Mouse cursor will not change unless a mouse button is being held down.

Tools - Dec 5, 2014

Changing the mouse cursor depending on what it is currently over only happens if a mouse button is also being held down. This worked normally in version 4.5.1 WORKAROUND: In UGameViewportClient::Ge ...

Randomize Without Replacement resets to WithReplacement on Sound Cue Loop

UE - Audio - Dec 8, 2022

Reproduced 7/10 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

nDisplay - UMG widgets sync

UE - Virtual Production - nDisplay - Nov 9, 2019

As soon as the widget was visible on the node/display at least once all nodes/displays receive the button press and correctly increase the counter. Therefore it seems like the widgets are only initi ...

'Platform Stats' incorrectly display the number of Texture Calls for a material

UE - Rendering Architecture - Materials - Jul 29, 2024

When the DBuffer is disabled in the project settings, the Material Editor Stat page will still display the estimated texture lookups for the DBuffer. It appears that the code that adds these estimat ...

Engine Crashing with AMD R9 2 and 3 Series Cards

UE - Graphics Features - Sep 23, 2015

Multiple users are reporting crashes in the Engine when using an AMD R9 380 and 390 series cards. There was a request to have these cards added to compat lab for testing, but have not heard any upd ...

Linked Anim Graph With Mesh With Post Process BP Has Faster Animation Playrate

OLD - Anim - Jan 20, 2020

When an animation blueprint is using the "Linked Anim Graph" node and it's skeletal mesh has a post process animation blueprint the animation is played at the wrong playrate. Linked Anim Graphs wer ...

ScreenAlignedUV doesn't work correctly on some mobile devices chipsets

UE - Platform - Mobile - Nov 21, 2016

Using ScreensAlignedUVs material node on some devices does not render correctly at farther distances. Devices tested with: Working: iOS 5s and Pro Working: S7 Edge - SM-g935P Working: LG G4S - ...

Anisotropy not working correctly when used in Material Layers

UE - Rendering Architecture - Materials - Jan 17, 2024

1. When a Material Layer is applied and there is no node connected to Anisotropy in the master material(M_Test_1), the material does not function correctly after packaging, although it works properl ...

Adjusting transform of a mesh with LODs causes LODs to flicker

UE - World Creation - Worldbuilding Tools - Foliage - Jun 3, 2015

If a hierarchical instanced static mesh has LODs and is scaled in a blueprint, the mesh will rapidly switch between LODs, causing a flickering effect. Note: This only seems to occur if the camera ...

Unable to Save or Close Editor after Copying .FBX to Content Folder via Project Directory

Tools - Jul 5, 2017

The editor is not allowing users to save or close a project after an .FBX file has been copied to the project's Content directory and allowing the Content Browser to discover the change in source fi ...