Unreal Engine Issues

Crash when adding SK_Mannequin to a Level Sequence in QAGame

This crash only occurs when the asset is dragged and dropped into the level. Workaround Add the asset to the level, then to the sequence. NOTE This does not occur in //UE4/Main ...

Static mesh cube with 3 convex elements jitters when enlarged and settling on a convex static mesh at 30 FPS

FRayTracingGeometryManager::Tick() called twice during a single frame

UDN licensee Prophecy Games has encountered an issue in which the RaytracingGeometry::Tick() function is called twice during a single frame. This causes an assert to trigger, which blocks them from ...

UFE Deploying and launching a packaged build on Linux fails due to invalid directory

Deploying and launching a packaged project, using a Custom Launch Profile that is set to copy the project to a repository, fails due to a missing /. I do not see this issue when running a Quick Lau ...

[CrashReport] UE4Editor-CoreUObject!FPropertyProxyArchive::operator<<(FField * &) [PropertyProxyArchive.h:45]

Generated from CrashReporter Error message - Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address [different address per crash] ...

Material LocalPosition node does not work correctly with Nanite Skinned meshes

Nanite Skinned Meshes don't receive the correct Local Position in some shadow passes. This depends on the clipmap level, and is not related to VSM caching. Unreal Engine 5.6 shows the same issue, b ...

Overlap trigger on Event Begin Play doesn't work after converting project from 4.7.6 to 4.8 P2

Overlap trigger on Event Begin Play doesn't work after converting project from 4.7.6 to 4.8 P2. The user thought this was related to using Custom collision object types but it is reproducible with ...

Crash playing in viewport with a character that has a Wheel Class

Crash occurs when playing in editor with a character that has a Simple Wheeled Vehicle Movement Component, with a Wheel Class assigned to it. This crash seems to only occur if Don't Create Shape is ...

changing localization does not change text in PIE

When switching localization for testing, text does not change language in PIE. ...

Deleting a Sync Marker created by an Animation modifier deletes all Sync Marks made by the Animation Modifier

Using the delete key or context menu to delete a single sync marker created by an Animation Modifier deletes all sync markers created by the Animation Modifier. If all the markers are deleted, and ...