OSX editor fails to run on "older" hardware

at first, a "OpenGL Not Supported" message box appears and then the Editor instantly crashes after the "OK" button has been pressed. I tried again, but this time, passing in the "-opengl" flag. it ...

Allow Window Resize has no effect on Linux

UE - Platform - Linux - Jun 8, 2017

Checking the option for Allow Window Resize in Project Settings allows a the borders of a standalone window to be grabbed and used to resize the window. This does not behave the same on Linux and t ...

The result of the Attach target change operation using AttackTrack's ContextMenu varies depending on the flow

UE - Anim - Sequencer - Jul 6, 2018

At present AttackTrack's context menu has three patterns of Attach target change flowChange constraintBindingIDUse ExsitBindingUse NewBinding However, 1 and 3 can correctly change the target, but t ...

Editor Crashes When Attempting to Create/Open a Blueprint While 'Show Friendly Variable Names' is False

UE - Gameplay - Oct 12, 2018

When the 'Show Friendly Variable Names' option is set to false in Editor preferences, attempting to create (once you press 'Enter' to accept the new Blueprint name) or open a Blueprint causes the ed ...

Occasional crash when attempting to in-app purchase on Android device

UE - Online - Apr 21, 2021

App is frequently terminated with a NullPointerException when attempt to request in-app purchase. It is assumed that product information cannot be retrieved if there is no Google account logged in t ...

Crash with FBX Import as Skeletal Mesh

UE - Editor - Content Pipeline - Import and Export - Nov 22, 2016

Using the test asset provide the editor will crash when changing the import to Skeletal Mesh. This is a regression from 4.13 where this could be imported as Skeletal Mesh without issue. In 4.14 an ...

When Character BP actor is rotated, "Mesh" component translation differs on Client and Server

UE - Gameplay - Apr 21, 2015

Occurs in: Releases 4.7.6 CL:2510309 Main 4.8 CL:2513846 When Character BP actor is rotated, Translation is changed for "Mesh" component on Client. Server appears as expected. This isn't typicall ...

Recorded sequences create broken "Visibility" tracks instead of "Hidden in Game" Tracks

UE - Anim - Sequencer - Jun 19, 2017

Recorded sequences create "Visibility" tracks instead of "Hidden in Game" Tracks. "Visibility" tracks appear to be legacy tracks that you can't create anymore, but is still created by Sequence Reco ...

Post Process Material + Stereo Rendering = Left Eye Black

UE - Platform - XR - Dec 16, 2019

Left Eye Renders black in VR when a PostProcess Material is applied. On Quest Right eye renders post process mat and left eye renders scene, but upsidedown. Also occurs in Packaged Project and/or ...

Crash/ensure when linking anim layers from animation update

OLD - Anim - Mar 12, 2020

Originally reported here: https://udn.unrealengine.com/questions/562047/linked-layer-animation-blueprint-proxy-missing-ske.html When linking an anim layer during update, we get either an ensure or ...