FILTER_COMMANDLINE_LOGGING cannot be used without forcing UE_COMMAND_LINE_USES_ALLOW_LIST

UE - Core - Systems - Jul 30, 2024

There's two ways to affect the commandline in CommandLine.cpp: FILTER_COMMANDLINE_LOGGING - for filtering certain or all args (if left empty) from the log. UE_COMMAND_LINE_USES_ALLOW_LIST - for on ...

xDatasmith Direct Link models relocate on sync

TM - Interoperability - Jun 3, 2024

Reported by multiple users. Models imported through Datasmith Direct Link can be relocated after a sync, despite no edits to the geometry's location in the DCC program. Currently reported for both ...

360 videos with precipitation will get darker at times

TM - Rendering - Sep 19, 2025

Reported in SF [Link Removed] When exporting 360 videos with precipitation, there may be a noticeable darkening effect in the exported render that fades in and out. This effect is not present in th ...

Provided example Control Rig Python scripts that feature calls to GetControlRigBlueprint need to be updated to GetControlRigAssetInterface.

UE - CAPT - Control Rig - Dec 9, 2025

The unreal.ControlRigContextMenuContext.get_control_rig_blueprint() this function has been deprecated in Unreal Engine 5.7. As a result, the Python scripts included with the Control Rig plugin no ...

"Move to Level" of Landscape Tool leads component scale mismatch

UE - Graphics Tools - Terrain - Landscape - Feb 12, 2026

In UE 5.7.2, when moving a Landscape Component to a sub-level using Landscape Mode > Manage > Move to Level, the proxy transform is not synchronized with the root Landscape when the KeepWorldTransfo ...

Incorrect CRC hash for shared fragments with FInstancedStruct member

UE - Engine Scaling - Mass - Mar 30, 2026

User has encountered an issue with shared fragments that contain a member variable of type FInstancedStruct. It appears that UE::StructUtils::GetStructInstanceCrc32() does not correctly compute the ...

Vulkan crashes on Adreno Galaxy S7

UE - Platform - Mobile - Jan 19, 2017

[CrashReport] Ran out of memory - FFixedUObjectArray::PreAllocate()

UE - Foundation - Core - UObject - Sep 7, 2017

This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 165 if (GWarn) 166 { ...

Folder disappears upon cancelling renaming by pressing ESC key twice

UE - Editor - Content Pipeline - Content Browser - Sep 27, 2017

Working: 4.16 Broken: 4.17.1, 4.17.2, 4.18 When cancelling the renaming of any folder or sub-folder in the Content Browser by pressing ESC key twice, folder or sub-folder will not be visible in Co ...

Renaming assets keeps the old file

Tools - Feb 2, 2018

There is an issue where renaming assets keep the old files, which can easily occur after renaming files after a lunched project. This issue keeps old versions of files, these files keep in the conte ...