Unreal Engine Issues
Unreal Engine Issues
Keep Simulation Changes will persist only a subset of changed properties
UE - Editor - Jan 10, 2025As per the steps to reproduce, Keep Simulation Changes will often only copy back the most recent property changed on a simulating Actor back to the version of the Actor in the Editor level. It is no ...
Exponential Editor Slate Performance Cost When Editing An Asset With Nested Instanced Structs
UE - Editor - Workflow Systems - Feb 20, 2024UDN Issue: [Link Removed] ...
Compilation error with Evaluate Chooser node when getting All Results from Subclass Of table
UE - Anim - Gameplay - May 22, 2025Trying to use the Evaluate Chooser node in the All Results mode with a chooser table that returns the Subclass Of type results in a compilation error ("Array of Actor Object References is not compat ...
Ensure in AR Template on Android
UE - Platform - XR - Jan 5, 2023Regression: Tested in UE5/Release-5.0, this issue did not occur so it is a regression. ...
Cannot build project for Shipping when bUseLoggingInShipping is set to true for a project that uses replicated properties
UE - Foundation - Core - Mar 22, 2018Enabling bUseLoggingInShipping for a project prevents the project from being built for Shipping if the project includes replicated properties. This is only an issue with binary builds of the Engine. ...
[CrashReport] UE4Editor_CoreUObject!UObjectPropertyBase::Identical() [propertybaseobject.cpp:60]
UE - Foundation - Cpp Tools - Hot Reload - Nov 17, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...
Nanite can assert in ValidateFixupChunk: 'Assertion failed: HierarchyNodeIndex < Resources.NumHierarchyNodes'
UE - Graphics Features - Nanite - Aug 29, 2024Reported by a licensee. More discussion in the linked UDN case. "Sometimes the WorldPartitionBuilderCommandlet will fail after encountering this error:" Error: Assertion failed: HierarchyNodeIndex ...
Crash when travelling during ability activation when URL contains "#"
UE - Framework - Jul 18, 2025This issue is related to [Link Removed], where the "?listen" option sent on the URL to clients could cause issues with RPCs being called locally during travel. The fix to remove the "?listen" option ...
Sprite collision is inaccurate
UE - Gameplay - Paper2D - Oct 31, 2014Sprite collisions do not accurately reflect the collision for the sprite. While the collisions are always the same between two of these, the collisions do not correspond to the shape of the collisio ...
Code classes that include a CableComponent cannot be built in Visual Studio without making a modification to the CableComponent.h file in source code.
UE - Gameplay - May 14, 2015Adding a cable component to a custom code class will result in a build failure in Visual Studio unless the Cable Component's source code is modified to include CABLECOMPONENT_API. ANSWERHUB:https:/ ...