Unreal Engine Issues
Unreal Engine Issues
When Both AnimMontage and AnimationTrack are Playing, the Blending Results are Different from Expectation
UE - Anim - Sequencer - Dec 11, 2018When Slot animation by AnimMontage and AnimationTrack is done at the same time, the blend result differs from expectation. Probably because if AnimMontage's loop playback by EventTrack is executed, ...
BuildGraph builds some tools for Win32 even if Win32 is excluded from the build
UE - Foundation - Cpp Tools - Jan 16, 2019When creating a local binary build of the Engine using the BuildGraph, there are several tools that are built for Win32 even if Win32 was specifically excluded from the BuildGraph (ie. -set:WithWin3 ...
Packaged Dedicated Server will not regenerate navmesh around instanced mesh
UE - AI - Jun 6, 2019The foliage instanced mesh, as well as ISM and HISM components both appears to be unable to export navmesh data for generation once we introduce a change in the contents. This error only shows up in ...
Sequencer bindings are lost when creating Sequence Player after loading a Sublevel
UE - Anim - Sequencer - Jun 26, 2019Sequencer bindings are lost when creating Sequence Player after loading a Sublevel using LoadLevelInstance. This was reported and tested in 4.21.2 (CL-4753647). This was reproduced in 4.22.3 (CL-7 ...
Niagara Sample Static Mesh. Source Not Working
UE - Niagara - Jul 7, 2019Static meshes are not rendered as particles when using the Static mesh module in Niagara and setting its source to a static mesh in the scene. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 7053647), ...
Crash when generating proxy mesh
Tools - Jul 12, 2019Generating a proxy mesh with imported models and the simplify mesh flag set to true causes the editor to crash. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7288428), 4.24 (CL ...
When setting in PreviewGameLaunguage, the package application always adds "culture" to the argument
UE - Editor - UI Systems - Localization - Nov 12, 2020Whenever packaging project from Launcher with a PreviewGameLanguage set, the culture="preview language" is added to the UE4CommandLine.txt file. Can avoid this issue by setting "None" in PreviewGam ...
Shadows can appear interrupted
UE - Graphics Features - May 28, 2021Screenshots of the issue are attached. Shadows can appear interrupted and cut off in UE5 Early Access This issue is occurring in //UE5/Release-5.0-EarlyAccess Binary CL 16433597 This issue is NOT o ...
abnormal planar reflection with niagara
UE - Niagara - Sep 21, 2021repro step:create new projectdownload attached file and unzip to content folderopen the map "newmap" in "app" folderplay in editor and look at the plane (see video) [Link Removed] [Link Removed] ...
Display Texture Atlases in Widget Reflector displaying incorrect tooltips
UE - Editor - UI Systems - Slate - Aug 3, 2023Tooltips within Page 1 of the Texture Atlas Visualizer in Widget Reflector are displaying the incorrect asset. This issue is occurring in Binary //UE5/Release-5.3 at CL 26560699 This issue is occur ...