1.3.12.0

Improvements

SceneReader : Added basic loding of UsdGeomNurbsCurves, converting them to CurvesPrimitives (basis curves).
Console output : Every line is now prefixed with the message level.
RenderPasses : Added validation of render pass names entered in the names plug.
RenderPassEditor :
- Added support for adding a new render pass to an EditScope by clicking the plus button at the bottom of the editor.
- Added support for deleting selected render passes by clicking the minus button at the bottom of the editor, or by right-clicking one of the names and selecting ‘Delete Selected Render Passes’.

Viewer : Fixed context handling bug in the shader view (#5654).
PythonCommand : Fixed misleading results for repr( variables ) and str( variables ), which would suggest the dictionary was empty when it was not.
CompoundObject : Fixed crashes in Python bindings caused by passing None as a key.
Windows : Fixed “{path} was unexpected at this time.” startup error when environment variables such as PATH contain " characters.
PathListingWidget : Fixed bug which caused the pointer to be stuck displaying the “values” icon after dragging cells with no value.
SceneAlgo : Fixed computation of history through Expression nodes.
LightTool : Fixed crash when deleting the node being viewed.
USD : Fixed loading of Arnold lights previously exported from Gaffer to USD.
Catalogue : Fixed connection delays on Windows.
Context : Fixed potential crash when setting a variable with ownership.

Added Render Pass Editor shortcuts to the “Controls and Shortcuts” section.
Added Render Pass Editor (Arnold) example demonstrating use of the Render Pass Editor, as well as the RenderPasses and RenderPassWedge nodes.

EditScopeAlgo : Added support for creating render passes.
RenderPasses : Added registerRenderPassNameWidget() and createRenderPassNameWidget() methods for registration and creation of the widget used for editing render pass names.
RenderPassEditor : Added addRenderPassButtonMenuSignal() to allow customisation of the add render pass button behaviour.
ConfirmationDialogue : The cancel button may now be omitted by passing cancelLabel = None to the constructor.