Unreal Engine Issues
Unreal Engine Issues
Editor Type Plugins are Included in Packaged Development Build
UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 19, 2016When you declare a plugin as "Editor" type, the plugin is still included in a packaged development build. Found in 4.10.3 binary. Reproduced in 4.11 Preview 5, and Main CL 2870013 ...
Crash upon diffing Blueprint that was reparented when its previous parent has already been deleted
UE - Gameplay - Blueprint Editor - Sep 20, 2017When attempting to diff a Blueprint that has been reparented when the previous parent no longer exists in the editor, a crash occurs. The crash is due to the editor attempting to reference the delet ...
Child character's Variable changes to the default value in a packaged project
UE - Gameplay - Blueprint - Jun 22, 2015Child character's Variable changes to the default value in a packaged project. User Description: Name of player character resets (to default value specified in parent class) after packaging. 3. P ...
Drag and Drop Import option allows folders with space in name
UE - Editor - Content Pipeline - Import and Export - Jul 7, 2017By using the drag and drop import feature, users can import files that contain spaces in the name. This causes an error in the editor where files inside it cannot save because of the name. Renaming ...
Unhovered event occurs twice with 3D Widget when button is pressed and held
UE - Editor - UI Systems - Jul 21, 2017When using a 3D Widget that is a button when you press and hold a button and move off of the widget and let go of the mouse the engine registers a second unhovered event. Engine Version tested 4.1 ...
Material reroute node does not work with WorldAlignedTextures_Complex Inputs
UE - Rendering Architecture - Materials - Oct 24, 2017There is an issue occurring with the Material reroute node as it does not work with WorldAlignedTextures_Complex when plugging into inputs. This issue appears to be similar to [Link Removed]. This i ...
Videos of certain sizes no longer display in media players
Media Framework - Oct 27, 2017Videos of certain sizes no longer display in the Media Player, this also applies to when the media player is a texture or in a material. This issue appears to be a regression. Versions Tested 4.16. ...
Sequencer - When a subsection has negative play rate, any nested sub-subsections fail to evaluate
UE - Anim - Sequencer - Jul 3, 2025Consider a sequence hierarchy with more than two layers. If the top-level sequence uses a negative timescale on a sub-sequence, the contents inside it animate as expected, but any nested sub-sequenc ...
[CrashReport] Linux crash - llvm::TargetLowering::LowerCallTo()
UE - Platform - Linux - Jul 20, 2017This is a common Linux crash in 4.16.2. ...
World Context node returns inaccurately in PIE/Standalone
UE - Gameplay - Blueprint - Sep 11, 2017When a blueprint function library reaches a "World Context" node, the result returned by the node is invalid / null in Standalone mode. Additionally, the node will occasionally report as invalid in ...