Alembic Files Import With Blocky UVs

UE - Editor - Content Pipeline - Import and Export - Dec 6, 2019

Alembic files imported come in with blocky UVs. Attached is a zip with the files and pictures that show the issue. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10387632, 4.25 Main CL# ...

Visual inconsistencies when zooming in/out in the designer tab

UE - Editor - UI Systems - Jun 9, 2017

Visual inconsistencies when zooming in/out in the designer tab. In the example provided. There is a vertical box containing sever images with a top padding of 1. When zooming in and out of the graph ...

Ambient Occlusion decals ignore Receive Decals setting on meshes

UE - Graphics Features - Feb 13, 2020

Adding an ambient occlusion decal material to a decal affects objects with "Receives Decal" disabled. Tested in: 4.23.1 CL#9631420 4.25 CL#11341939 ...

Collision on rolling ball template floor incorrectly affects player character

Docs - Samples - May 27, 2015

In the rolling ball template, the new floor meshes cause the player character to jump when the player has not pressed any jump commands. It occurs more often if the players movement has been increas ...

Listen Server Without Microphone Will Drop Clients with Microphone if Voice is Enabled

UE - Networking - Mar 28, 2017

Listen servers that do not have a microphone hooked up are dropping clients that do have microphones when the client attempts to transmit voice. The log contains the following errors: [2017.03.28- ...

Array index out of range with StopTree

UE - AI - Mar 26, 2019

Crashes when exiting PIE while executing multiple async tasks. By explicitly executing EndTask and FinishAbort of RecieveAbort, this caused by performing out-of-range in array access to InstanceStac ...

Surface Material's AO will show through a Decal when static lighting is disabled

UE - Rendering Architecture - Materials - May 31, 2023

A surface's Ambient Occlusion will appear through a decal when static lighting is disabled in project settings. Regression tested against //UE5/Release-5.0 CL 20979098 //UE5/Release-5.1 CL 23901901 ...

SetCollisionProfileName and SetCollisionEnabled aren't working in Construction Script

UE - Simulation - Physics - Dec 5, 2019

This is a regression from 4.22.3 (CL-7053642) where this setup executed as expected. Toggling Collision Profiles in 4.23.1 (CL-9631420) and onward do not affect the Static Mesh and it acts as if it ...

Adjusting slider in Blend Space Animation causes editor to Crash

OLD - Anim - Oct 28, 2014

UPDATE: Date: 2/5/2015 Likely an instance of the same crash: [Link Removed] CrashReporter Bugg (Crash List): [Link Removed] When updating a project from UE4.4.3 to UE4.5.1 editor crashes when adju ...

Unable to Expand the Class Dialog Menu on Mac when Creating New Blueprint Class

UE - Platform - Apple - Apr 24, 2015

Unable to reproduce internally. The user is unable to expand the class dialog menu when creating a new blueprint class on his Mac. He provides a video showing the issue he is experiencing in 4.7.5 ...