Soft actor references can no longer be set in DataTables

UE - Gameplay - Blueprint Editor - Feb 9, 2021

As part of [Link Removed], it was changed so soft actor references cannot be set in the editor for structure defaults. This is desired because the serialization behavior for defaults is complicated ...

Using Select Objects in Sequencer Scripting only selects one object

UE - Anim - Sequencer - Feb 8, 2021

Select Objects calls FSequencer::SelectObject which empties the selection before selecting an object, so Select Objects can only select one object at a time, despite taking an array of object bindin ...

DSymUtil Crashing - Out of Memory

UE - Platform - Mobile - Feb 8, 2021

DsymUtil is failing to produce .dSYM files, and it seems that this issue is related to when the .dSYM file's final size is greater than 5GB.  It is failing with the following message. UATHelper: P ...

Editor added components can fail to attach to a native root component

UE - Gameplay - Blueprint - Feb 8, 2021

An actor instance's editor added components can fail to attach to the root component of the actor when changing the native root component's mobility from static to movable. The failure happens durin ...

SetEditorProperty does not propagate changes to loaded children blueprints

UE - Editor - Workflow Systems - Feb 8, 2021

Changes on the Blueprint Editor are immediately propagated to the child blueprints. ...

Niagara Simulation Stage + DynamicMaterialParameters crash

UE - Niagara - Feb 6, 2021

deleting the code "&& SimulationStages[i]->bEnabled" in UNiagaraEmitter::GetScripts will bypass the problem [Image Removed] ...

ForceFeedback Component - OnForceFeedbackFinished delegate isn't broadcast

UE - Gameplay - Input - Feb 5, 2021

The OnForceFeedbackFinished delegate isn't broadcast anywhere, so binding to it doesn't do anything. ...

Expanded vector parameters in Material Layer instance properties stay greyed out when override enabled

UE - Rendering Architecture - Materials - Feb 5, 2021

This only seems to happen when the vector parameter is expanded, not when it's collapsed. Collapsing and re-expanding the parameter seems to clear the issue as well. The material seems to use the o ...

Deleting a material layer from a stack, re-linking the layers, then deleting that layer again crashes the editor

UE - Graphics Features - Feb 5, 2021

The important step here is to unlink the middle layer after first relinking everything. ...