Unreal Engine Issues
Unreal Engine Issues
Divide by zero in beam update can cause editor to crash in Cascade
UE - Niagara - Sep 23, 2019The licensee has traced the issue back to a divide by zero in UParticleModuleTypeDataBeam2::Update. If the Target and Source are the same then the beams magnitude will be zero. When there is a Nois ...
Reimporting static mesh doesn't respect changed lightmap settings
UE - Editor - Content Pipeline - Import and Export - May 11, 2023Licensee reports change of behaviour between UE4 and UE5 when reimporting a mesh after changing its lightmap build settings. Change of behaviour occurred in 17404767, which was to fix a similar pro ...
Cannot connect to source control on Linux
UE - Platform - Linux - Mar 30, 2015Pressing the "Connect to Source Control" Button on a Linux project does not open the "Source Control Login" window. Looking at the Message Log for source control it says that "Source Control is dis ...
Niagara - "Make Static" nodes do not seem to be working correctly.
UE - Niagara - Apr 7, 2025When a "Make Static" node is used in a Niagara Function Script or Niagara Module Script to supply the input value for a Static Switch Selector or, a Function Parameter, or a Function Parameter Defau ...
Crash On Launch When Using Leap Motion Character
UE - Platform - XR - Mar 1, 2017The editor is crashing on launch when the Leap Motion plugin is enabled and a leap motion character is being used. This did not occur in 4.14.3. This is a regression. ...
Skeletal meshes are not simulating physics
UE - Simulation - Physics - Feb 6, 2017Skeletal meshes do not simulate physics when playing in viewport. They are not affected by gravity, nor do they ragdoll. This doesn't occur in UE4/Main. This occurs with Immediate Mode Physics of ...
Alembic geometry cache doesn't import every frame when importing large frame ranges
OLD - Anim - Apr 13, 2017Alembic geometry cache doesn't import every frame when importing large frame ranges. Specifically when they don't start at frame 1. [Link Removed] ...
When changing Select Node index pin from boolean to int/byte options do not update
UE - Gameplay - Blueprint Editor - May 4, 2017When changing from boolean to Integer/Byte the select nodes options are not changed to Option 0/Option 1 and instead are left as False/True ...
Crash closing a project that was packaged on Windows for Linux
Tools - May 11, 2017This occurred with both Development and DebugGame build configurations. In the game's console I tried both "quit" and "exit" and reproed the crash. The crash also occurs via Alt + F4 or closing vi ...
Data Tables can no longer import numeric enum values
Tools - Nov 1, 2017Some changes to UEnumProperty::ImportText_Internal prevent this importing the stringified number (which is a float) as an enum value. This affects the JSON importer, and maybe the CSV one too. ...