Mention synchronize_seqscans GUC variable in release notes. Update expected release date.
Mention synchronize_seqscans GUC variable in release notes.
Update expected release date.

Quikling/gpdb,0x0FFF/gpdb,postmind-net/postgres-xl,edespino/gpdb,rvs/gpdb,xinzweb/gpdb,chrishajas/gpdb,zaksoup/gpdb,kmjungersen/PostgresXL,lintzc/gpdb,xuegang/gpdb,snaga/postgres-xl,techdragon/Postgres-XL,kaknikhil/gpdb,CraigHarris/gpdb,0x0FFF/gpdb,greenplum-db/gpdb,tpostgres-projects/tPostgres,yuanzhao/gpdb,zaksoup/gpdb,cjcjameson/gpdb,edespino/gpdb,xinzweb/gpdb,kaknikhil/gpdb,janebeckman/gpdb,lisakowen/gpdb,chrishajas/gpdb,xuegang/gpdb,adam8157/gpdb,cjcjameson/gpdb,zaksoup/gpdb,lintzc/gpdb,0x0FFF/gpdb,adam8157/gpdb,0x0FFF/gpdb,Quikling/gpdb,chrishajas/gpdb,xinzweb/gpdb,greenplum-db/gpdb,rvs/gpdb,janebeckman/gpdb,rvs/gpdb,adam8157/gpdb,edespino/gpdb,Postgres-XL/Postgres-XL,yuanzhao/gpdb,snaga/postgres-xl,jmcatamney/gpdb,kaknikhil/gpdb,Postgres-XL/Postgres-XL,janebeckman/gpdb,Quikling/gpdb,greenplum-db/gpdb,ovr/postgres-xl,rvs/gpdb,arcivanov/postgres-xl,zeroae/postgres-xl,50wu/gpdb,edespino/gpdb,ahachete/gpdb,zeroae/postgres-xl,ovr/postgres-xl,techdragon/Postgres-XL,chrishajas/gpdb,Chibin/gpdb,pavanvd/postgres-xl,chrishajas/gpdb,janebeckman/gpdb,yuanzhao/gpdb,0x0FFF/gpdb,zaksoup/gpdb,yazun/postgres-xl,zaksoup/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,ahachete/gpdb,xuegang/gpdb,xinzweb/gpdb,jmcatamney/gpdb,rvs/gpdb,techdragon/Postgres-XL,pavanvd/postgres-xl,tpostgres-projects/tPostgres,jmcatamney/gpdb,lintzc/gpdb,xuegang/gpdb,royc1/gpdb,rvs/gpdb,lisakowen/gpdb,royc1/gpdb,royc1/gpdb,ashwinstar/gpdb,50wu/gpdb,rvs/gpdb,Postgres-XL/Postgres-XL,lintzc/gpdb,Chibin/gpdb,xuegang/gpdb,kaknikhil/gpdb,kmjungersen/PostgresXL,Chibin/gpdb,kmjungersen/PostgresXL,cjcjameson/gpdb,xinzweb/gpdb,yazun/postgres-xl,edespino/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,royc1/gpdb,ashwinstar/gpdb,Quikling/gpdb,ashwinstar/gpdb,janebeckman/gpdb,xinzweb/gpdb,pavanvd/postgres-xl,edespino/gpdb,chrishajas/gpdb,zeroae/postgres-xl,50wu/gpdb,arcivanov/postgres-xl,postmind-net/postgres-xl,Quikling/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,Quikling/gpdb,lisakowen/gpdb,janebeckman/gpdb,0x0FFF/gpdb,pavanvd/postgres-xl,ovr/postgres-xl,xuegang/gpdb,CraigHarris/gpdb,lintzc/gpdb,Postgres-XL/Postgres-XL,arcivanov/postgres-xl,oberstet/postgres-xl,techdragon/Postgres-XL,0x0FFF/gpdb,ashwinstar/gpdb,Quikling/gpdb,ahachete/gpdb,yazun/postgres-xl,lisakowen/gpdb,oberstet/postgres-xl,lintzc/gpdb,snaga/postgres-xl,Chibin/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,cjcjameson/gpdb,royc1/gpdb,zeroae/postgres-xl,xinzweb/gpdb,yuanzhao/gpdb,Quikling/gpdb,xinzweb/gpdb,greenplum-db/gpdb,lintzc/gpdb,yazun/postgres-xl,oberstet/postgres-xl,CraigHarris/gpdb,ahachete/gpdb,rvs/gpdb,royc1/gpdb,postmind-net/postgres-xl,edespino/gpdb,ovr/postgres-xl,rvs/gpdb,oberstet/postgres-xl,Chibin/gpdb,ashwinstar/gpdb,snaga/postgres-xl,rvs/gpdb,cjcjameson/gpdb,CraigHarris/gpdb,royc1/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,zeroae/postgres-xl,zaksoup/gpdb,janebeckman/gpdb,postmind-net/postgres-xl,ahachete/gpdb,zaksoup/gpdb,lintzc/gpdb,kaknikhil/gpdb,postmind-net/postgres-xl,arcivanov/postgres-xl,pavanvd/postgres-xl,Chibin/gpdb,Chibin/gpdb,ahachete/gpdb,techdragon/Postgres-XL,zaksoup/gpdb,CraigHarris/gpdb,50wu/gpdb,adam8157/gpdb,ashwinstar/gpdb,50wu/gpdb,janebeckman/gpdb,tpostgres-projects/tPostgres,adam8157/gpdb,edespino/gpdb,yuanzhao/gpdb,royc1/gpdb,cjcjameson/gpdb,ovr/postgres-xl,kmjungersen/PostgresXL,kmjungersen/PostgresXL,edespino/gpdb,tpostgres-projects/tPostgres,kaknikhil/gpdb,Chibin/gpdb,0x0FFF/gpdb,janebeckman/gpdb,adam8157/gpdb,adam8157/gpdb,lisakowen/gpdb,chrishajas/gpdb,jmcatamney/gpdb,Quikling/gpdb,oberstet/postgres-xl,ahachete/gpdb,ashwinstar/gpdb,tpostgres-projects/tPostgres,arcivanov/postgres-xl,cjcjameson/gpdb,CraigHarris/gpdb,edespino/gpdb,Chibin/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,Quikling/gpdb,chrishajas/gpdb,50wu/gpdb,kaknikhil/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,ahachete/gpdb,CraigHarris/gpdb,50wu/gpdb,snaga/postgres-xl,lintzc/gpdb,CraigHarris/gpdb,lisakowen/gpdb,lisakowen/gpdb,xuegang/gpdb,Postgres-XL/Postgres-XL,kaknikhil/gpdb,adam8157/gpdb,50wu/gpdb,yazun/postgres-xl,Chibin/gpdb,xuegang/gpdb,arcivanov/postgres-xl,xuegang/gpdb,lisakowen/gpdb,janebeckman/gpdb,greenplum-db/gpdb