Unreal Engine Issues
Unreal Engine Issues
Specific Blend Mode of Material on UMG render incorrectly when HDR is enabled
UE - Graphics Features - Jan 27, 2022This issue occurs with the Additive and Alpha Holdout settings. ...
FScriptMapHelper::HasKey() and FScriptSetHelper::HasElement() fail on new keys with a substring of another key
UE - Editor - Workflow Systems - Jan 27, 2022Duplicate key checking in maps and sets in the editor is done via calls to FScriptMapHelper::HasKey() and FScriptSetHelper::HasElement(), but this code is checking for object names which are subsets ...
UTextBlock::SetText doesn't work in global invalidation
UE - Editor - UI Systems - Slate - Jan 24, 2022This happens on consoles running in 4k so DPIScale would be 2x. The character between lines is just a newline (Shift + Enter in the text field in editor), the text is set with SetText, possibly a f ...
MoviePipeline: Sequencer 'Lock to Display Rate' breaks temporal sub-sampling
UE - Anim - Sequencer - MRQ - Jan 21, 2022Alembic Caches Not Working With Lumen
UE - Graphics Features - Lumen - Jan 20, 2022It appears that Alembic caches do not influence Lumen's indirect lighting (except for shadowing). Alembic geometry caches should influence lighting in Lumen as any other geometry in a level. I hav ...
The orientation of the tangent space seems wrong with SkinCache recompute tangent enabled
UE - Graphics Features - Jan 19, 2022World Outliner: Selecting Folder fails (needs to be clicked twice)
UE - Editor - Workflow Systems - Jan 7, 2022I've investigated the issue and it is related to TypedElementSelection sending out end of frame selection change events. WorldOutliner when it is the source of a selection change does so inside a r ...
Warning Failed to find object 'Class None.NewBlueprint' appears on any selection ChildActor Component in BlueprintEditor
UE - Gameplay - Blueprint Editor - Dec 14, 2021Summary: The following warning appears on each selection of any ChildActorComponent inside Blueprint Editor:LogUObjectGlobals: Warning: Failed to find object 'Class None.NewBlueprint1' (where NewBl ...
[Audio Analysis][Ensure] - Sound Submix Spectral Analyzer Delegate Throws Ensure when Analysis Started Before the Delegate is Added
UE - Audio - Nov 25, 2021Hit the following Ensure when trying to use the Spectrum Analyser. Also hit this in 4.26 so it doesn't appear to be a regression. Occurs with any of the following Band Settings or when creating you ...
Problem importing broken FBX
UE - Editor - Content Pipeline - Import and Export - Nov 25, 2021An FBX exported from 3DEXCITE DELTAGEN fails to parse correctly in the latest FBX SDK and crashes the UE importer. This FBX is automatically repaired when loaded into Maya (citing "polygons with ov ...