13 June, 2006: PGSv.4 has undergone minor changes and been re-released.

• Muon output has changed.
• The k_T conesize has been changed to 0.5 in the detector parameters file.

14 August, 2006: PGSv.4 had a bug in the Kt jets routine that had potentially severe consequences. Please check the PGS webstie for more information. The impace of this bug on the data sets is still being explored.

30 August, 2006 Results at the LHC Olympics seem to suggest that, for uncertain reasons, the bug mentioned above did not appear to affect the data sets in a severe way. All the black boxes were completely or largely solved! so it can’t have been too terrible. But you should update your version of PGS in any case!!!!!!!!!

Check back here in the future for announcements and updates.