Unreal Engine Issues
Unreal Engine Issues
RuleProcessor is not listed in the Window menu in 5.4
UE - Editor - Workflow Systems - Jun 11, 2024Since CL-28416011, Sections in Window menu are broken and the RuleProcessor can not be registered in the menu. (See attached imanges) Following workaround restores the sections and fixes the issue. ...
Crash when using "Convert to Seeded" on a Cascade Module
UE - Graphics Features - May 2, 2016Crash when using "Convert to Seeded" on a Particle System Cascade module This is a Regression as it does not occur in 4.10 Error message: Assertion failed: *Offset < (uint32)InstancePayloadSize [ ...
Niagara - When editing a Niagara Function or Module Script, the "Apply" button on the toolbar never gets disabled if "expose as pin" is checked on any static switch node.
UE - Niagara - Apr 7, 2025Consider a Niagara Function or Module Script containing a Static Switch node. If the "Expose as Pin" option is enabled for its selector variable, the "Apply" button on the graph editor's toolbar wil ...
Startup Movies not Copied to Content/Movies Directory in Content Browser
Tools - Oct 5, 2016Startup movies are not being copied to the Content/Movies directory within the Content Browser. This can be confusing to users as it is not editable, but still functions correctly as a startup movie ...
Physics object resting on movable platforms have erratic physics behavior in 4.14
UE - Simulation - Physics - Dec 14, 2016Physics object resting on movable platforms have erratic physics behavior in 4.14. This is a regression from 4.13.2-3172292 User Description: When placing more than 10 or 20 blocks on a moving pl ...
Chaos Vehicle does not make them CCD
UE - Simulation - Core - Jan 10, 2024AWheeledVehiclePawn class tries to use CCD in the constructor, but Mesh->BodyInstance.bUseCCD = true this code does not work to activate CCD because Physics Assets could not be available at this ...
Mesh Renders in Main Pass if Both "Render CustomDepth Pass" & "Render in Depth Pass" Are Enabled, While "Render In Main Pass" is Disabled
UE - Graphics Features - Dec 25, 2019Meshes set to not render in the Main Pass still does if both "Render CustomDepth Pass" & "Render in Depth Pass" are enabled, while "Render in Main Pass" is disabled. Attached is an example project. ...
OnComponentHit Event is not triggered when hit by a spawned actor with simulate physics enabled for WheeledVehiclePawn with BoxCollison
UE - Simulation - Physics - Feb 20, 2023BoxCollison's OnComponentHit event is not triggered when BoxCollison hits a spawned actor with simulate physics enabled. The event is triggered if the same actor has been placed in the level beforeh ...
UBT Output log encoding does not match if non-ASCII characters are in the UBT output
UE - Foundation - Cpp Tools - UnrealBuildTool - Nov 21, 2019UBT Output log encoding does not match if non-ASCII characters are in the UBT output. Before UE4.23, UBT output encoding problems only exist in the editor "Compiler Log" under Developer Tools, and i ...
Drag and Drop Operations Don't Work Correctly When "Render on Phase" Is Enabled In a Retainer Box
UE - Editor - UI Systems - Slate - Jan 31, 2020Drag and drop operations don't work correctly when "Render on Phase" is enabled in a retainer box. When "Render on Phase" is disabled the drag and drop operations work as expected. In 4.23.1 the dr ...