For a list of 2.8-stable packages errata, click here.
For a list of 2.9-stable packages errata, click here.
For a list of 3.0-stable packages errata, click here.
For a list of 3.1-stable packages errata, click here.
For a list of 3.2-stable packages errata, click here.

This is an abbreviated change list for OpenBSD 3.3-stable packages:

courier-imap-1.7.1 i386

bug fix

courier-ldap-1.7.1 i386

bug fix

courier-mysql-1.7.1 i386

bug fix

courier-pgsql-1.7.1 i386

bug fix

courier-pop3-1.7.1 i386

bug fix

snort-2.0.0.tgz i386

security fix

samba-2.2.8a i386

security update

netpbm-9.24p1 i386

math overflow fixes

BitchX-1.0c18p1 i386

buffer overflow fixes

kdebase-3.1p0 i386

security fix

kdegraphics-3.1p0 i386

security fix

kdelibs-3.1p0 i386

security fix