This release contains a variety of fixes from 7.3.15.
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 ».
Fix corner cases in pattern matching for psql's \d
Fix index-corrupting bugs in /contrib/ltree (Teodor)
Back-port 7.4 spinlock code to improve performance and
support 64-bit architectures better
Fix SSL-related memory leak in libpq
Fix backslash escaping in /contrib/dbmirror
Adjust regression tests for recent changes in US DST