Doc: update 11.4 release notes through today.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: f5ee6a7acc5db0d77f73aa1db531a684179b5478
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2019-06-16T18:47:34Z
Releases: 11.4
Doc: update 11.4 release notes through today.

Also improve wording of some items (thanks to Noah Misch for suggestions).

Files

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doc/src/sgml/release-11.sgml modified +37 −8

Documentation touched