Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Access violation in UE4Editor_Engine!TOctree<TVolumeLightingSample<3>
UE - Graphics Features - Jun 14, 2017This is a common crash in the 4.16 release. The callstack for the issue is essentially the same as [Link Removed], however that issue had confirmed repro steps and was verified fixed for 4.16.0. A ...
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++). ...
Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints
UE - World Creation - Worldbuilding Tools - Level Instances - Oct 27, 2022This is not a regression. Tested in //UE5/Release-5.0 CL 20979098 Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints. Rerunning the Build > Pack Level Ac ...
Crash closing a project that was packaged on Windows for Linux
Tools - May 11, 2017This occurred with both Development and DebugGame build configurations. In the game's console I tried both "quit" and "exit" and reproed the crash. The crash also occurs via Alt + F4 or closing vi ...
Crash in FNiagaraGPUInstanceCountManager::AddDrawIndirect when Android Vulkan Mobile preview platform is enabled
UE - Niagara - Nov 14, 2024In the Android Vulkan Mobile preview mode, when multiple GPU niagara systems are visible and the user moves the camera around the level it can cause a crash, potentially caused by a race condition o ...
Resetting material instance parameters to default value does not update the appearance of the object that the material is applied to
UE - Rendering Architecture - Materials - Mar 10, 2025When a material instance with exposed parameters is applied to a landscape; the parameters set to a new value and then reset to back the default value, the landscape does not respect the new default ...
Crashes when attempting to use an Instanced Struct inside Control Rig / Rig VM
UE - Anim - Rigging - Control Rig - Mar 17, 2025Currently, the Control Rig Editor allows the user to use the "Instanced Struct" type, for example for a variable or function input/output. However, this type does not seem to be properly supported ( ...
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 ...
Data Asset Instances created from Blueprints and are not selectable in asset pickers until their parent Blueprint is loaded. They are also not displayed correctly in the Content Browser
UE - Framework - Blueprint - Sep 3, 2024Consider a C++/BP class containing an EditAnywhere/InstanceEditable variable with type (UDataAsset*), (UPrimaryDataAsset*), or any of their subclasses. When setting this variable using a Property Ed ...