Python State - Improve interaction performance

• Add flags to python states to control the viewport redraw and mouse drag events.
• Make flags available to all state handlers.

Python States - Add icon strip options to build menu parm

• This fix allows using a menu as a button strip
• The strip can have icon if the menu was registered with icons.

TOPs desktop now starts in /tasks.

TOPs desktop now starts in /tasks.

TOPs desktop now starts in /tasks.

TOPs desktop now starts in /tasks.

TOPs desktop now starts in /tasks.

Fixed a bug where the SOP Import LOP did not correctly import array attributes with empty values. This could cause errors later on, e.g. in the Cache LOP.

Fixed a bug where the SOP Import LOP did not correctly import array attributes with empty values. This could cause errors later on, e.g. in the Cache LOP.

Fixed a bug where the SOP Import LOP did not correctly import array attributes with empty values. This could cause errors later on, e.g. in the Cache LOP.

Fixed a bug where the SOP Import LOP did not correctly import array attributes with empty values. This could cause errors later on, e.g. in the Cache LOP.

Fixed a bug where the SOP Import LOP did not correctly import array attributes with empty values. This could cause errors later on, e.g. in the Cache LOP.

Render settings primitives no longer need a camera reference in order for their settings to be applied to a viewport render.

Render settings primitives no longer need a camera reference in order for their settings to be applied to a viewport render.

Render settings primitives no longer need a camera reference in order for their settings to be applied to a viewport render.

Render settings primitives no longer need a camera reference in order for their settings to be applied to a viewport render.

Render settings primitives no longer need a camera reference in order for their settings to be applied to a viewport render.

Geometry spreadsheet will no longer crash with non-attribute columns, this broke with 18.0.281.

Fixed OCIO reload when colorspace names between the new and old config matched and were previously used.

Fixed OCIO reload when colorspace names between the new and old config matched and were previously used.

Fixed OCIO reload when colorspace names between the new and old config matched and were previously used.

Fixed OCIO reload when colorspace names between the new and old config matched and were previously used.

Fixed OCIO reload when colorspace names between the new and old config matched and were previously used.

The name of "Use Texture Alpha" parameter that was added to the principled shader in 18.0.279 was changed for consistency with other existing parameters.

Fixed a bug where single-vertex curves in the Sweep 2.0 SOP were resulting in invalid transforms applied to the cross sections.