Character Jump Height is dependent on framerate

UE - Gameplay - Player Movement - Jul 17, 2020

Character jump height is dependent on framerate, where lower framerate can result in reduced jump height. ...

VCamMultiUser is missing VCAMCORE_API on structs

UE - Virtual Production - Tools - Virtual Camera - Mar 17, 2023

Salesforce link [Link Removed] ...

Asset referencing error on a Python Pipeline Asset

UE - Editor - Content Pipeline - Import and Export - Sep 18, 2023

[Image Removed] ...

Shadow map z-fighting when using Overlay material

UE - Platform - Mobile - Jan 8, 2024

Using a Shading Model node set to Unlit results in an invalid material with FromExpression domain

UE - Rendering Architecture - Materials - Feb 29, 2024

Create a materialSet its domain to From ExpressionRecreate the node graph as in the screenshot Note that the preview sphere is black. ...

Instanced Static Meshes ignore max World Position Offset Displacement for bounds after UpdateInstanceTransform is called

UE - Graphics Features - Jun 18, 2025

When an Instanced Static Mesh Component (ISMC) uses a material with a non-zero Max World Position Offset Displacement, the bounds are correctly expanded at initialization. However, after calling Upd ...

Crash from FGameplayDebugger when pressing PIE after Dragging PlayerController to Empty Player Component

UE - AI - Jun 16, 2015

A crash occurs after dragging an 'Empty Character' actor into the viewport and attempting to add the 'PuzzlePlayerController' as a component by dragging it into the components list via the 'Details' ...

PhysX Crash when spawning Instanced Static Mesh actors at Runtime

UE - Simulation - Physics - Destruction - Oct 13, 2015

Bug generated from crash reporter. This crash has been found in 4.7.6 and still occurs in 4.8.3 and 4.9.2 to users. One user in particular still, and he experiences it often. I have not been able ...

MOBILE PACKAGING WIZARD cannot locate maps if the project is placed in the default path.

Tools - Sep 29, 2016

MOBILE PACKAGING WIZARD cannot find maps when the project's path is located in the default path (C:\Users\User.Account\Documents\Unreal Projects) ...

Startup Movies Fail to Play when Audio Devices are Disabled

Tools - Feb 1, 2016

If a user launches a project in Standalone mode and has a Startup movie while the audio devices on the computer are disabled, the movie will fail to play. As soon as you re-enable an audio device, ...