Unreal Engine Issues
Unreal Engine Issues
EDL in 4.15 may not be fully safe and should be disabled by default
UE - Foundation - Core - UObject - Apr 4, 2017EDL may have some issues that are very hard to reproduce that's why we should disable it by default in 4.15.2. We will re-enable it in 4.16 ...
Edit shared defaults for multiple blueprints leads to Engine crash.
UE - Gameplay - Blueprint - Jun 20, 2017Changing any value in Edit shared defaults window with multiple blueprint assets leads to Engine crash. This is a regression from 4.16 ...
Ensure condition failed: !TagRedirects.Contains(OldTagName) Renaming Gameplay Tag twice
UE - Gameplay - Jul 6, 2017It appears the ensure only happens once. Cannot get the ensure to happen once Project Settings is closed. This also occurs in 4.16.2 so it is not a regression ...
Editor is missing the Quick Feedback Message Bubble
Tools - Jul 12, 2017The quick feedback message bubble is missing from the editor. It is also missing in asset editors as well This is a regression from 4.16.2 ...
Button for Swap Paint Color and Erase Color Disappeared.
Tools - Aug 2, 2017In 4,15, we can use button for swap paint Color and erase color. But, in 4.16 and 4.17, it disappeared ...
Custom event parameter set to 0 by default
UE - Gameplay - Blueprint - Aug 14, 2017Default parameters do not appear to be retained for custom events. This was tested in 4.17 and the issue does not occur in 4.16. Appears to be a regression ...
UStaticMeshComponent.PreviousLODLevel always returns 0
UE - Graphics Features - Aug 30, 2017The UStaticMeshComponent.PreviousLODLevel variable always returns 0 no matter what the last LOD actually was. Regression?: No This also occurred in 4.16 ...
Debug Console output remains on screen after closing VR Preview if "Debug in stereo layer' is enabled
UE - Platform - XR - Jan 23, 2018Affects VR Preview in Editor Reproduced in 4.18.3 CL 3832480 and 4.19 P1 CL 3837072 ...
Interaction between sublevels and LevelSequences can break actors attachments hierarchy of the sublevel.
UE - World Creation - Worldbuilding Tools - Aug 6, 2025Having a LevelSequence opened and unhiding a sublevel can break the attachment hierarchy of the actors that are inside the sublevel. This also affects to the sublevel asset itself. ...
Editor Crash after Compiling Primary DataAsset
UE - Gameplay - Blueprint Compiler - Feb 16, 2023After compiling a data asset blueprint, attempting to open the parent data asset will crash the editor. From licensee: This is because in FAssetEditorToolkit::InitAssetEditor() the objects in Objec ...