EditInlineNew properties on components don't work if the component name has whitespace

UE - Gameplay - Blueprint Editor - Feb 1, 2022

EditInlineNew properties on components can't be properly set if the component name has whitespace in it. This appears to be a problem with resolving the property name in SPropertyEditorEditInline::O ...

abnormal sound output on UMG animation track

UE - Anim - Sequencer - Jan 28, 2022

Sound repeated at initial frame only on 4.27. it was worked fine on 4.26 and 4.25 It is probably a side effect caused by the sequencer changes below.​ Sequencer: Move Finalization phase back onto ...

Set Niagara Variable (Object) for Texture Object fails

UE - Rendering - Niagara - Jan 28, 2022

Set Niagara Variable (Object) does not work for texture objects. ...

Specific Blend Mode of Material on UMG render incorrectly when HDR is enabled

UE - Rendering - Jan 27, 2022

This 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 - UX - Jan 27, 2022

Duplicate 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 ...

Touch position return wrong value if the orientation of the terminal is changed after startup

UE - Platform - Mobile - Jan 26, 2022

Touch position return wrong data on Pixel 6 and Android 12. it does not occur unless the device is rotated from the initial state. As far as I investigate, the touch position only return data from ...

Niagara Dynamic Parameters do not reflect layers in material instances.

UE - Rendering - Niagara - Jan 19, 2022

The names of dynamic parameters in material layers do not seem to update from material instances.  ...

Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling

UE - Editor - Framework - Python - Jan 11, 2022

This is a regression.This does not affect UE5. Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling. In 4.26 and UE5 the code compiles without issue, and the user ...

BulkDataManifest asset is non-deterministic

UE - Foundation - Core - Cooker - Jan 11, 2022

FPackageStoreBulkDataManifest:: Data ** is not sorted. It generates a difference, Here's a workaround void FPackageStoreBulkDataManifest::Save() { TUniquePtr<FArchive> BinArchive(IFileManager:: ...