OnMovieClipFinished returns the incorrect movie name

Tools - Jun 29, 2017

When OnMovieClipFinished is called, it will return the name of the movie clip that is about to be played rather than the clip that had just finished. Regression: Yes This did not occur in 4.15.3 B ...

"+Create Binding" added to a "Text Block" makes the Text not visible in Standalone Game

UE - Editor - UI Systems - Sep 6, 2017

The visibility of the Text depends on the "+Create Binding" being added or not added. Now, If we go into our Widget Blueprint Designer > over in the Details panel under Content > Select "Bind" and ' ...

When using Blueprint Update Camera, New Camera FOV is taken into effect even if Return Value is false

UE - Gameplay - Oct 30, 2017

In a Player Camera Manager Blueprint, when overriding the function BlueprintUpdateCamera, the New Camera FOV value takes effect regardless of whether Return Value is True or False. The New Camera Lo ...

Instanced Properties create temporary references on child objects in Blueprints

UE - Gameplay - Blueprint - Nov 29, 2017

When an object whose class has the EditInlineNew specifier is added to an instanced property, any children of the blueprint will have a reference to the same object that was created for the instance ...

Vector Parameter Values do not show values with material instances

UE - Graphics Features - Jan 22, 2018

There is an issue where Vector Parameter Values do not show values with material instances. There is a workaround to get the parameter to appear as intended but setting the specific parameters using ...

Cameras rotate incorrectly in Sequencer when using Key All and Auto-Key options

UE - Anim - Sequencer - Dec 14, 2018

Sequencer is having issues handling a camera rotation going past -180 or 180 degrees with multiple keyframes when Key All and Auto-Key options are enabled. This results in unwanted 180 degree flip w ...

Wrong IDE loads when Visual Studio 2019 is selected

UE - Foundation - Cpp Tools - May 22, 2019

Visual Studio 2019 does not load even when it is selected as the chosen IDE. Instead the editor loads Visual Studio 2017. If you create a new C++ class after switching the IDE and restarting the Edi ...

Landscape has a seam when scale is set to a decimal

UE - Graphics Tools - Terrain - Landscape - Jan 13, 2023

Regression: Tested in UE5/Release-5.0 at CL 20979098, this issue does occur so it is not a regression. This issue occurs if the scale set for the landscape has a decimal value that is not 0.5. Sett ...

Substrate Unlit editor view mode renders black with Blendable GBuffer

UE - Rendering - Features - Shading Models - Mar 18, 2026

When using Substrate materials with SUBSTRATE_GBUFFER_FORMAT==0 (Blendable GBuffer), the Unlit editor view mode renders completely black. TopLayerData.UnlitViewBaseColor is never populated in the bl ...

Notifies placed on the first frame of a montage using root motion don't fire

UE - Runtime - Animation - Aug 10, 2026

This is a regression in 5.8 caused by 47265321. It's because we now perform the montage update and dispatch the queued notifies via CharacterMovementComponent::TickCharacterPose.  But that all hap ...