Rendering from the Movie Render Queue at runtime while using the current level will fail, even when the levels match

UE - Anim - Sequencer - Jul 22, 2021

When Use Current Level is true, the MRQ tries to validate that the maps are the same, but this will fail when the maps actually do match.  The Use Current Level flag should allow the render to cont ...

High Resolution Screenshot in Orthographic Unlit Mode Does not Capture Correctly

UE - Graphics Features - Jun 3, 2015

When taking a high res screenshot of an object in orthographic view in 'Unlit' mode, the object size in pixel is the same no matter the resolution multiplier. For instance if you set it to 10.0 th ...

Find Session does not always return the correct amount of sessions

UE - Networking - May 10, 2016

Find Session does not always return the correct amount of sessions when finding sessions at the same time. ...

AddToPlayerScreen not filling of player screen by widget.

UE - Editor - UI Systems - Jun 21, 2019

At screen resolutions other than 16: 9, widgets added with AddToPlayerScreen can not be completely filled. The final size calculated by GameLayerManager seems to be incomplete. ...

Can't fire custom event of event track when enabled auto scroll.

UE - Anim - Sequencer - Jan 28, 2020

If Auto Scroll is enabled, event track can't  trigger, so events may not fire. The frame numbers appear to be duplicated. Especially noticeable when the [View Range End Time] is small value (Working ...

InitSDL() failed error when launching onto Linux

UE - Platform - Linux - Jan 22, 2021

When launching onto Linux, the launch on fails Also tried launching on with QA-Promotion, still failed with same error, ruling out water ...

When creating an asset from an Emitter with a scratch module, changes to the new module will not propagate

UE - Niagara - Jun 21, 2021

A scratch module made in an emitter, will not reflect the changes of its new parent when an asset is crated from the emitter. ...

Root Bone Rotated Incorrectly in Default Animations

UE - Anim - Rigging - Sep 18, 2015

In the Mannequin's default third person animations, the root bone is rotated Z forward/Y down resulting in IK's for hands and feet not aligning correctly. The result being that the joints that are ...

[CrashReport] UE4Editor_Engine!UHierarchicalInstancedStaticMeshComponent::BuildTreeIfOutdated

UE - World Creation - Worldbuilding Tools - Foliage - Jun 8, 2017

This is a common crash occurring in the 4.16 release. It seems to be related to applying a material to a mesh that is being used in Foliage. Crash Reports are spread out among many different Crash ...

Use Mouse for Touch leads to fire Released and Clicked with Pressed at the same time for UMG Button

UE - Editor - UI Systems - Nov 23, 2018

Pressed, Released and Clicked should be fired in the same manner w/wo Use Mouse for Touch option. These three events are fired at the same time when enabling the option. [Image Removed] ...