Clearcoat shader disappears if any asset using the Material leaves lighting

UE - Graphics Features - Aug 19, 2015

Clearcoat Shader will stop receiving lighting information if any mesh assigned the material using the shader leaves lighting. Also Reproduced in Launcher 4.9 Preview 4, Main-CL-2660934 [Image Remo ...

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 ...

Variables can no longer be set as a DataTableRowHandle type

UE - Gameplay - Blueprint - Sep 14, 2015

Variables can no longer be set as a DataTableRowHandle type. The option is no longer available in the Variable Type dropdown. This is a regression: this was possible in 4.7.6. Reproduced in 4.8.3 b ...

Ensure and crash when using voice chat during seamless travel

UE - Online - Nov 10, 2022

If an instance starts seamlessly travelling while talking in the session's voice chat, the ensure in FScene::Release will be hit, often with the instance then crashing soon after (such as in FAudioD ...

AddDynamic() causing crash upon opening project

UE - Gameplay - Sep 4, 2015

Using the AddDynamic macro causes a crash upon opening the project. ...

Set Resolution Scale Value to 100 returns inf (infinite) value

UE - Graphics Features - Dec 5, 2016

Set Resolution Scale Value to 100 returns inf (infinate) value. The resolution returns an incredibly high number (ex: 9,223,372,036,854,775,808) or "inf" ...

Child Actor Component references are not sent to the Server through a Run on Server RPC

UE - Networking - Nov 9, 2015

Child Actor Component references are not sent to the Server through a Run on Server RPC. Test project attached. Reproduced in 4.9.2 binary and Main (CL# 2758903). ...

Calling RequestStimuliListenerUpdate on actor with one element in AIPerception Sensing Config causes crash

UE - AI - Sep 18, 2015

If an AIPerception component is added to an actor and given one element set to either AI Hearing / AI Sight / AI Touch config then the game will crash once Request Stimuli Listener Update is called ...

Ribbon Emitters Do Not Properly Kill Trails On Source Loss

UE - Graphics Features - Nov 18, 2016

"Dead Trail on source lost" doesn't seem to work consistently. This is apparent when the source emitter's duration is longer than the particles being emitted. This bug also occurs if there is vary ...