PG 18 release notes draft committed

I have committd the first draft of the PG 18 release notes.  The item
count looks strong:

    release-7.4:  263
    release-8.0:  230
    release-8.1:  174
    release-8.2:  215
    release-8.3:  214
    release-8.4:  314
    release-9.0:  237
    release-9.1:  203
    release-9.2:  238
    release-9.3:  177
    release-9.4:  211
    release-9.5:  193
    release-9.6:  214
    release-10:   189
    release-11:   170
    release-12:   180
    release-13:   178
    release-14:   220
    release-15:   184
    release-16:   206
    release-17:   182
    release-18:   209

I will continue improving it until beta 1, and until the final release. 
I will probably add markup in 1-3 weeks.  Let the feedback begin.  ;-)

You can see the most current HTML-built version here:

    https://momjian.us/pgsql_docs/release-18.html

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EDB                                      https://enterprisedb.com

  Do not let urgent matters crowd out time for investment in the future.