Plone 4.2 pins `plone.namedfile = 1.0.6`; are we completely sure that this pinning is not going to break anything?

does release 2.0 of plone.namedfile is just a bug fix release or does it breaks compatibility in some way? I'm not sure.

https://github.com/plone/plone.namedfile/blob/master/docs/HISTORY.txt