[Mac][Metal] Black/NaN spots Visible in Templates With r.BasePassOutputsVelocity

UE - Platform - Apple - Apr 15, 2016

Base-pass rendering on Mac Metal now generates transient black/Nan spots across the scene - this appears to be related to r.BasePassOutputsVelocity and is presumably the connected to the incorrect s ...

Distance Field Mesh default resolution artifacts on some shape meshes

UE - Graphics Features - Feb 10, 2016

Distance Fields generated for the 4 basic static mesh assets in the modes panel appear to have artifacts or low resolution. This is only affecting certain shapes that I can see. Adding in assets fro ...

Compile failure adding C++ Vehicle or VehicleAdvanced pack to a project

UE - Gameplay - Jan 11, 2017

Adding the C++ Vehicle feature pack to a project fails to compile with the following error:CompilerResultsLog: Info Error: Couldn't find parent type for 'TP_VehiclePawn' named 'AWheeledVehicle' in c ...

IPA Package Sizes have Increased between Versions

UE - Platform - Mobile - Feb 21, 2017

When packaging for iOS the IPA file seems to have increased in size from previous versions. The licensee made an important observation that it appears the master materials have almost halved in si ...

Gamepad button press and hold does not hold focus

UE - Editor - UI Systems - May 25, 2017

When using a gamepad (Tested with an X-box 360 Controller) if you press and hold a UMG button down and then use the D-pad or another form of movement the currently pressed widget component (In the t ...

UMG Visibility binding resets to default after closing and reopening project first time

UE - Editor - UI Systems - Aug 31, 2017

UMG Visibility binding resets to default after closing and reopening project first time. "Get Visibility" on Button click boolean toggle for widget blue print "False" return node value gets automa ...

Transform node which transforms a vector from mesh particle space to world space in vertex shader doesn't work on ue4.25

UE - Niagara - May 27, 2020

Transform node which transforms vector from mesh particle space to world space in vertex shader always returns 0. In ue4.24, it works fine. This behavior has been changed in CL#12558699. Removing f ...

[Impulse Response] - Opening an Impulse Response asset throws errors in the Output Log

UE - Audio - Nov 4, 2022

Errors are appearing in the log when opening an Impulse Response asset type. This does not occur in Release-5.0 and is a regression. Note: The IR appears to still work normally as part of a Submix E ...

Debug information is sometimes missing when compiling with cl-clang

UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 24, 2023

Via UDN: As has been discussed previously here and in CL 20055361, debug information is sometimes missing when compiling with Clang. We've pinpointed this to debug information not being emitted fo ...

Nanite Tessellation Artifacts With Landscapes

UE - Graphics Features - Nanite - Dec 4, 2024

There seems to be an issue with how Nanite tessellation and Landscape interact with two sided landscapes. When the camera's near clipping plane is past the landscape's surface the displacement of th ...