Unreal Engine Issues

Can't undo blueprint/material movement done by arrow keys

When moving nodes in materials and blueprints using the undo option doesn't undo the movements made by the arrow keys. This issue affects anything that uses nodes on an event graph. ...

OnUrlChanged does not fire on mobile

When using On Url Changed event on mobile devices, the event does not appear to fire as expected. Tested on iphone 5 As a note: The function GetUrl appears to be similarly affected. ...

Error on Attempting to Save Map Containing Actor Sequence Component

colored text+Link to screencast of repro steps: + [Link Removed] -May take some clicking around even between windows -Will not save after this -Does not affect 4.16 ...

Cascade ParticleRelativeTime Outputs Constant 0 on Mobile

Cascade ParticleRelativeTime outputs constant 0 on mobile. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, 4.21 CL# 4321618 ...

Severe ghosting on animated objects when camera stops moving in sequences when using path tracer

Pixels seem to stop updating in the path tracer when a camera stops moving in sequence. Old color values from objects that have moved seem to still affect pixels they should not.  ...

Geometry Collection behavior does not change when changed by BP

Reproduced 6/6 times. This seems to affect all "Set" functions for Geometry Collection Components, such as Setting Object Type from Static to Dynamic, or changing Collision Type. ...

Crash upon opening Windows 64 bit development build with only DX10 RHI enabled

When packaging with only support for DirectX10 RHI, the editor will crash after hitting "OK" on the window that mentions that the Global Shader Cache file is missing. This was encountered while run ...

Custom animation node in game module fails to load in -game or packaged project

Not sure if this is an Animation or a Core issue, but a runtime Anim Node will not load properly with "-game" or in a packaged build. The developer that made this sample read this blog post: [Link ...

[Crash]-[Reimport] - Crash on reimporting CAD file with deleted light sources

Adding teleport node after AddMovementInput breaks jumping animation

Calling the teleport node after the Add Movement Input nodes affects movement by preventing the character's capsule from updating, causing the mesh to hit the top of the capsule during the jump anim ...