The Convert COP now has an optional second input, which can be used as a reference list of plane formats to convert to.

The Convert COP now has an optional second input, which can be used as a reference list of plane formats to convert to.

The Convert COP now has an optional second input, which can be used as a reference list of plane formats to convert to.

The Convert COP now has an optional second input, which can be used as a reference list of plane formats to convert to.

Added a Color Correct COP to do a variety of color operations on the shadow, midtone and highlight areas of the image.

Added a Color Correct COP to do a variety of color operations on the shadow, midtone and highlight areas of the image.

Added a Color Correct COP to do a variety of color operations on the shadow, midtone and highlight areas of the image.

Added a Color Correct COP to do a variety of color operations on the shadow, midtone and highlight areas of the image.

Added a Color Correct COP to do a variety of color operations on the shadow, midtone and highlight areas of the image.

The SOP group menus, such as the one on the Delete SOP, place a * after any group name which is already in the parm. This allows one to tell quickly what groups have been already added.

The SOP group menus, such as the one on the Delete SOP, place a * after any group name which is already in the parm. This allows one to tell quickly what groups have been already added.

The SOP group menus, such as the one on the Delete SOP, place a * after any group name which is already in the parm. This allows one to tell quickly what groups have been already added.

The SOP group menus, such as the one on the Delete SOP, place a * after any group name which is already in the parm. This allows one to tell quickly what groups have been already added.

The SOP group menus, such as the one on the Delete SOP, place a * after any group name which is already in the parm. This allows one to tell quickly what groups have been already added.

When you have a point group and primitive group of the same name, you no longer have the Delete SOPs group selector start choosing the wrong group from the popup menu.

The Delete SOP and similar SOP's group selector will also now properly put a separator between the primitive and point groups, and list them separately.

When you have a point group and primitive group of the same name, you no longer have the Delete SOPs group selector start choosing the wrong group from the popup menu.

The Delete SOP and similar SOP's group selector will also now properly put a separator between the primitive and point groups, and list them separately.

When you have a point group and primitive group of the same name, you no longer have the Delete SOPs group selector start choosing the wrong group from the popup menu.

The Delete SOP and similar SOP's group selector will also now properly put a separator between the primitive and point groups, and list them separately.

When you have a point group and primitive group of the same name, you no longer have the Delete SOPs group selector start choosing the wrong group from the popup menu.

The Delete SOP and similar SOP's group selector will also now properly put a separator between the primitive and point groups, and list them separately.

When you have a point group and primitive group of the same name, you no longer have the Delete SOPs group selector start choosing the wrong group from the popup menu.

The Delete SOP and similar SOP's group selector will also now properly put a separator between the primitive and point groups, and list them separately.

When creating a Reference Copy of a node, Houdini now uses the !!ch()!! style of channel reference for all parameter types that previously would not be referenced at all (such as check boxes and menus).