Unreal Engine Issues
Unreal Engine Issues
Multitouch on Windows offsets touch index by 1, starting at TouchIndex_2
Tools - Oct 18, 2016Touch input on Windows devices will start at touch index 2 instead of touch index 1, like other touch devices. ...
WmfMedia: Track switching does not work
Media Framework - Aug 31, 2016Track switching is currently not supported, because media with multiple tracks of the same type fail to load. Once that is fixed, implement run-time track switching. ...
Metdata 'ForceAsFunction' does not prevent conversion to event
UE - Framework - Blueprint Editor - Mar 6, 2025Quote from the UDN: This is easily fixed with a conditional in bool FBlueprintEditor::ConvertFunctionIfValid(UK2Node_FunctionEntry* FuncEntryNode) which we've done locally, but should probably be ...
Framerate drops noticably when using Retopologize tool
UE - LD & Modeling - Terrain - Landscape - Jul 18, 2016Significant framerate drop occurs when attempting to utilize the retopologize tool on landscapes. This occurs even when the landscape has remained completely unaltered. Other landscape tools experie ...
Reimport factory not being called for import enabled by plugin
UE - Editor - Content Pipeline - Import and Export - Apr 25, 2016A user reported a problem that started occurring with 4.10 and didn't occur in 4.9.2 (Was unable to get a project in 4.9.2 and thus unable to confirm his claims, therefore I'm not marking this as a ...
Using a Custom Game State Disables Tick for Other Blueprints
UE - Gameplay - Blueprint - Jan 5, 2017Using a game mode that contains a custom game state rather than the default seems to be disabling tick for other blueprints such as characters and actors. Whenever the project is using a custom gam ...
Expandable Area does not respect scrollbox boundaries unless set to fill
UE - Editor - UI Systems - Dec 13, 2017There is an issue where Expandable Area does not respect scrollbox boundaries unless set to fill. This occurs when the scrollbox is a child of another component. This issue does not appear to be a r ...
FHLSLMaterialTranslator::GetMaterialEnvironment can crash or not load UMaterialParameterCollections
UE - Rendering Architecture - Materials - Apr 30, 2025In UE 5.5, the Editor may crash in FHLSLMaterialTranslator::GetMaterialEnvironment when loading materials with Material Parameter Collections, likely due to async loading. Calling ParameterCollectio ...
Landscapes do not render on PowerVR device
UE - Platform - Mobile - Sep 2, 2016When using a level with a landscape on an Android Device with a PowerVR gpu the landscape is not rendering. This was reproduced with Asset# 4719Model: Galaxy S4 GT-19500GPU: PowerVR SGX544MP3OS: 4. ...
Blueprint variables get reset if not made Public
UE - Gameplay - Sep 5, 2018When a blueprint variable is not set to Instance Editable, its value gets reset at runtime. This seems to occur because the variable OriginalCannonTransform seems to get reset/nullified after being ...