Unreal Engine Issues
Unreal Engine Issues
SetChildActorClass does not replicate when set to a different class
UE - Gameplay - Feb 20, 2019When using SetChildActorClass to change a Child Actor Class, the change will replicate on the Server but not the Client. The Client will have the original Actor Class after the change happens. This ...
DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1
UE - Platform - Mobile - Mar 29, 2019DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1. Worked in 4.20, no longer works in 4.21 or 4.22. Originally reported as Oculus Quest specific, but repr ...
Crash in FVulkanLinuxPlatform
UE - Platform - Linux - Apr 17, 2019Using the command in the repro steps on Linux will cause the Editor to crash and CrashReporter to pop up with a callstack. This behaves differently when tried on Windows with -vulkan. The project ...
Cannot build Engine in Debug Editor configuration due to error caused by string literals in ClientSession.cpp
PixelStreaming - Apr 18, 2019Attempting to build the Engine using the Debug Editor configuration results in a build failure related to a string literal (error C2338: Formatting string must be a TCHAR array.). There are three ch ...
SceneCaptureComponent2D Anti-Aliasing not working unless Post-Processing flag is toggled OFF and back ON again
UE - Graphics Features - Aug 28, 2019SceneCaptureComponent2D Anti-Aliasing does NOT work unless Post-Processing hidden show flag is toggled OFF and back ON again. This state persists only during Editor time. Upon restarting the Editor ...
Constraining aspect ratio of cine camera with post process material attached causes rendering issue
UE - Graphics Features - Nov 25, 2019Applying a PP material that uses absolute world position to a cine camera using "constrain aspect ratio" causes rendering issue. Note: Changing the film back settings on the camera also results in ...
Blueprint debugger: variable getter node displays wrong object's value
UE - Framework - Blueprint Runtime - Jul 28, 2023After triggering a breakpoint in blueprint, variable getter nodes can display the value of a different object than the node's target. For example: if an actor class has a value MyBool and the bluepr ...
FArchive broke operator<< for bool in Editor builds
UE - Foundation - Core - Feb 16, 2017Looks like CL-3215392 added changes in FArchive where the operator<< method for bool is a member operator in Editor (as opposed to a global operator in non-editor and old builds). This causes shado ...
[CrashReport] <unknown module>!UE4Editor_TrueSkyPlugin!FTrueSkyPlugin::RenderFrame()
UE - Graphics Features - Mar 6, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
Undoing pasting a component will crash ([CrashReport] UE4Editor_CoreUObject!FWeakObjectPtr::IsValid() [weakobjectptr.cpp:48])
UE - Gameplay - Components - Jul 20, 2017This is a common crash affecting users in 4.16. The callstack is similar to [Link Removed], which was fixed in 4.13. User DescriptionsAccidentally duplicated a blueprint with multiple static mesh ...