Unreal Engine Issues
Unreal Engine Issues
Crash on exit PIE when playing with more than one player on Linux
UE - Platform - Linux - Oct 3, 2016When playing in non-single player game in the editor (either set # players or check dedicated server checkbox), the editor will crash when the play session ends. Regression: Yes - editor does not c ...
CPU Particles spawned through Blueprints do not keep Collision
UE - Graphics Features - Nov 5, 2014Particle Systems spawned via a blueprint are not generating collision. The same system will generate collision if placed directly in level. Also reported: https://answers.unrealengine.com/questio ...
Lens Flares are appearing in Other Player's Windows
UE - Graphics Features - Jul 28, 2015On a Windows 8.1 Platform with an Nvidia 960 card, Lens Flares when playing with 2 Player's (without a dedicated server) are appearing in the wrong window. So, Player 1 is looking at sun, Player 2 ...
Nativizing actor does not destroy component with construction script.
UE - Gameplay - Blueprint Compiler - Nov 19, 2018Running destroy component with construction script placed on level blueprint does not destroy component when it is nativized. It works correctly with PIE and Not Nativize. Also, if the actor that wa ...
Properties missing from Japanese UI
UE - Editor - UI Systems - Localization - Oct 20, 2015Some properties go missing when the Editor is switched to Japanese mode. Specifically, missing under Collison: -Simulation Generates Hit Events -Phys Material Override -Use CCD (See attached screens ...
LuaScriptCodeGenerator calls private FColor constructor
UE - Foundation - Core - May 24, 2016LuaScriptCodeGenerator.cpp line 82 (https://github.com/EpicGames/UnrealEngine/blob/4.11/Engine/Plugins/ScriptPlugin/Source/ScriptGeneratorPlugin/Private/LuaScriptCodeGenerator.cpp#L82) sets a FStrin ...
UHT "Type TArray is not supported by blueprint" error message is ambiguous
UE - Foundation - Cpp Tools - UnrealHeaderTool - Jan 11, 2019An overly generic error message is produced when you have a TArray UProperty that contains a non-blueprint friendly type. For example: UPROPERTY(EditAnywhere, BlueprintReadWrite, editfixedsize) TA ...
Support for import/reimport of mesh LODs is unavailable in Blueprint and python
UE - Editor - Content Pipeline - Import and Export - Mar 31, 2020The missing API prevent clients to do good scripted import pipeline tools. there is two UDN thread that can be solve by this JIRA https://udn.unrealengine.com/questions/566538/how-to-add-a-custom- ...
Constraint setting UI issues
UE - Simulation - Physics - Apr 12, 2016When setting constraints to free or locked the "Angular Rotation Offset" property greys out so it can't be edited. But when simulating it still has an effect. Either needs to not have an effect or n ...
2 GB/hr Memory Leak on levels that are not enclosed
UE - Graphics Features - Feb 19, 20162 GB/hr Memory Leak on maps with no Sky Sphere or Atmospheric Fog to occlude empty space. The leak also occurs during general usage, but was tested with a blank project and an absolutely blank leve ...