breaks if Online Subsystem plugin is disabled

UE - Foundation - Core - Apr 25, 2017

Disabling Online Subsystem prevents the project from loading. On Windows, this produces an error shown in attached screenshot. On Linux, this causes a crash with the attached callstack on project ...

Regression: Android Media Player Material - Plays on flipped normal

UE - Platform - Mobile - Jul 25, 2019

Media Player Texture/Material is playing on opposite mesh normal. Confirmed on Note 4, Pixel XL and Oculus Quest Did NOT reproduce with Vulkan. Video Material is white on 4.22 and 4.23 iOS ...

Animation System relies on FindFunctionByName which is not thread safe.

OLD - Anim - Mar 29, 2017

Currently, there are several places in FAnimInstanceProxy and FAnimNode_Base (and derived classes) that rely on FindFunctionByName in order to resolve transitions, evaluate pins, etc. This can happ ...

[CrashReport] UE4Editor_Engine!UEngine::AddOnScreenDebugMessage() [unrealengine.cpp:7733]

Tools - Apr 13, 2018

No user comments in crash group 7643 void UEngine::AddOnScreenDebugMessage(int32 Key, float TimeToDisplay, FColor DisplayColor, const FString& DebugMessage, bool bNewerOnTop, const FVector2D ...

Threading bug in scene capture component

UE - Virtual Production - Sep 14, 2016

void USceneCaptureComponent2D::CaptureSceneDeferred() { UWorld* World = GetWorld(); if (World && World->Scene && IsVisible()) { // Defer until after updates finish // Needs some CS because ...

Controller::GetPawn() returns NULL in 4.9

UE - Gameplay - Sep 3, 2015

Making a call to GetPawn in an AIController class will return NULL which will crash when that return value is used. This is a regression as the call is made successfully in 4.8.3. Working CL: Work ...