Unreal Engine Issues
Unreal Engine Issues
Duplicating a blueprint that implements an interface and then removing that interface will cause compile errors that don't occur if the interface was removed from the original BP
UE - Gameplay - Blueprint Editor - Aug 1, 2020See steps to reproduce. Looks like the fixup when saying Yes to "Would you like to transfer the interface functions to be part of your blueprint" doesn't work correctly on the duplicated BP. Inter ...
The Add node does not update in the Construction Script
UE - Gameplay - Blueprint - Feb 28, 2015The Add node does not update in the Construction Script. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...
Spinbox value decimal point is moved one place to the right when edited on Android
UE - Platform - Mobile - Jan 26, 2017After the value of the Spinbox is edited and committing the edited value, the decimal point will move one place to the right. ...
With Ray Tracing Enabled And The RenderDoc Plugin Enabled Shadows Don't Render Correctly On Reflective Materials
UE - Graphics Features - Lumen - Jan 23, 2020When the RenderDoc plugin is installed with raytracing enabled shadows don't render correctly. Found in 4.24.1 CL#10757647 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#11087956 ...
Screen Percentage does not behave correctly with SceneDepth Post Processing
UE - Graphics Features - Sep 14, 2022This is a regression tested in //UE4/Release-4.27 CL18319896 Screen Percentage does not behave correctly with SceneDepth Post Processing. ...
Calling GetMaterial during compile on load can cause the material shader to fail to compile
UE - Rendering Architecture - Materials - Oct 4, 2024Calling UStaticMeshComponent::GetMaterial() during a Blueprint compile on load can cause the Material shader to fail to compile because GetMaterial will trigger a PostLoad call on that Material and ...
Increment and decrement nodes return the incorrect value
UE - Gameplay - Blueprint - Jun 23, 2015Increment and decrement nodes return the incorrect value User Description: Getting the result of the Increment Macro seems to be incrementing the variable twice. Very confusing. Is this normal? ...
Static Mesh imported from USD file has empty UV channel
UE - Editor - Content Pipeline - Import and Export - Oct 6, 2020When importing static mesh from USD file then it has the wrong amount of UV channels. Selecting a UV channel shows an empty area in the viewport. Regression: YES - not reproduced in 4.25.3 produc ...
Cross-Compiling for Linux-ARM fails to compile
Tools - Aug 11, 2015Following the directions on the wiki for cross compiling on Linux ([Link Removed]) fails when trying to package the project. ...
Override Attenuation Can't be Unchecked When Audio Component Added to Blueprint and Blueprint Attached to Actor
UE - Audio - Dec 20, 2017Checking Override Attenuation in Details < Audio Component < Attenuation disables settings that further adjust the Attenuation. Such as: Attenuation Air Absorption, Attenuation Listener Focus, Atte ...