UPaperGroupedSpriteComponent does not override handling for its multiple FBodyInstances

UE - Simulation - Physics - Jul 10, 2019

UPaperGroupedSpriteComponent does not properly update its physics data at runtime, due to relying on the inherited UPrimitiveComponent functions that do not handle its multiple FBodyInstances. ...

[CrashReport] UnrealEditor-AppFramework!SColorPicker::HandleParentWindowClosed(TSharedRef<SWindow,1> const &) [SColorPicker.cpp:1530]

UE - Editor - UI Systems - Sep 26, 2022

Generated from CrashReporter This is NOT a regression. Tested in //UE4/Release-4.27 at CL18319896 Tested in //UE5/Main at CL 22175708 - Issue did not occur ...

FRenderTarget::ReadPixels does not populate FColor array properly in packaged build

UE - Graphics Features - Nov 1, 2016

When the ReadPixels function is called, the FColor array that is passed in has its elements populated when in PIE and Standalone but array elements are empty in a packaged project. ...

GetDistanceAlongSplineAtSplinePoint becomes inaccurate as point approaches 0% or 100% of spline length

Tools - Sep 26, 2016

When the USplineComponent::GetDistanceAlongSplineAtSplinePoint() function is called, the value returned is not accurate if the point approaches the range of 0 - 10 % or 90-100% of the spline. ...

Packaging a project to HTML5 and opening the project disables mouse over events

UE - Platform - Mobile - Dec 24, 2015

Packaging a game to HTML5 disables the mouse and mouse over events on local host, which prevents any mouse functionality from working in a packaged project. ...

Using a user generated timeline in blueprint causes an exception in engine code.

UE - Gameplay - May 13, 2015

This crash is caused by an exception that is thrown due to the functions inside of a blueprint based off a user-defined class that is suppose to mimic Timelines. ...

Packaged project crash on open with GEngine & ConstructorHelpers

UE - Foundation - Core - UObject - Jun 28, 2017

When GEngine is used in a constructor before calling a ConstructorHelper function, the packaged game will crash on open with an assertion about recursion (see screenshot) ...

Arrays on multicast events called from the server are not passed to clients

UE - Networking - Jul 19, 2018

Arrays that are passed into a Multicast Event as an input are not available on clients who call the function Regression?: Yes This did not occur in 4.19.2 ...

Mesh Decals don't work with HISM of non-nanite meshes

UE - Rendering Architecture - Aug 10, 2021

The HISM on the right has 4 instances light the ISM on the left, but only one instance works with the mesh decal material.  [Image Removed] ...

Looping Gameplay Cues are not removed if GameplayCueNotifyTagCheckOnRemove is true

UE - Gameplay - Gameplay Ability System - Aug 24, 2023

GameplayCues inheriting from GameplayCueNotify_Actor no longer have their Removed functions called when removed via UAbilitySystemComponent::RemoveGameplayCue if GameplayCueNotifyTagCheckOnRemove is ...