Grass does not show up when I override the Material of LandscapeComponent.

UE - Graphics Tools - Terrain - Landscape - Sep 8, 2021

Regression checked in //UE4/Release-4.26.2 CL 15973114 the issue is not reproduced thee ...

Pawn Blueprint cannot have variables default value set in Engine ini

UE - Gameplay - Blueprint - Jun 1, 2017

When using a pawn blueprint, you cannot modify the value of a variable in the config files. This issue does not affect other kinds of blueprints, as this issue does not affect actor blueprints. Re ...

Curve Editor in CameraAnim and Matinee does not display anything in UE4.22

Tools - May 22, 2019

The Curve Editor appears black and doesn't show any information or data. This is a regression from 4.21.2 (CL-4753647) where the Curve Editor functioned as expected. This was reported and tested in ...

Async Tick error on Particle System

UE - Niagara - Jun 4, 2019

Whenever adding a Beam Data module along with Beam Source and Target, the Cascade editor produces an "NO ASYNC TICK" error. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6547378), 4.23 (CL - 682596 ...

Animated characters may appear in A pose after loading a file with Path Tracer enabled

TM - Rendering - Mar 12, 2025

When saving a file with Path Tracer enabled at the time of save, animated characters will appear in an A pose state. This will persist until Path Tracer is disabled. Occurs in Twinmotion 2024.1.2 a ...

Cannot click send in CrashReportClient on Mac

UE - Foundation - Core - CrashReportClient - Oct 24, 2016

The CrashReportClient does not allow the send buttons to be clicked on a Mac. The client works fine on Windows. This works in 4.13.2. Works in: 4.13.2 - 3167898 Broken in: 4.14.0 - 3171634 WORKA ...

Rotation popping when attaching the negatively scaled hand mesh of a motion controller the child of a box collision component (left hand)

UE - Platform - XR - Mar 7, 2017

The left hand in the VR template appears to pop as it rotates when assigning the mesh for the motion controller a parent that is a box collision component. This does not appear to affect the right h ...

Clicking on object causes EndInputTouch to fire on the press instead of the release

UE - Editor - UI Systems - Slate - Sep 18, 2018

When clicking on an object EndInputTouch sometimes fires on the press instead of the release. This was not an issue in 4.19.2 (CL-4033788) and is a regression. However the functionality doesn't appe ...

Crash when enabling r.HairStrands.Visibility.PPLL

UE - Graphics Features - Mar 10, 2022

Licensee reports no crashes in EA2. It crashes in Preview 2. The project is uploaded in a BOX due to its large file size. [Link Removed] ...

[CrashReport] UE4Editor-Kismet.dylib!FTabInfo::OnMouseDownHisory(FGeometry const&, FPointerEvent const&, TWeakPtr<SMenuAnchor,()

UE - Platform - Apple - Jul 20, 2017

This is a common crash affecting Mac users in 4.16. It has occurred since at least 4.13 ...