Simplify the XNAT data sink.
Make a SHA-1 digest directory name for long parameterizations.
The ANTS 1.9 affine map is Affine.mat.
use_histogram_matching can be a Bool which applies to all transforms. The default is True.
Add postfix file name input option.
 Update the shape and slice dimension after a meta extension update.
Remove unused line.
Forego iterable param merge if there are no iterables.
Disable the ants Registration interface sigma_units vox value until it works in an ANTS release.
Format the smoothing-sigmas option without a unit if none is supplied.
Set the input values.
Remove unused line.
Remove unused kwargs Workflow parameter.
Add join feature.
Refactor join into JoinNode rather than a Join interface.
Clean up white space.
Remove obsolete joinsource Node init parameter.
Validate the join fields.
Set a non-list join field item type to Any.
Clean up white space.
Iterate with nodes_iter rather than nodes.
Support a Set join field.
Support an identity join node.