Lustre-v4 distribution release 
The current versions of the executables are :

pollux  Version 2.4 (front-end)
ec2oc   Version 4.6.30
ocmin   Version 1.0 
oc2atg  Version 0.4 
poc     Version 1.1 
ec2c    Version 0.67 
lesar   Version 1.53 (ecverif)
ecexe   Version 2.2 
luciole Version 1.74 (simec)
sim2chro    Version 4.0 alpha (X11)
sim2chrogtk Version 4.3 gtk2 (gtk2)
xlesar  Version 1.53