Unreal Engine Issues
Unreal Engine Issues
UEnum::NumEnums appears to be returning one more than the actual number of elements in an enum.
UE - Foundation - Core - Jan 6, 2015A user reported that UEnum::NumEnums appears to be returning one more than the actual number of elements in the enum. ...
Nanite Dynamic Tessellation issue with Material Layers
UE - Graphics Features - Nanite - Dec 1, 2023Crash when adding a camera to the world in VR Mode
UE - Editor - Workflow Systems - May 31, 2017Dragging a Cine Camera Actor into the world causes the editor to crash. I reproduced this with both Oculus and Vive, however had a more successful repro rate with Oculus. ...
[CrashReport] UE4Editor_Core!FGenericPlatformMemory::OnOutOfMemory() [genericplatformmemory.cpp:184]
UE - Graphics Features - Mar 27, 2018No user comments in crash group 169 (uint64)PlatformMemoryStats.AvailableVirtual, 170 (uint64)PlatformMemoryStats.UsedPhysical, 171 (uint64)PlatformMemoryStats.PeakUse ...
Open Formats: Interchange Import PIE - Importing static mesh while a PIE session is running permanently breaks nanite on the asset
UE - Editor - Open File Formats - Mar 12, 2025Importing a Static Mesh during PIE can cause it to never enable Nanite, even if it reports that Nanite is enabled. To re-enable Nanite on the mesh, the asset needs to be deleted and imported again ...
Project cannot build in VS 2017 15.8+ if it uses std::make_shared with an over-aligned type
UE - Foundation - Core - Aug 30, 2018Visual Studio 2017 15.8 includes a fix to properly handle std::make_shared used with over-aligned types. However, this is a breaking fix and requires the definition of one of two macros to either ac ...
PropertyAccessUtil methods do not do propagation to instances when editing archetypes
UE - Editor - Workflow Systems - May 14, 2020Currently value propagation is handled at the property node level (c.f., PropagateContainerPropertyChange), and is unavailable to any other editor code / scripting (whether in Python or BP or C++). ...
Editor Type Plugins are Included in Packaged Development Build
UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 19, 2016When you declare a plugin as "Editor" type, the plugin is still included in a packaged development build. Found in 4.10.3 binary. Reproduced in 4.11 Preview 5, and Main CL 2870013 ...
'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type
UE - Gameplay - Blueprint - Mar 25, 2015'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type. Note: If the pins are reconstructed and the resplit, the error is fixed. ...
Crash when destroying two components in a specific order in this user's project
UE - Gameplay - Blueprint - Oct 6, 2015Crash when destroying two components in a specific order in this user's project. The crash occurs under two circumstances inside the LogActor Blueprint: either DestroyLogPart is called for both Te ...