I think you are right; the default behaviour seems to have been changed. The default will probably have to be reverted back, but for now you should be able to do this:
if form.process(keepvalues=False).accepted:
I think you are right; the default behaviour seems to have been changed. The default will probably have to be reverted back, but for now you should be able to do this:
if form.process(keepvalues=False).accepted: