Unreal Engine Issues

Layer's preview weight does not have an affect on the Preview Material for Landscape Layer Blend nodes

Layer's preview weight does not have an affect on the Preview Material for Landscape Layer Blend nodes. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the preview window did g ...

Assertion failed: GEditor->GetSelectedActorCount() == 1 in FLevelEditorActionCallbacks::Paste_CanExecute

This is a high frequency crash occurring for our users. It appears to be the same crash reported in [Link Removed], however that was fixed in 4.15.0, and the specific repro steps are verified to no ...

Changing VectorParam channel names in Material Layer do not propagate to Material Instances

Alpha Textures reimported via overwriting disappear from level

When you reimport a texture that has an alpha by Importing and then overwriting the previous texture, all versions of that texture in any material or in the level complete disappear until you compil ...

Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask

Editor crashes while switching to paint mode if material has a grass output and landscape visibility mask. Frequency: 3/3 ...

Warnings appear when playing a Sequence while in PIE

While executing [Link Removed] Sequencer - Recording - Basics - Template – attempting to view a recorded sequence while in PIE triggers a set of warnings each time the play button was pressed. LogUO ...

ApplyLimits AnimGraph Node has incorrect functionality

In AnimNode_ApplyLimits.cpp the inputs for the ConstrainAngularRange function are going to the wrong rotator values. The XYZ of the node's input vec3 is being stored in YPR of the clamped rotator, w ...

Crashes occur when creating a static texture from a non-HDR Cube Render Target in DirectX12

While working with DirectX 12 in the project settings, the editor crashes by check() code when attempting to create a static texture from a non-HDR Cube Render Target asset. This crash doesn't occur ...

MSAA breaks post process material comparing Scene / Custom Depth

The expected behavior for the attached project is to highlight meshes / portions of meshes that are obstructed from view. When using MSAA, the entire mesh is highlighted rather than only the obstru ...

Screen space reflection flickering

Flickering is occuring when using a reflection material with screen space reflection enabled. Did not start occuring until 4.19 and beyond.  Tested in: 4.23.1 CL#9631420, 4.24 P3 CL#10283392, 4 ...