Unreal Engine Issues
Unreal Engine Issues
NetMulticast function will force non relevant Actors to be relevant for a few seconds before they become non-relevant again
UE - Networking - Sep 19, 2016If a NetMulticast function is calledl, it will force non-relevant Actors to become relevant for a few seconds before going back to non-relevant. ...
When the Groom asset LOD switches from Strands to cards, hair rendering is stuttered
MetaHuman - Feb 3, 2024It only happens when changing LOD from strands to cards.not in situations where changing LODs from cards to cards, cards to strands, strands to strands. The card meshes are not rendered immediately ...
Graphical Artifacts in Editor with Macs using Certain AMD Graphics Cards
UE - Graphics Features - Sep 17, 2015Users are reporting black and splotchy like graphical issues in their projects when working on a Mac and using an AMD graphics card. The user in the link provided mentions, "that UE 4.8.3 is withou ...
SCS child scene component instances can be registered out-of-order with non-scene component instances (regression).
UE - Gameplay - Components - Sep 7, 2016This behavior is a regression in 4.12. Essentially we switched to attaching child components as part of the OnRegister() logic. This caused all root-level SCS components (including non-scene compone ...
Preserve Non-Uniform Scale doesn't work for child actors
UE - Gameplay - Components - Feb 16, 2017Preserve Non-Uniform Scale doesn't work for child actors when they are scaled smaller than the parent. Licensee Description: I just noticed that the option does not seem to work if the object is p ...
Assert crash when playing Groom Cache with Card Mesh LOD
UE - Rendering - Graphics Features - May 29, 2026Playing a Guides Groom Cache while Card Mesh LOD (Guide-Based) is active causes an assert in RunHairStrandsInterpolation_Cards when the renderer switches to Card LOD. Assert location:Plugins/Runtim ...
Cards for a Groom asset do not update normals during simulation
UE - Rendering - Graphics Features - Feb 13, 2025When a groom is allowed to simulate, only the strand representation computes correct world normals for the new hair strand positions. This is especially noticeable when the groom is inverted as grav ...
Open Level Crash in Gear VR
UE - Platform - XR - Oct 5, 2016Projects using Open Level (blueprints) or ServerTravel (in C++) will crash the application once it's open on a device using Gear VR Mode. 10-05 18:01:46.451: A/art(19619): sart/runtime/check_jni.cc ...
Landscape 'crack free displacement' option causes landscape layer coords and UVs to be wrong
UE - LD & Modeling - Terrain - Landscape - Aug 25, 2015If you check the 'crack free displacement' option in a landscape material, it seems to break the results of both the landscape layer coords and regular UV input node. Worldposition is not affected. ...
Gear VR renders first frame non-stereo
UE - Platform - XR - Oct 1, 2015When launching Gear VR game on Android the first frame will render as Non-Stereo before flashing to be in stereo mode. This was not happening when tested with a 4.8 project. Tested in MAIN on CL-2 ...