Meta Allowed Class Doesn't Allow All The Included Classes

Tools - Dec 24, 2019

The Meta Allowed Classes specifier doesn't allow the user to assign anything of the second type. Found in 4.24.1 CL#10757647 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#10868506 ...

Linking Error Happens When Trying to Inherit From TextureRenderTarget2D in C++

UE - Rendering Architecture - RHI - Jan 16, 2020

The engine has a linker error when trying to inherit from TextureRenderTarget2D. This seems related to https://jira.it.epicgames.net/browse/UE-5050. Found in 4.24.1 CL#10757647 Reproduced in 4.23 ...

Digital Human Eyes Don't Look Correct With Ray Tracing Translucency Enabled

UE - Graphics Features - Lumen - Jan 27, 2020

The eyes in the Digital Human demo don't look correct with Ray Tracing Translucency enabled in the post process volume. Found in 4.24.1 CL#10757647 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#111 ...

Niagara Systems Don't Scale With Skeletal Meshes When Called From a Montage

UE - Niagara - Jan 2, 2020

When a Niagara System is called from a montage is doesn't scale with the skeletal mesh that uses the montage. Attached is an example project. Found in 4.24.1 CL#1077647 Reproduced in 4.23.1 CL# 9 ...

Animation Sharing Plugin Removes Mesh Collision

OLD - Anim - Jun 11, 2019

The referenced documentation does not state anywhere about collision being affected by animation sharing nor is the user expecting it to be affected. Even when the Collision Preset is overridden to ...

Unable to add/compile code for Automation Test

UE - Automation Test - May 22, 2017

When following the documentation on setting up automation tests, the sample provided for "Simple Tests" does not successfully compile. One of two compiles errors is given based on the TFlag used A ...

Apex Destruction - Destructible Mesh disappears after Fracture

UE - Simulation - Physics - Destruction - Jan 3, 2020

Fracturing a mesh with Apex Destruction in 4.24.1 (CL-10757647) causes the mesh to disappear after clicking Fracture. This behavior was not present in 4.23.1 (CL-9631420). Unable to confirm this in ...

SetActorEnableCollision does not affect Destructible meshes

UE - Simulation - Physics - Destruction - Jan 4, 2016

Setting the SetActorEnableCollision blueprint node to false does not disable collision for a destructible mesh. Workaround: Adding a static Mesh component and setting any mesh will cause the collis ...

[CrashReport] UE4Editor_Core!FStatsThreadState::ScanForAdvance() [statsdata.cpp:732]

UE - Foundation - Core - Aug 10, 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: Item.NameAndInfo ...

StopAtCurrentTime Node Sets Playback Position To 0.f In Level Sequence Actors

UE - Anim - Sequencer - Jan 20, 2020

Level Sequence actors have their current playback time to 0.f when using the StopAtCurrentTimeNode. In MovieSceneSequencePlayer.cpp line 288 TimeToResetTo is set to 0.f. Attached is a 4.24 example ...