MoviePipeline: Incorrect Caching of Min/Max World Delta Time

UE - Anim - Sequencer - MRQ - Jan 31, 2023

To test this issue: Create a C++ class WolrdTimeDilationDebugActor.h in your Project with the following code:// Copyright Epic Games, Inc. All Rights Reserved. #pragma once #include "CoreMinim ...

[CrashReport] UE4Editor_Engine!FTexturePlatformData::GetNumNonStreamingMips() [texturederiveddata.cpp:1260]

UE - Graphics Features - Apr 10, 2017

Was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Mips.Num() > 0 [Link Remov ...

Crash when setting a module input to read from a new user parameter

UE - Niagara - Jun 2, 2020

Crash when setting a module input to read from a new user parameter Crash does not occur when drag/dropping a User Parameter from the Parameters panel into the input, or when selecting a preexistin ...

Animation timeline shows black when only animating the opacity of a widget (regardless of the the color setting in that widget)

UE - Anim - Sequencer - Jul 13, 2015

This is something that needs to be solved at the color track level in sequencer, we need to be showing current values in place of 0,0,0 for the things that are not animated. When animating just the ...

Landscape Tool crashes on Layer Import

UE - LD & Modeling - Terrain - Landscape - Mar 12, 2020

The heightmap and weightmaps were created using Terresculptor, and exported in the correct format. If you import everything except the layermaps, the landscape is generated and the layers can be pai ...

[CrashReport] UE4Editor_Engine!FTextureCacheDerivedDataWorker::BuildTexture() [texturederiveddata.cpp:772]

UE - Graphics Features - Feb 20, 2017

Error message: Access violation - code c0000005 (first/second chance not available) Source Context:757 if (SourceMips.Num()) 758 { 759 FFormatNamedArguments Args; ...

GAS PlayMontageAndWait: Server applies root motion with wrong scale at last montage tick

UE - Gameplay - Gameplay Ability System - Apr 3, 2024

User reported: when playing an AnimMontage via GameplayAbility with the PlayMontageAndWait ability task that has a custom value for AnimRootMotionTranslationScale, (dedicated) servers can apply an i ...

Crash from generated Merged Actor with no created lightmap UV

UE - Gameplay - Nov 11, 2016

If you import a static mesh with no setup lightmap and uncheck the option for Generate lightmap UV so that only the UV Channel 0 is present. When you use the Merge Actor tool with a single one of th ...

App crashes when executing 'Export to Disk' node on Android

UE - Platform - Mobile - Aug 11, 2020

Regression is unconfirmed ...

[Feature Request] Cook in the Editor should only save Asset Registry for the cook target platform

UE - Foundation - Core - Cooker - Jan 18, 2018

Request from Licensee: When launch Launching in the editor, it seems that asset registries of platforms other than those specified in Launch are also generated.  LogAssetRegistryGenerator: Startin ...