This release contains fixes from 7.3.19.
A dump/restore is not required for those running 7.3.X.
However, if you are upgrading from a version earlier than
7.3.13, see Section E.162,
« Release 7.3.13 ».
Prevent index corruption when a transaction inserts
rows and then aborts close to the end of a concurrent
the same table (Tom)
Make CREATE DOMAIN ...
DEFAULT NULL work properly (Tom)
Fix crash when log_min_error_statement logging runs out
of memory (Tom)
Require non-superusers who use /contrib/dblink to use only password
authentication, as a security measure (Joe)