Unreal Engine Issues
Unreal Engine Issues
Material Instance Can't Update Material Parameters Defined in a Material Function Within a Material Layer
UE - Rendering Architecture - Materials - Nov 21, 2018When you edit the parameters of a material function that is within a material layer from the material instance, the material instance does not update. Found in 4.20 CL# 4369336, 4.21 CL# 4541578, a ...
Editor Crashes when compiling a 3d widget after adding array variable
UE - Editor - UI Systems - Feb 23, 2015Editor crashes when user adds array variable (any type) to a 3d widget that is used within a blueprint actor and then compiles the widget. Frequency: 4/4 Crash Reporter: [Link Removed] ...
Procedural Sounds Dropping First Samples
UE - Audio - Oct 26, 2015When playing a sound with the bProcedural = true option enabled. The associated sound will then drop samples when played. The licensee who originally reported the issue actually has provided a fix i ...
Zooming with mouse wheel causes camera to jerk if zooming while the camera sets in a function
UE - Gameplay - Blueprint - Jul 31, 2015If a collapsed or new function is opened and the mouse wheel scrolled to zoom the viewport camera in or out while setting in the new function, it will continuously jerk back to the original position ...
Dispatcher event called from actor blueprint needs to compile in a specific order
UE - Gameplay - Oct 15, 2019Dispatcher events being called from actor blueprints have to be compiled in a specific order to successfully call the dispatch event. ...
tvOS encounters failure to read save file when loading saved level
UE - Platform - Mobile - Nov 20, 2019When load is called user encounters: [UE4] [2019.11.20-23.42.09:282][575]LogStreaming: Warning: Failed to read file '../../../QAGame/Saved/SaveGames/TestSlot.sav' error. The integer value does not ...
Texture Reimport can change a regular texture to a virtual texture
UE - Graphics Features - Feb 24, 2021Reloading a regular texture will convert it to a virtual texture if the size is greater or equal to the "Auto Virtual Texturing Size" setting. This is often not the desired behavior. The status of t ...
Sphere Trace Distance Field GPU function hides necessary Collision DI input
UE - Niagara - Apr 14, 2021The collision DI input is a hidden input, but is necessary for compilation. The input node should likely be marked as required, not hidden. ...
Background blur missing with HDR CompositeMode 1
UE - Graphics Features - Jul 29, 2021UPD: According to Affects Version field, issue reproduces in 4.26, Regression for 4.27 - No. ...