Unreal Engine Issues
Unreal Engine Issues
GearVR projects rendering black
UE - Platform - XR - Jan 16, 2017Packaged GearVR projects are rendering black except for the Movement Widgets. This was reproduced with two machines on two separate devices. This is a regression from CL 3244548 ...
Can not export sequencer from command line when use Movie Render Queue
UE - Anim - Sequencer - Feb 5, 2021Save Content Window does not open with Control Rig assets
UE - Anim - Rigging - Control Rig - Jun 14, 2021Closing the Engine while having a dirty Control Rig assset/Window open does not open the save content window and prevents the engine from closing. This issue is occurring in //UE5/Release-5.0-Ear ...
Returning the value of a Transform as a String has a missing colon after Scale
UE - Gameplay - Sep 26, 2022This is NOT a regression. Tested In //UE4/Release-4.27 at CL18319896 Printing an actor's transform as a string returns transform and rotation with a colon, but returns scale without. ...
Modifying Override Parameters on NiagaraActor blueprints created from a System Actor does not work
UE - Niagara - Cinematics - Aug 5, 2020Modifying Override Parameters on NiagaraActor blueprints created from a System Actor does not work The System component appears to only use the default value set in the System. This issue does no ...
GAS: Creating an UGameplayEffectUIData blueprint will lead to a failed Data Validation
UE - Gameplay - Gameplay Ability System - Aug 16, 2024The logic for data validation on UGameplayEffectComponent expects it to be owned by a UGameplayEffect. Any Blueprint derived from UGameplayEffectUIData (child of UGameplayEffectComponent) fails this ...
A 5.5 level that contains a Text3DComponent in a BP crashes the engine when opened in 5.6 (and up)
UE - Virtual Production - Sep 11, 2025A 5.5 level that contains a Text3DComponent in a BP crashes the engine when opened in 5.6 (and up). The licensee has provided his analysis: Description: Level instance created in UE5.5 and re-saved ...
ScreenshotCapturedDelegate is never called in HDR
UE - Platform - Console - Nov 21, 2025In UGameViewportClient::ProcessScreenShots, when bHdrEnabled is true, the Bitmap array is never filled (the capture code uses BitmapHDR), so ScreenshotCapturedDelegate is never called for any custom ...
The "Convert Selected Components to Blueprint Class" causes assets to disappear if the assets had previously been converted to blueprints
UE - Gameplay - Blueprint - Aug 12, 2015When using the "Convert Selected Components to Blueprint Class" feature on an object that has already been converted into a blueprint class the assets then disappear. ...
Crash from 2D Ledge with Custom event
UE - Gameplay - Blueprint - Feb 21, 2017Crash from 2D Ledge with Custom event this occurs when the character overlaps with a material that is referenced via a custom event ...