LookAt AimOffset Animation node does not interpolate with it's Blendspace

UE - Anim - Runtime - Oct 29, 2018

The "LookAt AimOffset" animation node does not recognize the interpolation setting on its assigned Blendspace. This causes the animation to snap to positions instead of smoothly rotating to them. ...

Adding an entry to arrays within Details Panels automatically collapses expanded entries

UE - Rendering Architecture - Materials - Apr 3, 2019

Adding an element to an array in the Material Editor automatically collapses all expanded elements in the array. I've successfully reproduced this issue with the following nodes:LandscapeGrassOutput ...

Input isn't recognized for Shift+F, or just the F key when the Shift key is also pressed down

UE - Gameplay - Input - Nov 23, 2021

This is a regression Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Did not reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced //UE5/Release-5.0-EarlyAccess CL16682836 Binary - Repr ...

Editor crashes when assigning Landscape layer info while Forward Shading is enabled

UE - LD & Modeling - Terrain - Landscape - Nov 7, 2017

Crash occurs when Forward Shading is enabled in Forward Rendering Options User noted that if "Support Stationary Skylight" in Project Settings > Rendering > Shader Permutation Reduction is disabled ...

Crash when BP_LightStage SkyLight Cubemap Resolution changed by spinning value

UE - Graphics Features - Nov 28, 2017

Engine crashes when the value in the Cubemap Resolution for the SkyLight component in the BP_LightStage is changed by spinning the value. This asset is found within the Advanced_Lighting map of a B ...

Textures That Are Not Visible in Viewport Use Low Res Mip During Play in Selected Viewport

UE - Graphics Features - Jun 26, 2018

I am unable to test the User-provided sample project in any engine version other than 4.19.2.  Per User who reported issue: Mips for textures that are not visible in the viewport but get showed du ...

Hot reload fails after adding a Static Mesh Component to a new Actor code class in a project that was originally Blueprint-only

UE - Foundation - Cpp Tools - Hot Reload - Oct 25, 2018

Starting a hot reload by clicking the Compile button in the Editor fails after adding a Static Mesh Component to an Actor code class. This only occurs in the binary version of the Engine, and only i ...

Simulated physics bodies not working properly with BP Move Component To node

UE - Simulation - Physics - Jun 5, 2015

This issue may reference [Link Removed] which was recently fixed with 4.9 CL-2553675. When using the MoveComponentTo node physics do not work properly compared to other methods to move a component ...

Crashes Caused by Deinitialization of Variables with Specific Names

UE - Gameplay - Components - Jun 14, 2018

I was able to repro the crash in 4.19. Unable to open sample project in 4.20 or 4.21. Per Licensee: While porting one of our classes from using UMaterialBillboardComponent to a hand rolled Billboar ...

LIVE: Editor crashes when attempting to use erosion tool on landscape (4.6 preview)

UE - LD & Modeling - Terrain - Landscape - Nov 17, 2014

The editor crashes while attempting to use the erosion tool on a landscape in editor. Frequency: 2/2 Callstack: <unknown module>! KERNELBASE!RaiseException() <unknown module>! UE4Editor_Core!FO ...