Unreal Engine Issues
Unreal Engine Issues
Translucency does not produce soft falloff on Samsung S7 Mali devices
UE - Platform - Mobile - Aug 3, 2016RadialGradientExponential material function does not produce a soft falloff on that particular device. Does not repro on Adreno version. Seems like precision issue or driver bug that optimizes out s ...
Widget components and widgets in screen space are not the same color
UE - Editor - UI Systems - Jun 27, 2016Widget components appear to be affected by lighting. This causes differences in color between widget components and widgets that have been added to the viewport. ...
Auto Exposure Basic produces too much bloom in dark environments
UE - Graphics Features - Jan 29, 2016A simple scene with just a light and an mesh will suffer from copious amounts of bloom. This will occur if there is a light in the scene or not. Exposure Histogram does not produce this result. This ...
On Drop appears to cause update issues with widgets that are affected On Drag Enter
UE - Editor - UI Systems - Jan 3, 2017On Drop appears to cause update issues with widgets that are affected On Drag Enter. In this example the widget only changes colors if a delay is placed in the On Drop function. The On Drop function ...
Crash after clicking the Build button on Linux
UE - Platform - Linux - Sep 17, 2019This crash is a regression from 4.22.3 (CL-7053642). If lighting is built by selecting "Build Lighting Only" the Editor will not crash. This does not reproduce on Windows with -vulkan. This was rep ...
Two-Sided Shadowing on Planes and Landscapes with non-flat Normals are Incorrectly Lit
UE - Graphics Features - Dec 17, 2015When using a Two-Sided Material and Shadowing Two-Sided for a Plane or Landscape, with non-flat normals, there are parts of the material which are still illuminated. I have provided a test project ...
Renaming Native Blueprint Interface category in Blueprint derived class causes crash
UE - Gameplay - Blueprint - Aug 22, 2016Renaming a function category from a Interface class which a class inherits from causes crash. ...
FOculusRiftHMD::EnablePositionalTracking() may be missing a call to UpdateHmdCaps()
UE - Platform - XR - Feb 26, 2015A user reported that the FOculusRiftHMD::EnablePositionalTracking() function is missing a call to UpdateHmdCaps() so that the status of the HMD is correctly updated. The user's suggestion for this ...
The collision is wrong when the static mesh scale is set as negative value
UE - Runtime - Simulation - Feb 15, 2022I checked the c.haos code quickly. I think it caused by the function "bool FInitBodiesHelperBase::CreateShapesAndActors()". In this function, the CreateActor_AssumesLocked function will ignore the s ...
Adding pin to CR node causes crash if input variable is assigned to one of the array element
UE - ACT Character - Control Rig - Aug 22, 2025When a node has a variable assigned to one of its pins. You will get a crash every time you add a pin. I am sure this goes for all nodes with with the "add pin" functionality [Link Removed] ...