Exporting a UE4 Animation into Maya results in wrong skin weight

UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020

UE4 Mannequin animations are not exporting/importing correctly into Maya. The right hand is bulkier and the left shoulder is dislocated. This was reported and tested in 4.23.1 (CL-9631420). this w ...

Key input by Sequencer is missing in FBX output of parent-child actors

UE - Anim - Sequencer - Nov 15, 2021

This problem did not occur in 4.27.0. Animation is not output when outputting a hierarchical structure. Actor(A)   ┗Actor(B)     ┗Actor(C) This is how the attachments are registered, and the ke ...

Precomputed AO Mask renders with value of zero after building lighting

UE - Rendering Architecture - Materials - Jan 13, 2023

Regression: Tested in UE5/Release-5.0 at CL 20979098, this issue does not occur so it is a regression.  This issue occurs in 5.1 for both normal light building and GPU Lightmass building. In 5.0 th ...

r.SupportPointLightWholeSceneShadows Set to False Causes Crash When Trying to Place a PointLight

UE - Graphics Features - Jul 25, 2018

If you disable Support PointLightWholeSceneShadows and try to place a point light in a level the editor will crash.  Current work around is put shadows to low from engine scalability settings. Wor ...

Save game slot is not saving on the HTC One plus

UE - Platform - Mobile - Jun 17, 2015

Save game slots via blueprints do not work in a packaged game for the HTC one plus. ...

Cannot negatively scale objects in editor with scaling widget

Tools - Mar 18, 2015

Objects do not react well to negative scaling with the scaling widget. Once an object hits 0 then pushes into negative values it begins stuttering between small float values until the user stops goi ...

Shader Model 5 and Tessellation causes unintended effects on Linux

UE - Platform - Linux - Jul 6, 2016

Using Shader Model 5 and tessellation on Linux gives strange results that are not present when used on Windows ex: 1) When using Shader Model 5 on Linux, turning on Translucent blend mode and Tesse ...

Characters will rarely spawn on top of each other in a networked session

UE - Simulation - Physics - Oct 31, 2016

REGRESSION: Maybe (had one occurring of it happening in 4.13.2) When playing with multiple players at the same time in a networked session, it's possible if rare to have characters spawn so they st ...

PhysX errors when packaging for x86

UE - Platform - Mobile - Oct 27, 2016

Packaging for x86 in ETC1 will generate PhysX errors and cause the package to fail. The following error will occur multiple times throughout the package:UATHelper: Packaging (Android (ETC1)): Unrea ...

[CrashReport] UE4Editor_PackageDependencyInfo!FPackageDependencyInfo::InitializeDependencyInfo() [packagedependencyinfo.cpp:339]

UE - Foundation - Core - Mar 6, 2017

This Jira 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: DepPkgInfo->bIni ...