Unreal Engine Issues
Unreal Engine Issues
Foliage is Offset When Streaming Existing Levels From World Composition
UE - World Creation - Worldbuilding Tools - Foliage - Jul 3, 2018Streaming an existing level that used World Composition places the landscapes in the correct spot, but any foliage tied to that landscape is placed on the landscape tile at 0,0 instead of its corres ...
Motion Controller meshes do not track with Motion Controller position within VRMode
UE - Platform - XR - Feb 8, 2019This is a regression from release 4.21.2 Motion controller meshes are present in the level, they just aren't tracking alongside the motion controls. Motion controls still function as intended othe ...
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 ...
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 ...
Hardware Raytracing on Lumen can cause a crash on AMD Radeon GPUs
UE - Rendering - Graphics Features - Lumen - Jul 29, 2025Hardware Raytracing support can cause a crash on AMD Radeon GPUs when creating the RT pipeline state. ...
Changing the name of an Event Dispatcher's Input will not update existing nodes in Event Graphs and cause a compiler error
UE - Gameplay - Blueprint - Mar 5, 2015Changing the name of an Event Dispatcher's Input will not update existing nodes in Event Graphs and cause a compiler error. The error text includes links that open the level tab rather than locating ...
Access violation crash on startup after converting project
UE - Graphics Features - Jun 1, 2016Access violation crash on startup after converting project User Description: We were using 4.10.4, and are trying to upgrade to 4.11.2. The project will convert and open fine the very first try, b ...
Blueprint Editor Layout is not properly saving
UE - Gameplay - Blueprint Editor - Oct 19, 2016There are some weird things happening with layout recently, like UE-37541 which doesn't allow the user to save their layout, then reset it to the saved layout. Interesting thing to note is that wh ...
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 ( ...