Unreal Engine Issues
Unreal Engine Issues
Warning in Net.PacketNotify Test
UE - Networking - Jan 27, 2021Warning when running the packet notify test, regarding missed acks. ...
When changing the Material of a CompleCollision during PIE, the change is not applied to the PhysicsMaterial.
UE - Simulation - Physics - Nov 24, 2022If changing the material during PIE, the content of the material will be reflected immediately, but the physics material will not. Once the Mesh (Complex Collision Mesh) is cleared and reset, it wil ...
Moving a static mesh placed across world partition grids does not properly move the foliage instance on it
UE - World Creation - Worldbuilding Tools - Foliage - Apr 18, 2023[MetaSounds][Builder API] - Editor crashes when setting node position to a large value
UE - Audio - MetaSounds - Aug 9, 2023Setting the location of a node a the MetaSound Editor Subsystem to a very large value crashes the editor.Unhandled Exception: EXCEPTION_STACK_OVERFLOW Crash reporter link: [Link Removed] ...
Unable to recapture the network channel data after stop the profile
UE - Foundation - Insights - Oct 18, 2023It appears that networking insights data is not being gathered when a delay capture is started with the "trace.send" or "trace.start" command. If we were starting from the application startup time w ...
Outline artefact on cascade shadow transition
UE - Graphics Features - Mar 28, 2024Some pixels at the edge between cascaded shadow maps and distance field shadows can be skipped by both, leading to unshadowed pixels. Licensee reports the bug happening in 5.3 as well. Test project ...
Subsurface Scattering Checkerboard with SceneColourFormat 3 (High Scalability) leads to a visual artefact when temporal upscaling is in use
UE - Graphics Features - Sep 30, 2024Primarily visible at very low internal resolutions (25-33%), the SSS checkerboard with an RGB scene colour format (r.SceneColorFormat 3) causes a double-image artefact both internally and on the sil ...
"Corrupted" .TM file is created on disk when user is missing space
TM - Core - Nov 8, 2024Nanite TwoSidedSign is backwards
UE - Graphics Features - Nanite - Apr 10, 2025The value of MaterialExpressionTwoSidedSign is flipped when calculating the Opacity Mask for Nanite meshes. This seems to be a regression in 5.5. ...
Replication default setting of child blueprint resets if parent is compiled
UE - Gameplay - Blueprint - Jul 20, 2015The setting for Replication on a Blueprint variable resets to None of the Blueprint's parent BP is compiled. ...