It is possible to get large Aspect Ratio values when using an Ultra-wide monitor on Linux

UE - Platform - Linux - Jul 22, 2019

Attempting to use the Editor with a 32:9 Ultrawide monitor (5120x1440) causes the ratio sizes to be multiplied by 868.000000. ...

Actor Component gets displayed above Scene Component when making a new root

UE - Gameplay - Components - May 10, 2019

Making a scene component the new root component results in the actor component being displayed above the scene component hierarchy ...

Config entries to re-open asset windows are deleted if the Editor is shut down while a debugger is attached

Tools - Apr 17, 2019

When the "Restore Open Asset Tabs on Restart" option is turned on in the Editor Preferences window, closing the Editor while a debugger is attached appears to remove any saved asset tabs from the Ed ...

"Reimport with New Source" fails on Mac

UE - Anim - Runtime - Jan 22, 2019

'Reimport with new source' command does not work on Mac. Confirmed in 4.22 @ CL 4771381 ...

Duplicating an Instanced UProperty Component copies a reference, instead of a "deep copy"

UE - Gameplay - Jan 21, 2019

Duplicating a UActorComponent that has an Instanced UPROPERTY does not perform a deep copy of the instanced property. It appears to only copy a reference to the instanced object. Where as, performin ...

Delay when attempting to input Korean characters using an IME with certain types of text boxes

UE - Editor - UI Systems - Localization - Nov 8, 2018

A user has reported that inputting Korean into certain types of text boxes in the editor using an IME results in delayed input. The user reports that this occurs with SMultiLineEditableTextBox in th ...

Level blueprint is being executed twice at start of PIE

UE - Gameplay - Blueprint - Aug 15, 2018

Level blueprint is being executed twice at start of PIE So far I have only seen this behavior with the Print String node when wired to Event Begin Play or Event Tick.  I have been unable to reprod ...

Cannot build a project containing a UFUNCTION that takes a pointer to a deprecated component as a parameter

UE - Foundation - Core - Jul 18, 2018

If a UFUNCTION takes a pointer to a component as a parameter, the project cannot be built if the component's class is marked as deprecated. The error message that is provided states that the propert ...

[CrashReport] UE4Editor_Core!FArchive::SerializeCompressed() [archive.cpp:696]

UE - Foundation - Core - Jun 12, 2018

No user comments in crash group 686 // Iterate over all chunks, serialize them into memory and decompress them directly into the destination pointer 687 for( int64 ChunkIndex=0; ...

Animation Blueprint Preview Window Does Not Display the Effects of the Anim Dynamics Node

UE - Anim - Runtime - Anim Blueprints - May 29, 2018

Animation Blueprint preview window does not update to displays the effects of the Anim Dynamics node. Preview updates fine in the asset's Blueprint and PIE. Still occurs when turning on "Enable L ...