Blueprint viewport doesn't show the camera preview.

Tools - Feb 3, 2015

Blueprint viewport doesn't show the camera preview. ...

Disabling "Should Be Visible" On a Streaming Level Resets Variable Values

UE - Gameplay - Jan 6, 2017

When disabling "Should be Visible" of a stream level and then enabling it again, the values of variables in a Blueprint that has been placed in a stream level maintain their value in PIE but reset t ...

SequencerActor tag getting added multiple times to a spawnable actor

UE - Anim - Sequencer - Jan 16, 2017

A Spawnable actor gets "SequencerActor" tag on spawn, but this tag addition does not seem to check already assigned tag(s). So the actor can receive SequencerActor tags multiple times. ...

The import option for Remove Degenerates will disable material collision checkbox

UE - Editor - Content Pipeline - Import and Export - Jan 17, 2017

When you disable the import option for Remove Degenerates the checkbox under the materials for "Enable Collision" will be disabled. This only matters if per-poly collision is being used for the mesh ...

Shadows of small movable components popping out

UE - Graphics Features - Jan 19, 2017

This must be a regression ...

Changing ColorAndOpacity in Text using AutoKey do not create new keyframe.

UE - Anim - Sequencer - Feb 7, 2017

This is not reproduced in Shadow Color section. Since ShadowColorAndOpacity is FLenearColor and ColorAndOpacity is FSlateColor, this prevents adding new keys in ColorPropertyTrackEditor.cpp FColo ...

Calling LoadLevelInstance on a Client causes the Client to be kicked from the server

UE - Networking - Apr 6, 2017

A licensee has reported an issue where using LoadLevelInstance on a client causes the client to become disconnected from the server. This happens with both Hosted servers and Dedicated servers. Reg ...

The CanLaunchURL() function does not do what it seems to imply that it does

UE - Foundation - Core - Jan 15, 2018

The CanLaunchURL() function seems like it would check the provided URL to make sure it is valid. The comment for the function in GenericPlatformProcess.h appears to imply that this is what the funct ...

Blueprint EventDispatchers unable to be reordered

UE - Gameplay - Blueprint Editor - Feb 15, 2018

UI appears to support EventDispatcher reordering, however reordering does not occur. ...

Memory Leak when Debugging Blueprint

UE - Rendering Architecture - RHI - May 2, 2018

RAM usage continually increases when debugger is active https://answers.unrealengine.com/questions/784443/ue-4191-memory-leak-while-using-blueprint-debugger.html ...