Frustum Culled Landscape Components Not Casting Shadows

UE - Graphics Features - Mar 5, 2019

Frustum culled landscape components stop casting shadows resulting in the shadows disappearing near the edges of the camera in square sections. Unable to test in 4.20 or 4.21 as provided project wa ...

Landscape Far Shadows Interfere With Distance Field Soft Shadows

UE - Graphics Features - Mar 5, 2019

Landscape far shadows are interfering with the distance field soft shadows causing a conflict, and stopping the distance field soft shadows from rendering at all. Working as expected in 4.20 CL# 43 ...

Actor to Track gets broken on Sequence saving when a keyframe is added

UE - Anim - Sequencer - Apr 2, 2019

When using Actor to Lookat and adding a keyframe to the track, the references are lost to the selected Actor when saving the Sequence. This prevents the Sequence from being saved and generates a few ...

Massive FPS drops in editor when moving mouse over menu items on Linux

UE - Platform - Linux - Apr 22, 2019

Navigating various dropdown menus in the Editor causes the FPS to drop down to around 25 or 10 in the Viewport on an empty project. This does not reproduce on Windows with -vulkan This issues was ...

Cannot set auto success range to an invalid value in the AIPerception component

UE - AI - May 3, 2019

When modifying the value of "Auto Success Range from Last Seen Location" to a value that is not it's default, you can not set it back to its default -1 one value. This was reported and tested in 4 ...

Child Blueprint components become broken in sequencer when "Run Construction Script in Sequencer" is checked

UE - Anim - Sequencer - Oct 15, 2019

When enabling "Run Construction Script in Sequencer" on a Blueprint Child Actor and having "Rerun Construction Scripts" turned on in Sequencer, the Child BP's properties become inaccessible in Seque ...

Widget Components Add Thin Black Outlines to Images

UE - Editor - UI Systems - Dec 13, 2019

When a slate element that uses a png with a transparency the edges have a black outline. When the Widget3DPassThrough material is applied to the widget the effect is lessened, but is the outline sti ...

When importing Destructible Mesh chunks, the imported chunks are larger than the Mesh

UE - Simulation - Physics - Destruction - Mar 6, 2020

The Imported Destructible Mesh chucks are not to scale when compared the original mesh and appear much larger. This was reported and tested in 4.23.1 (CL-9631420). This was reproduced in 4.24.3 (CL ...

Blueprint Editor Show Grid does not toggle the grid in the viewport

UE - Editor - Workflow Systems - Oct 28, 2020

The grid in the blueprint editor is not able to be hidden via the Show Grid flag in the viewport dropdown. This has regressed sometime in //Ue4/Release-4.25 as I cannot reproduce this issue in //UE4 ...

Crash in FLandscapeRenderSystem on Mobile

UE - LD & Modeling - Terrain - Landscape - Aug 4, 2021

Similar issues have already been reported here for iOS [https://udn.unrealengine.com/s/question/0D52L00004vJelTSAS/crash-ios-in-flandscaperendersystemcomputesectionperviewparameters] and here [https ...