有关先前发行版分支的发行说明，请参阅 PostgreSQL WEB站点。在版本11发布时,支持的先前版本分支如下:
PostgreSQL 10:
https://www.postgresql.org/docs/10/release.html
PostgreSQL 9.6:
https://www.postgresql.org/docs/9.6/release.html
PostgreSQL 9.5:
https://www.postgresql.org/docs/9.5/release.html
PostgreSQL 9.4:
https://www.postgresql.org/docs/9.4/release.html
PostgreSQL 9.3:
https://www.postgresql.org/docs/9.3/release.html
旧版本分支的发布说明可以从
https://www.postgresql.org/docs/manuals/archive/
找到