Unreal Engine Issues
Unreal Engine Issues
Editor Crash with corrupted asset when opening within level or via the content browser.
Tools - Jan 5, 2017Editor will crash when a skeletal mesh has been added to a level and then reopening the project later if you try and access this level. If you attempt to open the skel meshes in the content browser ...
Blueprint compile error can occur when trying to override a BlueprintImplementableEvent that takes a custom enum as a parameter
UE - Gameplay - Blueprint - Mar 1, 2017When a BlueprintImplementableEvent that takes a custom enum as a parameter is overridden in a Blueprint, it will throw a compile error. The compile error states that the event cannot be overridden b ...
Actor Sequence Component Not Working While Playing in Standalone
UE - Anim - Sequencer - Jun 6, 2017When using an Actor Sequence Component in an actor blueprint, the sequence will not play in Standalone. In the test, a cube was used and was increasing its scale using the sequence. When playing in ...
SetOneWayInteraction functionality has no effect on the simulation
UE - Simulation - Physics - Nov 11, 2022Calling SetOneWayInteraction on a BodyInstance has no effect within the physics engine. The state of the flag is passed in to Chaos but nothing actually uses the value once it is there. It is expe ...
Anamorphic Squeeze Factor causes a blocky Depth of Field issue on AMD Hardware
UE - Graphics Features - Jul 30, 2025When using the Anamorphic Squeeze Factor on a camera on AMD RDNA3 and RDNA4 hardware, blocking artefacts may be seen depending on the extent of the blur. The peripheries of the viewport appear to be ...
[CrashReport] UE4Editor_OnlineSubsystemUtils!LastGetVoiceCallTime()
UE - Foundation - Core - Jul 19, 2017This is a common crash in the 4.16 release. Affected users have not provided additional information. Source Context 1795 // Some tasks can only be done once we finish all scenes/viewports ...
Reading LightAttenuationTexture Produces Unexpected Results With Forward Rendering
UE - Graphics Features - Jul 5, 2018The expected behavior occurs in 4.19; unexpected behavior occurs in 4.20 and 4.21. Marking this as a regression. Per User: Reading the LightAttenuationTexture in a material receives interference ...
OnObjectPropertyChanged Firing Excessively when FText is Bulk Edited
UE - Editor - Jun 28, 2023If multiple game objects are selected at once and their text field is edited, instead of getting N events, it produces N-squared events. It looks like FPropertyHandleBase::SetPerObjectValue is call ...
Run Command fails when launching code project onto Mac from the editor
UE - Platform - Apple - Apr 18, 2017This only affect Launching on code projects. Packaging code projects works fine.LogPlayLevel: Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.AutomationException: Unabl ...
Children of Retainer Box cannot be interacted with when visibility is set to "Self Hit Test Invisible"
UE - Editor - UI Systems - Jun 19, 2017When there is a Retainer box with the visibility set to "Self Hit Test Invisible" and has children, the children cannot be interacted with. Children such as a button cannot be clicked. This issue c ...