Unreal Engine Issues
Unreal Engine Issues
Output velocity on translucent objects does not work properly
UE - Rendering Architecture - Materials - Jun 12, 2024From UDN: [Link Removed] There is a bug in the output velocity for translucent objects in Unreal Engine 5. Specifically, when a material instance has the "output velocity" override flag enabled, bu ...
Unable to fix up redirector of assets used in level instances
UE - World Creation - Worldbuilding Tools - Level Instances - Jun 12, 2024If another persistent level is open, the fix up can work. ...
Address Sanitiser in MSVC incorrectly identifies a non-virtual destructor, but the class is not polymorphic
UE - Rendering Architecture - Shaders - Jun 11, 2024When built with Address Sanitiser, the engine can except in FShaderPipeline::FindOrAddShader on deletion of the Shader pointer. This appears to be in error as FShader is asserted to be non-polymorp ...
Simulate motion vectors can fail on camera cuts
UE - Anim - Sequencer - Jun 11, 2024r.MotionVectorSimulation 1 should simulate motion vectors when cutting cameras, but this appears to be broken on some loops. ...
AlwaysTickPose is prone to double firing notifies in a dedicated server setup.
UE - Anim - Gameplay - Jun 11, 2024See UDN for more info: https://udn.unrealengine.com/s/question/0D5QP00000MfU8l0AF/uanimnotifynotify-is-called-twice-for-the-same-notify-on-server-in-a-multiplayer-game ...
Race condition between D3D12 Buffer Defrag and View creation
UE - Rendering Architecture - RHI - Jun 11, 2024A UDN user reported that the D3D12 resource allocator defragmentation operation races with view creation. View creation needs to be always deferred to the RHI thread. ...
[PCG] Delayed PCG Component Unregister causing stale pointer crash
UE - World Creation - Procedural Tools - PCG Component - Jun 11, 2024Missing display units initialization from project settings
UE - Editor - Workflow Systems - Jun 11, 2024From customer: Hi there, I stumbled upon a bug where the display units as set in the Project Settings under the Editor Appearance category for properties were not getting displayed properly and was ...
RVT Tiles Update Slowly When Enabling Nanite Tessellation On Landscapes
UE - Graphics Features - Nanite - Jun 11, 2024RuleProcessor is not listed in the Window menu in 5.4
UE - Editor - Workflow Systems - Jun 11, 2024Since CL-28416011, Sections in Window menu are broken and the RuleProcessor can not be registered in the menu. (See attached imanges) Following workaround restores the sections and fixes the issue. ...