A sampling result of DistanceFieldAOHistory is shifted to a wrong position.

UE - Graphics Features - Aug 21, 2024

DistanceFieldAOHistory introduces ghosting at low scalability and low screen percentages. This can lead to AO artifacts and a ghosting effect from the character. This issue was also observed on //U ...

Crash when precaching PSOs for decals from non-game thread

UE - Rendering Architecture - Shaders - Aug 21, 2024

During async loading from an AsyncLoading thread, DecalComponent attempts to precache PSOs which can trigger a checkf in StrongObjectPtr.h which are only allowed to be created on a game thread. ...

Laser scan import: Importing E57 provides the "Operation failed" error

RC - Editor - Aug 21, 2024

Data: [Link Removed] I also tested other E57 files, and they were possible to import. This one is from RTC360.  [Image Removed] ...

Ray traced shadow appears for translucent material after LOD change

UE - Graphics Features - Ray Tracing - Aug 21, 2024

When ray-traced shadows are enabled, the shadow for a completely translucent mesh appears when the LOD changes based on distance. ...

Biquad Filter is incorrect when bandpass is 1.0

UE - Audio - Signal Processing - Aug 20, 2024

The bandwidth on the biquad loepass filter is cutting frequencies well below 20kHz when the bandwidth is 1.0. Slack convo: [Link Removed] Visualization:[Image Removed] ...

EnumRedirections from a Blueprint enum to a c++ enum does not redirect everything correctly.

UE - Foundation - Core - Aug 20, 2024

There is an engine bug when using the EnumRedirects feature inside a config file. If we have a Blueprint Enum used in our blueprints, and we want to convert all the Blueprint enum references to a C+ ...

Confirmation Dialog common UI in the Lyra Starter Game loses focus for gamepads after closing.

UE - Editor - UI Systems - Aug 20, 2024

When changing the language options in the default Lyra Starter Game project (5.3 and 5.4) with a controller, the settings menu loses focus after closing the confirmation dialog. Focus can only then ...

Default Data Wire Thickness in the Editor Preferences only affects Single Value data wires. Containers (Array, Set, Map) line thickness are wrongly tied to Default Execution Wire Thickness.

UE - Gameplay - Blueprint Editor - Aug 19, 2024

Changing the "Editor Preferences > Content Editors > Graph Editors > Tracing > Default Data Wire Thickness" value in the "Editor Preferences" only affects single value data wires. Containers (Array, ...

Blueprint Struct Issues - Data table wiped data

UE - Gameplay - Blueprint Compiler - Aug 19, 2024

The user has come across various issues with using nested blueprint structs within a data table. The first issue relates to changing a variable in a child struct and setting it back then saving, cau ...

"Assertion failed: CellIndex < CellIndexMax" when there are a lot of HISM foliage in a level

UE - World Creation - Worldbuilding Tools - Foliage - Aug 19, 2024

Users have come across an issue in 5.4 that causes an assert when many foliage or HISM objects are placed in a level due to a cell size limit. ...