Does anyone know if the soundtrack for Marius/Fanny by Alexandre Desplat is available somewhere?

nowhere apparently.

Alexandre DESPLAT - Discographie (http://desplat.free.fr/Disco.htm#2013)

Alexandre Desplat: FANNY (2013) Published on 29 Mar 2014 End Credits from Alexandre Desplat's unreleased score for Daniel Auteuil movie. Youtube (https://youtu.be/1OVgkdNFjsU).