Prevent index corruption when a transaction inserts rows and
then aborts close to the end of a concurrent VACUUM
on the same table (Tom)
Fix ALTER DOMAIN ADD CONSTRAINT for cases involving
domains over domains (Tom)
Make CREATE DOMAIN ... DEFAULT NULL work properly (Tom)
Fix some planner problems with outer joins, notably poor
size estimation for t1 LEFT JOIN t2 WHERE t2.col IS NULL
(Tom)
Allow the interval data type to accept input consisting only of
milliseconds or microseconds (Neil)
Allow timezone name to appear before the year in timestamp input (Tom)
Fixes for GIN indexes used by /contrib/tsearch2 (Teodor)
Speed up rtree index insertion (Teodor)
Fix excessive logging of SSL error messages (Tom)
Fix logging so that log messages are never interleaved when using
the syslogger process (Andrew)
Fix crash when log_min_error_statement logging runs out
of memory (Tom)
Fix incorrect handling of some foreign-key corner cases (Tom)
Fix stddev_pop(numeric) and var_pop(numeric) (Tom)
Prevent REINDEX and CLUSTER from failing
due to attempting to process temporary tables of other sessions (Alvaro)
Update the time zone database rules, particularly New Zealand's upcoming changes (Tom)
Windows socket and semaphore improvements (Magnus)
Make pg_ctl -w work properly in Windows service mode (Dave Page)
Fix memory allocation bug when using MIT Kerberos on Windows (Magnus)
Suppress timezone name (%Z) in log timestamps on Windows
because of possible encoding mismatches (Tom)
Require non-superusers who use /contrib/dblink to use only
password authentication, as a security measure (Joe)
Restrict /contrib/pgstattuple functions to superusers, for security reasons (Tom)
Do not let /contrib/intarray try to make its GIN opclass
the default (this caused problems at dump/restore) (Tom)