Unreal Engine Issues
Unreal Engine Issues
Smoothing landscape removes landscape collision in smoothed areas
UE - LD & Modeling - Terrain - Landscape - Apr 27, 2016Smoothing user's landscape breaks collision, causing player to fall through the ground at points that have been smoothed. Resampling landscape fixes the error until smooth tool is used again. Regr ...
A Function whose declaration is in a platform specific "If" block cannot be bound to a delegate
UE - Foundation - Core - Jun 3, 2016Functions whose definition is in a platform specific "if" block cannot be bound to a delegate and also causes an assert when beginning to play in PIE for the first time since compiling, but the asse ...
Perforce setup with SSL on Linux fails
UE - Platform - Linux - Jul 20, 2015Unable to connect project to Perforce using SSL on Linux. Linux uses stub libs for SSL rather than linking against full SSL libs. ...
Linux editor windows are completely black
UE - Platform - Mobile - Apr 10, 2017All of the editor windows are completely black on the Linux machine with the exception of the splash screen. This occurs for the Unreal Project Browser, toast windows and game windows. The functio ...
Packaged project crash on open with GEngine & ConstructorHelpers
UE - Foundation - Core - UObject - Jun 28, 2017When GEngine is used in a constructor before calling a ConstructorHelper function, the packaged game will crash on open with an assertion about recursion (see screenshot) ...
iPadPro2 Splash Screen distortion on app Launch
UE - Platform - Mobile - May 7, 2018iPadPro2 splash screen distorted on app launch. Looks like there is a fix for this in FN branch that can be brought over. Engine/Source/Runtime/ApplicationCore/Private/IOS/IOSAppDelegate.cpp http ...
Screen Aligned(Velocity) particles deform at low velocity
UE - Niagara - Nov 22, 2019Screen aligned particles with very low velocity will squash in 4.23+ (No squashing in 4.22) Confirmed in 4.25 MAIN at CL 10333042 ...
Copying an InstancedStaticMeshComponent does not render correctly
UE - Editor - Nov 6, 2020Material cannot be set in MaterialInterface of NiagaraParameterCollection
UE - Niagara - Apr 16, 2021When MaterialInterface is added to UserParameter of NiagaraSystem, Material can be set in Properties. Also, in UE4main CL15988344, there is no MaterialInterface item in the NiagaraParameterCollecti ...
'recompileshaders changed' doesn't work
UE - Graphics Features - May 7, 2021The issue is already fixed in UE5 by CL 14368553. This Jira is created for cherrypick into UE4 ...