Unreal Engine Issues
Unreal Engine Issues
Gameplay Debugger Won't Open When Using US International Keyboard Settings
UE - Gameplay - Input - Nov 23, 2015Using a keyboard with US International settings prevents the gameplay debugger from being opened when using the apostrophe key. Potentially a similar issue to [Link Removed]. Found in 4.10 binary. ...
NavLink component does not account for the cost of the path set by AreaClass
UE - AI - Sep 6, 2018In the test case, the NavLink component has a navigation cost of 1000000000. When the AI navigates to the NavLink the printed cost is only 2677. It is believed that the AreaClass isn't being taken i ...
Data validation FAILED due to IWBE_Blutility containing invalid data
UE - Content - Engine - Jan 11, 20214.26[AssetLog] D:\Binary\UE_4.26\Engine\Content\Tutorial\InWorldBlueprintEditing\TutorialAssets\IWBE_Blutility.uasset: Default__IWBE_Blutility_C is not valid. See the MapCheck log messages for detai ...
Newly Created Landscape using Material with Displacement and Tessellation Flickers
UE - LD & Modeling - Terrain - Landscape - Apr 8, 2016Upon creating a new landscape that uses a material with displacement and tessellation, the landscape and its respective components will flicker. The flickering can be removed when you begin sculptin ...
The tooltip of a UPROPERTY enum is not refreshing in UDetailsView
UE - AI Workflows - UI Systems - Oct 15, 2024There is an issue with UPROPERTY enums where the tooltip does not update as expected. When the DetailViewWidget is refreshed, the tooltips appear correctly. For example, ToggleShowingOnlyAllowedPro ...
Assets on paths with speed parameters are sped up in Path Tracer exports
TM - Rendering - Jul 18, 2025Reported in SF [Link Removed] In Path Tracer renders, all paths with a speed component (vehicles, bicycles, custom) will render at an increased speed than specified in the exported render. This is ...
Using Blend Physics Weight causes skeletal mesh to spin at high speed
OLD - Anim - Mar 5, 2015When Phyics Blend in the PHAT editor is set between 0 and 1, the user character will spin wildly. User has image of this affecting character in game whereas I was only able to replicate it in the PH ...
Static Meshes Disappear with Media Player Asset Applied as Material in Standalone or Packaged Game
UE - Anim - Sequencer - Jun 7, 2016Static Meshes with a Media Texture applied will disappear when played in Standalone or in a Packaged Game. Regression? Yes, this is not the same behavior in the 4.11 version of the engine. Note I ...
Mouse Not Being Locked to Viewport in PIE
Tools - May 3, 2016The mouse cursor is not being locked to the viewport during PIE in versions 4.11 and up. This is inconsistent with the behavior that was seen in 4.10 because the mouse was locked to the viewport du ...
Combo box does not function in packaged build
UE - Editor - UI Systems - May 10, 2017The ComboBox (string) element for UMG is not correctly displaying, The array options do not appear and can not be selected, for the packaged build, while PIE behaves as expected. Regression: This ...