Changing transform variable value of actor blueprint does not update child actor component using the set actor

UE - Gameplay - Blueprint - Dec 2, 2016

If an actor blueprint contains a Transform variable, setting that blueprint as the child actor component (CAC) of another blueprint / blueprint instance then updating the transform variable in the o ...

World Origin Shifting reacts differently on positive vs. negative axis movement

UE - World Creation - Worldbuilding Tools - World Composition - Sep 23, 2015

When moving along a positive axis using world origin shifting, the value of the axis will increase and the origin will shift until it reaches a maximum value of 2147483648.000, it will transport the ...

Crash when opening level that uses foliage with a deleted mesh

UE - World Creation - Worldbuilding Tools - Foliage - May 31, 2017

This report was logged due to a high volume of submitted crash reports. It occurs when opening a level where a deleted mesh as being used as foliage. This is a regression. The crash does not occu ...

Components stop reporting overlap after a certain amount of actors are attached

UE - Simulation - Physics - Jun 5, 2017

Components stop reporting overlap after a certain amount of actors are attached Warning Trying to simulate physics on ''/Game/UEDPIE_0_Level1.Level1:PersistentLevel.Cube7.StaticMeshComponent0'' but ...

Instanced static meshes fire an erroneous performance assert about loose parameters.

UE - Graphics Features - Sep 4, 2019

 "This ensure is intended to catch regressions where rendering programmers add a loose parameter to LocalVertexFactory, breaking dynamic instancing on regular static meshes.  InstancedStaticMeshes c ...

GPUCrash - exiting due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')

UE - Graphics Features - Oct 26, 2017

This Jira is for the continuation of the "D3D HUNG" crashes which originally spiked in the UE 4.14 release. Some fixes were implemented in 4.16.2 and 4.17.0 which made some improvement to the freque ...

Render in Movie Render Queue with High Resolution Tiling Overlap causes dark pixels

UE - Anim - Sequencer - MRQ - Jun 13, 2024

From UDN: thanks for your reply. I have attached a very basic scene with a MRQ settings preset. The only thing I have changed in the scene is that I've set the Camera Exposure to manual, as it do ...

[CrashReport] UE4Editor_VisualStudioSourceCodeAccess!TComPtr<IDispatch>::operator->() [compointer.h:107]

Tools - Mar 27, 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: RawPointer != n ...

Subsequent packaging attempts fail when packaging with Chunks, Nativization, Full Rebuild and For Distribution enabled

UE - Foundation - Cpp Tools - Automation Tool - May 4, 2017

Subsequent packaging attempts when Generate Chunks, Blueprint Nativization, Full Rebuild, and For Distribution are enabled will fail. The error that appears states that the AutomationTool log file i ...

LIVE: EDITOR: CRASH: Editor crashes on iPad4 when attempting to draw a texture that is 2048x1536

UE - Platform - Mobile - Oct 14, 2014

Build: 4.5.0-2316912 Description: .exe crashes on iPad4 when attempting to draw a 2048x1536 texture to the HUD Frequency: 2/2 Repro: [Reproduced Internally] 1. Download attached texture file. 2. Ope ...