LandscapeComponent generates incorrect OccluderVertices for software occlusion

UE - LD & Modeling - Terrain - Landscape - Sep 17, 2019

OccluderVertices didn't consider the subsection's transition, so the position of the OcclusderVertices are not correct. I made a fix as follows: [Image Removed] [Image Removed] ...

Volumetric fog rendering gets cut off at the apex for some spot lights when viewed from certain angles

UE - Rendering Architecture - Apr 19, 2023

Fix is found in licensee’s pull request:https://github.com/EpicGames/UnrealEngine/pull/10333/files ...

GameplayTagContainers can cause a crash in packaged builds when Event Driven Loading is enabled

UE - Gameplay - Dec 15, 2017

A user has reported that using a GameplayTagContainer can cause a packaged build to crash when EDL is enabled in certain cases. In this case, if the base C++ class that includes this GameplayTagCont ...

Enabling Merge GC Clusters and Blueprint Clustering causes a packaged Window project to crash

UE - Foundation - Core - Cooker - Jan 3, 2019

Enabling the check boxes for Merge GC Clusters and Blueprint Clustering causes packaged Windows projects to crash on startup. The log and dump files regarding this crash have been attached to this t ...

GameCenter does not login on Match3 startup on iOS

UE - Platform - Mobile - Aug 23, 2016

When launching on or opening a packaged UnrealMatch3 project GameCenter does not login for the paired account. This causes Leaderboards and Achievements to appear blank. Tested on iPhone6s_6240 OS: ...

Crash when playing a HapticFeedbackEffect_Soundwave

UE - Platform - XR - Aug 30, 2016

Array is -1 indexed, causing a crash. Fix is already in Dev-VR. Integrate to 4.13.1 (CL 3106922) ...

Using the Clean command in XCode prevents the editor from opening

UE - Platform - Apple - Nov 18, 2015

In XCode, if the Product->Clean option is used, the editor from the launcher will not open. Workaround: This can be fixed by running Verify from the Launcher. ...

Button for Swap Paint Color and Erase Color Disappeared.

Tools - Aug 2, 2017

In 4,15, we can use button for swap paint Color and erase color. But, in 4.16 and 4.17, it disappeared ...

Renaming a Blueprint variable loses override in grandchild Blueprint

UE - Gameplay - Blueprint Compiler - Nov 26, 2019

Renaming a Blueprint variable loses override in grandchild Blueprint. Modifying and saving the BP_Child fixes the issue with BP_Grandchild losing overrides.  ...

Stationary directional light per-object shadows not working with origin rebasing

UE - Graphics Features - Dec 2, 2019

Not 100% clear if this is a bug or expected behaviour, but raising it as it needs looking it. Can't see it as fixed elsewhere. Confirmed broken in 4.24 too. ...