PakFiles: Unmounting PakFile while requests are still in progress causes assertion failure in UnMount

UE - Foundation - Mar 31, 2022

[Link Removed] Licensee is using the chunk downloader. On Shutdown method of their GameInstance, they call FChunkDownloader->Finalize. When they quit the game (Alt+F4) during a chunck download an a ...

Crash importing FBX

UE - Editor - Content Pipeline - Import and Export - Jan 7, 2015

User reporting as a 4.7 Bug, but no crash report for this bug available for 4.7. Same bug found reported for 4.6.1: Crash Report: [Link Removed] [Code] <unknown module>! KERNELBASE!RaiseExceptio ...

Dragging a BP variable into a category can produce inconsistent results

UE - Gameplay - Blueprint Editor - Jan 18, 2019

The drag-onto-category operation is assigning the prettified category name, not the actual category name, resulting in variables that are not actually in the same category, even though they appear t ...

CameraShake track in Camera Animation Sequence not playing on PIE

UE - Anim - Sequencer - Oct 5, 2022

CameraShake works fine in Camera Animation Sequence's Cine Camera Actor Preview. But not played on Play in Editor mode. ...

[CrashReport] UE4Editor_PropertyEditor!SPropertyEditorAsset::GetObjectPropertyClass() [spropertyeditorasset.cpp:966]

Tools - Nov 23, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Class != NULL [Link Removed] [Line: 965] Source Context: 95 ...

[CrashReport] UE4Editor_Engine!FBoneContainer::GetParentBoneIndex() [bonecontainer.cpp:273]

UE - Anim - Rigging - Nov 21, 2017

This is a common crash coming out of the 4.18 release. User Descriptionsnow it crashes every time I click the "Two Bone IK" node. Hmmm... Source Context 261 int32 FBoneContainer::GetParen ...

Capsule Shadows Not Visible When Using Movable Skylight With Bright Lower Hemisphere Color and Indirect Lighting Cache

UE - Graphics Features - May 9, 2018

I have managed to reproduce this issue in 4.18.3 and 4.19.2. In order to make the Capsule Shadow disappear:Indirect Lighting Cache must be used (Volumetric Lightmap works)Skylight must be set to 'M ...

Packaging to HTML5 fails when Online Framework is enabled

UE - Online - Nov 17, 2018

Packaging a project to HTML5 while Online Framework is enabled seems to cause packaging failures. It produces the following errors from the Output Log:   PackagingResults: Error: unresolved symbol: ...

[CrashReport] UE4Editor_Persona!<lambda_e529d88d0657fbede17be1535bc6d479>::operator() [blendspacedetails.cpp:29]

OLD - Anim - Aug 14, 2017

This is a trending crash coming out of the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack is very close to https://jira.it.epicgames ...

Datasmith Metadata returned as empty array on Python Import

UE - Editor - Content Pipeline - Datasmith - Importer - Oct 27, 2020

Metadata information seems to not be available on import. A user has reported that this was working before but I was able to reproduce the issue in //UE4/Release-4.24 cl 11590370 I am currently lis ...