Unreal Engine Issues
Unreal Engine Issues
Masked Materials using the Forward Renderer and MSAA results in banded Gradient
UE - Graphics Features - Feb 23, 2017Masked materials used in conjunction with MSAA and Forward Rendering results in a banded gradient which seem to correlate directly with the MSAA count variable. This is connected to the Forward Ren ...
AnimSequence's play rate is doubled when in a SyncGroup
OLD - Anim - May 11, 2018It is because that the RateScale is multiplied twice. First at UAnimSequenceBase::TickAssetPlayer : {{ const float PlayRate = Instance.PlayRateMultiplier * this->RateScale;}} Second at UAnimSeq ...
LocalHeightFog placed in 5.3 projects are invalid and not appearing when the project is updated to 5.4
UE - Graphics Features - May 24, 2024LocalHeightFog actors placed in levels for 5.3 projects are invalid and not appearing in levels after the project is upgraded to 5.4. This is likely due to LocalHeightFog being renamed to LocalFogVo ...
Physics actor attached during runtime doesn't have proper collision
UE - Gameplay - Oct 14, 2015Physics actor attached during runtime doesn't have proper collision User Description: It seems that the "Weld Simulated Bodies" option on the AttachToActor function (same with AttachActorToActor) ...
Collapsed Nodes do not move with their functions
UE - Gameplay - Blueprint - Apr 10, 2015When you create a function and collapse nodes within it, the collapsed nodes to not follow the function category switch. I also noticed that when you move the function around that has the collapsed ...
Reflection capture memory not released
UE - Graphics Features - Mar 16, 2020Until 4.23.1, the value of the Texture Memory Cube is reduced to an appropriate size. It is explained in the following thread:https://udn.unrealengine.com/questions/398103/index.html ...
Downsampled SceneColour textures are not invalidated after ComposeToNewSceneColor when TSR is enabled leading to AfterMotionBlur materials not rendering bloom
UE - Graphics Features - Sep 11, 2025When an emissive AfterMotionBlur material is used with TSR, Bloom is not applied to the material. The cause for this appears to be that AfterMotionBlur materials are composed to a separate texture ...
PBO Disable option does not work in Hide Bone By Name node
UE - Simulation - Physics - Aug 10, 2015PBO Disable option does not work in Hide Bone By Name node See repro and images[Image Removed][Image Removed] ...
LIVE: Crash on highresshot console command
Tools - Nov 10, 2014User is reporting a crash when using the console command "highreshot #" with any number. [Link Removed] ...
Crash can happen in FDetailLayoutBuilderImpl::Tick() when a category of UStruct member includes the "|" symbol and member is Tickable.
UE - Editor - Workflow Systems - Dec 3, 2024A crash can occur when a member of a UStruct has a category with the "|" symbol and is trying to be displayed inside by the FDetailLayoutBuilderImpl class. This happens when there is a UStruct memb ...