Unreal Engine Issues
Unreal Engine Issues
Crash when modifying BP custom event after deleting BP function
UE - Gameplay - Blueprint - Mar 24, 2017If a BP function contains a Create Event node, deleting the function will cause the editor to crash when modifying any custom event of that BP. Regression: No - same behavior occurs in 4.14.3 Binar ...
Execute pin from the Input node of a Collapsed Graph does not show the flow of execution
UE - Gameplay - Blueprint Editor - Apr 24, 2017The flow of execution, shown while debugging a blueprint, does not show for the execution pin that comes from the Input node of a collapsed graph. It shows for the rest of the graph. Regression?: N ...
Certain dropdowns in the Menu Bar are missing sections on Mac when expanded
UE - Platform - Apple - Apr 25, 2017This only affects certain dropdowns and only occurs when the editor is open. Also occurs in 4.15.2 This has been seen on the following macs:AMD R9 M395 iMac running Sierra 10.12.5 ...
Copy/paste of multiple components in attachment hierarchy distorts transform values
OLD - Enterprise - May 18, 2017When multiple components in an attachment hierarchy are copy and paste, the result is the new group has a distorted shape from the original. This issue may be related to [Link Removed] and is affec ...
Movable point light disappeared by MinScreenRadiusForLights and appeared back looks deemed.
UE - Platform - Mobile - Jun 25, 2021The movable point light is abnormally lit when it disappeared by the setting of r.MinScreenRadiusForLights rather than "Max draw distance" and appears back. After you disable and enable the "Affect ...
Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling
UE - Editor - Workflow Systems - Jan 11, 2022This is a regression.This does not affect UE5. Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling. In 4.26 and UE5 the code compiles without issue, and the user ...
MemReport does not seem to respect mesh streaming
UE - Rendering Architecture - Aug 6, 2024The function "FStaticMeshLODResources::GetResourceSizeEx(...)" does not take into account that the buffers might be emptied, due to Mesh Streaming. This causes "obj list" to report sizes larger than ...
[AI] Area Class to Replace does not work on SplineNavModifierComponent
UE - AI - Navigation - Jun 16, 2025The SplineNavModifierComponent does not have the same behavior as regular nav modifier components where the modifier can specify that it only replaces a given NavArea class. Setting the area class t ...
Crash when Changing LOD Group on SpeedTree Assets
UE - LD & Modeling - Modeling Tools - Mesh Editing - Nov 22, 2016A crash occurs when changing/setting the LOD Group of a SpeedTree asset within the Static Mesh editor. Regression? Yes, this crash does not occur in the 4.13.2 binary release. ...
game terminated on android device when connect or disconnect usb dongle
UE - Platform - Mobile - Jun 1, 2021The game crashed when the USB Dongle is connected or disconnected. Games that made by other engines are work fine. Refer to the attached video for the reproduce. ...