Find release information/notes on each PASS release here. Release notes contain important changes in PASS functionality or announcements of bug fixes.
PASS Release 6.0 (Ariba 9r1 Upgrade)

PASS Release 6.08                          PASS Release 7.05                                            
PASS Release 6.09                          PASS Release 7.06 
PASS Release 6.10                          PASS Release 7.07 
PASS Release 6.11                          PASS Release 7.08 
PASS Release 6.12                          PASS Release 7.09 
PASS Release 6.13                          PASS Release 7.10 
PASS Release 6.14                          PASS Release 7.11 
PASS Release 6.15                          PASS Release 7.12
PASS Release 6.16                          PASS Release 7.13
PASS Release 6.17                          PASS Release 7.14
PASS Release 6.18                          PASS Release 7.15
PASS Release 6.19                          PASS Release 7.16
PASS Release 6.20                          PASS Release 7.17 
PASS Release 6.21                          PASS Release 7.18 
PASS Release 6.22 - 6.23                PASS Release 7.19 
PASS Release 6.24                          PASS Release 7.20 
PASS Release 6.25                          PASS Release 7.21
PASS Release 6.26                          PASS Release 7.22
PASS Release 6.27                          PASS Release 7.23
PASS Release 6.28                          PASS Release 7.24
PASS Release 6.29                          PASS Release 7.25
PASS Release 6.31                          PASS Release 7.26
PASS Releases 6.33/6.34                PASS Release 7.27
PASS Release 6.35                          PASS Release 7.28
PASS Release 6.37                          PASS Release 7.29
PASS Release 6.41                          PASS Release 7.31
PASS Release 6.42                          PASS Release 7.32
PASS Release 6.43                          PASS Release 7.33
PASS Release 6.44                          PASS Release 7.34
PASS Release 6.45                          PASS Release 7.35
PASS Release 6.46                          PASS Release 7.36
PASS Release 6.47                          PASS Release 7.37                    
PASS Release 6.50                          PASS Release 7.39
PASS Releases 6.51/6.52                PASS Release 7.40
PASS Release 6.53                          PASS Release 7.41
PASS Release 6.54                          PASS Release 7.42
PASS Release 6.55                         PASS Release 7.43
PASS Release 6.56/6.57                 PASS Release 7.44
PASS Release 6.61/6.62                 PASS Release 7.46
PASS Release 6.63                         PASS Release 7.47
PASS Release 6.64                         PASS Release 7.48
PASS Release 6.65                         PASS Release 7.49
PASS Release 6.66                         PASS Release 7.50