Unreal Engine Issues
Unreal Engine Issues
Pawn Velocity dramatically different on server and client with Client Authoritative Position
UE - Gameplay - Sep 28, 2018The server is not seeing the correct walking animations on each of the clients and after doing some digging, we found that the Pawn->GetVelocity() function is returning something drastically smaller ...
Collision profiles are reset when blueprint is loaded
UE - Gameplay - Jan 6, 2025In UE 5.5 (and earlier versions), FCollisionResponse::operator== has incorrect behavior where it will detect that two collision response containers are identical if they have the same number of entr ...
Volumetric Clouds do not render properly while in splitscreen
UE - Graphics Features - Mar 23, 2021When implementing Volumetric Clouds in a splitscreen game, the clouds on the second player's screen render incorrectly. If the Two Player Splitscreen Layout is set to Vertical, then the clouds rende ...
Moving the camera around with click-drag in this project during Standalone or in packaged games causes choppy camera movement. This does not occur in standard PIE.
UE - Gameplay - Nov 27, 2015Moving the camera around with click-drag in this project during Standalone or in packaged games causes choppy camera movement. This does not occur in standard PIE. Test project attached. Notes from ...
Copy / Pasting a Widget creates additional Animatable Property transactions in Undo History
UE - Editor - UI Systems - Aug 28, 2018Copy / Pasting or Duplicating a Widget creates multiple transactions in Undo History. These transactions are labeled "Animatable Property changed.' By default, three Animatable Property changed eve ...
Particle Systems Feed Broken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled
UE - Niagara - Jul 11, 2019Particle Systems Feed Boroken Values to Dynamic Parameters in Materials with Instanced Stereo Enabled Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 1 CL# 7236301, ...
Twinmotion processes may not fully close on Mac after exiting program
TM - Core - Aug 14, 2024Reported to support in SF [Link Removed] and reported on reddit at [Link Removed]. For Twinmotion 2024.1 on Mac, some users are reporting that Twinmotion processes are still running after closing t ...
UCanvasRenderTarget2D crashes on some video cards if the BGRA format is selected
UE - Graphics Features - Apr 26, 2021The reason for the crash is that the underlying resource uses DXGI_FORMAT_B8G8R8A8_TYPELESS, and UAV support for that format is optional. UCanvasRenderTarget2D sets bCanCreateUAV to true always, wit ...
OSX editor fails to run on "older" hardware
at first, a "OpenGL Not Supported" message box appears and then the Editor instantly crashes after the "OK" button has been pressed. I tried again, but this time, passing in the "-opengl" flag. it ...
Foliage disappears after 1.5k if occlusion culling project setting is disabled
UE - World Creation - Worldbuilding Tools - Foliage - Aug 30, 2017When unchecking the Occlusion culling option in the project settings, if you place over 1.5k foliage meshes in the world, they stop rendering, the meshes are still present in the level and can be se ...