Unreal Engine Issues
Unreal Engine Issues
Rotate about axis material node can cause Z-fighting in Niagara mesh particles
UE - Niagara - Oct 21, 2020The rotate about axis material node appears to cause z-fighting in mesh particles if they are scaled in the simulation. ...
Toggling ULevelStreaming::bShouldBeVisible causes replication errors
UE - Networking - Mar 17, 2017Looks like the replication system doesn't properly account for bShouldBeVisible. Once a level has be marked bShouldBeVisible=false on the server, the level is completely cleaned up and all actor cha ...
Component Array doesn't update properly when using Text Variables
Tools - Sep 19, 2018A Component Array doesn't update properly when using Structure Variables. Any array elements added after the setup don't get printed when the event is called. If you set the "Editable when Inherited ...
[Audio Capture] - Editor crashes when activating an Audio Capture component when there are no active input or output devices avilable
UE - Audio - Aug 12, 2022If a device has no available input or output devices, activating an Audio Capture component will cause the device to crash. Occurs in Editor and Runtime. Assertion failed: NumTotalFrames > 0 [File:E ...
Rendering from the Movie Render Queue at runtime while using the current level will fail, even when the levels match
UE - Anim - Sequencer - Jul 22, 2021When Use Current Level is true, the MRQ tries to validate that the maps are the same, but this will fail when the maps actually do match. The Use Current Level flag should allow the render to cont ...
Enum Variable doesn't pull the correct Default Value
UE - Gameplay - Blueprint - Aug 10, 2015Enum Variable doesn't pull/print the correct Default Value User Description: (Blueprint) User defined enum in 4.9 getting corrupted I believe there is a severe underlying issue in 4.9 regarding u ...
Uniform Static Mesh Sampling doesn't work on GPU Niagara Emitters
UE - Niagara - Aug 11, 2020Uniform sampling of static meshes for GPU emitters does not work. ...
[Oscilloscope][Analyser Probes] - Analyser graph doesn't update smoothly when observing pin outputs
UE - Audio - MetaSounds - Sep 22, 2023[Image Removed] ...
Scroll off set for "Scroll box" is incorrect after scrolling with the mouse wheel
UE - Editor - UI Systems - Sep 2, 2015If the user uses a scroll box and then get the offset of the scroll box it will read correctly until the user uses the mouse wheel to scroll down. The scroll offset will then read lower than the act ...
Crash Occurs When Attempting to Pass a Struct Containing an int64 into a Blueprint Function
UE - Gameplay - Blueprint - Feb 17, 2016Attempting to pass a struct containing a variable of a type that is not compatible with blueprints into a blueprint function causes the editor to crash upon PIE. Found in 4.10.2 binary. Reproduced ...