Unreal Engine Issues
Unreal Engine Issues
Unable to select foliage by left clicking after 1.5 k foliage meshes placed
UE - World Creation - Worldbuilding Tools - Foliage - Aug 28, 2017When using the foliage tool, once the mesh count reaches around 1.5k and higher you will be unable to select individual meshes by using the mouse. The lasso tool and the select all tool work as inte ...
Possession is not replicated properly to some clients
UE - Networking - Nov 8, 2018A user has reported an issue where Possession replication or Character Movement replication, unsure of which, is not working properly for some clients. It seems to work fine for the first client but ...
Editor crashes when attempting to press tab while editing transform values in structs
Tools - Dec 23, 2014Editor crashes if a user presses tab while editing transform values in a blueprint struct. Note: This only occurs while editing transform variables, no other var causes this crash. Logs and Dump f ...
Snapping Pivot to Vertices is Difficult using New Default Keyboard Shortcuts
Tools - Aug 6, 2015A licensee requested this ticket be entered as a bug report. The pivot vertex snapping functionality has changed and no longer functions as it did in prior versions of the engine. Somewhere the key ...
Crash when using StaticDuplicateObject with mismathced Source and Destination class types
UE - Foundation - Jun 19, 2025Starting in Unreal Engine 5.4, StaticDuplicateObject internally switched to using Unversioned Property Serialization (UPS) for performance reasons. However, UPS assumes the source and destination ob ...
Getting Fullscreen or Windowed Resolutions doesn't fully execute on Linux
UE - Rendering Architecture - RHI - Oct 28, 2019When using "Get Supported Fullscreen Resolutions" on UE when built with Vulkan, no values are printed out. This is an issue with any platform that builds UE with -vulkan, not just Linux. In Engine ...
Using Snap Rotation displays the Rotation wrong (or calculates the Rotation wrong and losses precision) when the Y rotation axis is 90 degrees
UE - LD & Modeling - Modeling Tools - BSP - Nov 7, 2019Although the Details Panel shows the degrees wrong, the object seems to have done it's rotation correctly but not in the right degrees. It will rotate to the position specified but it goes the wrong ...
Constraint to kinematic root body prevents skeletal mesh from sleeping
UE - Simulation - Physics - Mar 5, 2019Linked test project contains already set up actor as described in steps to reproduce. Using a kinematic body on a root bone, setting all other bodies sleep family to Custom, and their custom sleep t ...
Unable to run UE4Editor using the -SM4 commandline argument
UE - Graphics Features - Nov 16, 2018Attempting to run the UE4 Editor using SM4 causes an error to popup stating that "A Feature Level 5 video card is required to run to Editor. AvailableFeatureLevel = SM4, ShaderPlatform = PCD3D_SM4" ...
Using xcode-select to switch between Xcode 10 and Xcode 11 beta can cause Xcode 11 to be unrecognized by the editor
UE - Platform - Apple - Jul 16, 2019After switching from Xcode 11.0 Beta 3 (11M362v) to Xcode 10 (10A255) and then back to Xcode 11, the editor no longer recognized that Xcode was installed on my machine when trying to use Xcode 11 as ...