UGS scheduled sync doesn't account for sleeping machine

UE - Foundation - UGS - Mar 4, 2025

Source [Link Removed] As a developer, I would like to have my scheduled syncs in UGS be honoured during computer sleep so that I can have my computer in sleep for the most part, and have it wake wh ...

FBX import freezes in DataPrep

UE - Editor - Content Pipeline - Visual Dataprep - Mar 3, 2025

FBX file import freezes UE while trying to import into DataPrep by the Interchange importer. The import will start, but then a message will pop up stating "Creating snapshot of world content ... " ...

Materials for certain groups appear black in Path tracer when "Keep hierarchy" is used to import .skp files.

TM - Interoperability - Mar 3, 2025

Reported by a client in SF [Link Removed] When importing SKP files using the Keep Hierarchy collapse mode, some imported objects in Groups inside SketchUp will appear black in Path Tracer. Appears ...

Crash when using a bitmap in a material.

TM - Core - Mar 3, 2025

see repro steps: direct crash the material comes from FAB model:  [Link Removed] ...

When using 'r.VT.SplitPhysicalPoolSize 64' with nanite meshes, mesh painting does not update in real time (only updates after stroke finished), duplicates mesh painting across separate instances of a mesh, and sometimes doesn't show up in PIE.

UE - Rendering Architecture - Mar 3, 2025

When using Mesh Painting on nanite meshes in 5.5 with 'r.VT.SplitPhysicalPoolSize' set to non-zero values (e.g. 16, 64), several issues occur, such as: 1. Painting doesn't update in real time (only ...

NiagaraSystem with EniagaraGpuComputeTickStage::PostInitViews rarely crashes due to multi-thread race conflicts

UE - Niagara - Mar 1, 2025

NiagaraSystem with EEiagaraGpuComputeTickStage::PostInitViews should not have bSupportsParallelGDME because of possible multi-threaded contention, but FNiagaraSystemInstanceController::GetGpuCompute ...

Camera Animation imported through Sequencer with FBX sometimes loses rotation fidelity

UE - Anim - Sequencer - Feb 28, 2025

FBX attached[Link Removed] ...

Regression: Several project settings, especially from built-in Plugins, are being silently erased when previously they were not, which is perceived as a bug

UE - Foundation - Feb 28, 2025

In UE's Project Settings, some pages are saved automatically to the project's "Config/Default<CATEGORY>.ini" file (meant to be version-controlled) on every change. Other pages have buttons "Set as D ...

Crash when searching for a string with the same name as the collection

UE - Editor - Content Pipeline - Content Browser - Feb 28, 2025

The editor crashes when creating a local collection of the same name by typing certain characters in the search box of the content browser. This does not reproduce in UE5.4 and is a regression in UE ...