Unreal Engine Issues
Unreal Engine Issues
Material functions should be able to output the same data as it can accept as inputs
UE - Rendering Architecture - Materials - Sep 30, 2024Material Functions cannot output Texture Objects or Booleans. This seems to be because the Material Editor believes that the outputs are Floats, and forbid connections to inputs that take Textures ...
Invalid DumpGPU capture when ProjectDisplayedTitle contains special utf8 chars
UE - Graphics Features - Mar 7, 2025Placing a special UTF-8 character into the "ProjectDisplayedTitle" will result in GPU dumps failing to open. This appears to be because the dump will switch between us-ascii and UTF-16 file formats ...
Adding a Scene Capture 2D to Render Target will override Motion Blur settings in level
UE - Graphics Features - Nov 24, 2014With a Render Target From Scene Capture 2D setup in a level , the motion blur settings from a global post process volume is overridden. Was investigating Scene Captures picking up Motion Blur when ...
Using the "-opengl" commandline argument on a client project will trigger an Access Violation breakpoint.
UE - Graphics Features - Dec 3, 2014Running a client in debug mode in Visual Studio with the "-opengl" commandline argument will trigger an Access Violation breakpoint. ...
[Voice Virtualization][Focus] - Looping sounds do not become Virtual when Virtualization is Restart and Volume Attenuation is set to 0 by Focus settings
UE - Audio - Voice Management - Sep 2, 2021When using Voice Virtualization settings, if the Attenuation Volume becomes 0.0 do to Focus setting, Restart does not behave as expected on looping sounds. Both Disabled and Play when Silent do wo ...
GetAllocatedSize returns inaccurate number of bytes
UE - Foundation - Core - May 20, 2015When calling GetAllocatedSize() on a TBitArray it will round down the result of MaxBits / NumBitsPerDWORD. This means that not enough bytes are allocated when the MaxBits is not divisible by NumBi ...
Complex Collision as Simple causes odd Overlap behavior
UE - Simulation - Physics - Jan 25, 2016When triggering overlap events with a Static Mesh using Complex Collision as Simple, the overlap Begin and End events will be triggered rapidly in sequence. Changing to Default collision will fix t ...
Scene Capture 2D will default back to View 0
UE - Graphics Features - Oct 8, 2015The scene capture will revert back to the Character BP that is placed in the level when player 2 is not moving. When they are moving the scene captuer will show correctly. You can get around this ...
EnumRedirections from a Blueprint enum to a c++ enum does not redirect everything correctly.
UE - CoreTech - Aug 20, 2024There is an engine bug when using the EnumRedirects feature inside a config file. If we have a Blueprint Enum used in our blueprints, and we want to convert all the Blueprint enum references to a C+ ...
Physics constraint component doesn't work when placed inside a child actor, while using world partition and streaming is enabled
UE - Simulation - Physics - Mar 21, 2025Context: In a World partition level, to reduce complexity and provide a scalable solution when creating new projects, grid cell streaming can be enabled. Problem: The problem is that physics constr ...