Log Message:
Changes 8.0.14:
* Prevent index corruption when a transaction inserts rows and then
  aborts close to the end of a concurrent "VACUUM" on the same table
* Make "CREATE DOMAIN ... DEFAULT NULL" work properly
* Fix excessive logging of SSL error messages
* Fix logging so that log messages are never interleaved when using
  the syslogger process
* Fix crash when log_min_error_statement logging runs out of memory
* Fix incorrect handling of some foreign-key corner cases
* Prevent "CLUSTER" from failing due to attempting to process
  temporary tables of other sessions
* Update the time zone database rules, particularly New Zealand's
  upcoming changes
* Windows socket improvements
* Suppress timezone name (%Z) in log timestamps on Windows because of
  possible encoding mismatches
* Require non-superusers who use "/contrib/dblink" to use only
  password authentication, as a security measure