No visual updates when adjusting the curve editor in UMG for the first two points on the timeline

UE - Editor - UI Systems - Jul 6, 2015

When Switching the curve editor to cubic interpolations for example moving the blue handles will not change the curve. However, if a third point is add this function works as intended from the 2 poi ...

Non wrapped UVs in static mesh cause incorrect UVs on (HLOD) merged static mesh

UE - World Creation - Worldbuilding Tools - HLOD - Apr 27, 2016

HLOD seems to Generate Lightmap in the wrong UV Channel. Export a specific LOD and generating Light Map UVs, it seems like the lightmap UVs are always generating in the the channel 0, messing up th ...

Using the output from FindAllPakFiles to call StreamableManager::RequestAsyncLoad causes a crash

UE - Foundation - Core - Apr 22, 2016

A user has reported a problem where the directory that is output from FindAllPakFiles is not compatible with the StreamableManager::RequestAsyncLoad function and will cause a crash if using the two ...

Calling FAudioDevice::StopAllSounds from UEngine::CommitMapChange asserts

UE - Audio - Jan 5, 2017

Per https://udn.unrealengine.com/questions/329261/stopallsounds-fails-check-with-level-streaming.html The audio threading work missed a case where an audio thread only function was being called fro ...

Axis Mapping event names do not update when changed in project settings

UE - Gameplay - Blueprint - Mar 13, 2017

Axis Mapping event names do not update when changed in project settings. This can cause axis events to no longer function as expected and then need to be replaced with another event after the name h ...

Error when using "For Each Selected Actor" in a blutility that was derived from Global Editor Utility Base in C++

Tools - Apr 22, 2019

Error when using "For Each Selected Actor" in a blutility that was derived from Global Editor Utility Base in C++ Error Message: "LogBlueprint: Error: Cannot use the editor function "ForEachSelecte ...

Spawned Actors do not appear in World Outliner

Tools - May 11, 2019

Spawning actors from a Blueprint via the SpawnActorFromClass function at runtime does not cause the World Outliner to update. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 64 ...

Draw to Render Target Android Regression

UE - Graphics Features - May 15, 2019

Regression in Draw Material to Render Target functionality. Enabling Mobile HDR is a workaround. Android tested with Note 4 Unable to verify Main CL 6395234 (Crash on Phone) No repro on iOS mo ...

AspectRatioAxisConstraint forced to be AspectRatio_MaintainXFOV

UE - Anim - Sequencer - Jun 19, 2019

A licensee wants to enforce YFov constraint for a game project by setting AspectRatioAxisConstraint=AspectRatio_MaintainYFOV in the config. However during playing the sequence, the value of AspectR ...

Content Examples: Parallax Occlusion Map Feature no longer rendering self-shadows

UE - Graphics Features - Mar 2, 2020

Parallax Occlusion Map Feature fails to render self-shadows as of the release of Unreal Engine v4.24.0 and has not been remedied since. The feature is perfectly functional in v4.23 [See attachments ...