# 0.61.13.0¶

## Features¶

• USDLayerWriter : Added a new node for baking the difference between two Gaffer scenes into a minimal USD layer on disk.
• USDAttributes : Added a new node for setting USD’s kind and purpose.

## Improvements¶

• Light Editor : Added support for editing visualisation attributes of lights.
• CameraTweaks : Added Create mode. This should be used in preference to Replace mode when the parameter may not exist.
• PathFilter : Added the ability to select scene locations from currently selected filter entries.

## Fixes¶

• SceneWriter : Fixed bug which caused sibling locations to be reordered.
• Fixed error ShaderQuery : "outPlug" is missing when promoting a child plug of a query to a Spreadsheet.
• Adding a child plug of a query to a Spreadsheet now uses the default name for the spreadsheet column.
• Spreadsheet : Fixed missing Remove TweakPlug mode presets.
• SceneAlgo : Fixed attributeHistory() results involving an AttributeTweaks node with localise enabled.
• TweakPlug : Added Create mode.
• VectorDataWidget : Added dataMenuSignal for constructing the context menu. Classes can add their own slots to this signal to modify the context menu. Derived classes should use it in favor of _contextMenuDefinition().