Unreal Engine Issues
Unreal Engine Issues
Using the "Keep World" scale rule can result in incorrect relative location when attaching actors
UE - Gameplay - Components - Dec 9, 2022This seems to happen due to a precision error when calculating the relative transform between the socket and the component being attached. Occasionally, one of the transforms will have a scale of (0 ...
Material slot assignment incorrect after mesh reduction completely removes all triangles from a section
UE - Editor - Content Pipeline - Asset Build - Apr 28, 2022When mesh reduction results in a section becoming empty, the material slots are incorrectly assigned. e.g. if section 0 gets removed due to it having no triangles after reduction, then its material ...
Blueprint actors can not be casted until they have been opened after migration or being upgraded to a more recent engine version
UE - Gameplay - Blueprint - Jan 5, 2023This is not a regression tested in //UE5/Release-5.0 CL20979098 After migrating an asset from an older engine version or upgrading a project to newer version Blueprints carried over can not be cast ...
ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced
UE - Rendering Architecture - Materials - Apr 16, 2024ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced (e.g. RegisterIndex of the texture is [3] or [7]) because FMeshRenderer::RenderMaterialTexCoordScales() use ...
Optimize Data Layer runtime state replication
UE - World Creation - Worldbuilding Tools - Data Layers - Dec 7, 2023[Link Removed]This issue occurs only when I have a lot of RDLs (I tested 2500 and 1600). I tested with 6 RDLs and had no issuesI also noticed in the server log an error when a lot of RDLs are presen ...
New Viewport Resolution setting increases every time a new PIE window is launched
UE - Editor - UI Systems - Slate - Sep 2, 2022When closing a PIE viewport, we write the size back to the New Viewport Resolution setting in case the window was resized during play. However, we do not account for the window border, and write bac ...
ResetToDefault() incorrect behavior with multiple components selected with different defaults
UE - Gameplay - Blueprint Editor - Oct 2, 2023In the blueprint editor when selecting multiple components and resetting a property that exists on both components to its default value, when the components had different default values the editor r ...
Edits to floating point properties do not propagate to blueprint object instances if old values have more than 6 decimals of precision
UE - Editor - Workflow Systems - Apr 28, 2023[Link Removed] JH 2023-04-28 01:12:36 UTC Editing any object's float/double property via an Editor details panel will be truncated if it has more than 6 decimals of precision. (e.g. if I type in 0.12 ...
Oscillating Biquad Filter's Cutoff Frequency results in popping
UE - Audio - MetaSounds - Dec 8, 2022Reproduced 7/10 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Additional Notes:Stacking more Biquad Filters produces a more noticeable effect, but ...
The pak file specified in PakFileRules is not created correctly
UE - Foundation - Core - Aug 8, 2023The rules by which chunks are created are ambiguous and currently do not ensure that both PakFileRules and PrimaryAssetLabel settings are reflected. In this sample, depending on the PrimaryAssetLabe ...