Particles can flicker at the end of first emitter loop when interpolated spawning is enabled

UE - Niagara - Jun 18, 2020

Particles flicker at the end of first emitter loop when interpolated spawning is enabled This issue does not occur if interpolated spawning is disabled. This issue does not occur for any of the su ...

When the Groom asset LOD switches from Strands to cards, hair rendering is stuttered

MetaHuman - Feb 3, 2024

It only happens when changing LOD from strands to cards.not in situations where changing LODs from cards to cards, cards to strands, strands to strands. The card meshes are not rendered immediately ...

A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE

UE - Graphics Features - Jan 22, 2015

A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE. Reproduced in Main (CL-2412886) Crash Report: [Link Removed] Call Stack:<unknown module>! UE ...

Crash when Simulating in Editor after Painting Foliage

UE - Editor - Workflow Systems - Nov 29, 2016

The engine crashes when simulating in the editor after painting foliage instances using the Foliage Tool. An important thing to note is that this crash does not occur if you switch out of the 'Foli ...

[CrashReport] PhysX3_x64!physx::PxsNphaseImplementationContext::unregisterContactManager() [pxsnphaseimplementationcontext.cpp:644]

UE - Simulation - Physics - Mar 6, 2017

This crash is occurring in a developer's packaged project for their end-users. End-user comments are below (unique to the specific project)The game started flickering and then crashed!I set down a ...

Widget blueprint details panel appears to jitter when dragging widgets in the designer tab

UE - Editor - UI Systems - Feb 1, 2019

When clicking and dragging a widget in the designer tab of a widget blueprint some options in the details panel will begin to move/shake/jitter/readjust. ...

Input Axis Mapped to 'Pinch' no longer sends Axis Value

UE - Platform - Mobile - Feb 15, 2019

Axis Event mapped to pinch no longer returns values. Working in 4.19 Confirmed on Android + iOS  Confirmed in MAIN 4.23 @ CL 4961509 ...

In Isometric Staggered and Hexagonal Staggered Projection Modes redundant rectangle is rendered

UE - Gameplay - Paper2D - Sep 25, 2020

About issue:Similarly issue also can be seen in Isometric Staggered projection modeSuch issue does not occurs in Orthogonal and Isometric Diamond projection modesIn viewport in UE4Editor this redund ...