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List: postgresql-announce
Subject: PostgreSQL 13 RC 1 Released!
From: PostgreSQL Global Development Group <announce-noreply () postgresql ! org>
Date: 2020-09-17 13:10:03
Message-ID: 160034820371.10899.4876489631826037920 () wrigleys ! postgresql ! org
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[Attachment #2 (multipart/alternative)]
The PostgreSQL Global Development Group announces that the first release
candidate of PostgreSQL 13 is now available for download. As a release
candidate, PostgreSQL 13 RC 1 will be mostly identical to the initial relea=
se of
PostgreSQL 13, though some more fixes may be applied prior to the general
availability of PostgreSQL 13.
The planned date for the general availability of PostgreSQL 13 is September=
24,
2020. Please see the "Release Schedule" section for more details.
Upgrading to PostgreSQL 13 RC 1
-------------------------------
To upgrade to PostgreSQL 13 RC 1 from earlier versions of PostgreSQL, you w=
ill
need to use a major version upgrade strategy, e.g. `pg_upgrade` or
`pg_dump` / `pg_restore`. For more information, please visit the documentat=
ion
section on [upgrading](https://www.postgresql.org/docs/13/static/upgrading.=
html).
Changes Since 13 Beta 3
-----------------------
Several bug fixes were applied for PostgreSQL 13 during the Beta 3 period. =
These
include:
* Adjustments to the costing model for hash aggregates that spill to disk.
* Adjustments to the output of `EXPLAIN (BUFFERS)`.
* Display the stats target of extended statistics in the output of `\d`.
For a detailed list of fixes, please visit the
[open items](https://wiki.postgresql.org/wiki/PostgreSQL_13_Open_Items#reso=
lved_before_13rc1)
page.
Release Schedule
----------------
This is the first release candidate for PostgreSQL 13. Unless an issue is
discovered that warrants a delay or to produce an additional release candid=
ate,
PostgreSQL 13 should be made generally available on September 24, 2020.
For further information please see the
[Beta Testing](https://www.postgresql.org/developer/beta/) page.
Links
-----
* [Download](https://www.postgresql.org/download/)
* [Beta Testing Information](https://www.postgresql.org/developer/beta/)
* [PostgreSQL 13 RC 1 Release Notes](https://www.postgresql.org/docs/13/sta=
tic/release-13.html)
* [PostgreSQL 13 Open Issues](https://wiki.postgresql.org/wiki/PostgreSQL_1=
3_Open_Items)
* [Submit a Bug](https://www.postgresql.org/account/submitbug/)
* [Follow @postgresql on Twitter](https://www.twitter.com/postgresql)
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<div>
<img alt="PostgreSQL logo" height="50" src="cid:slonik.png" style="float: left" \
width="50"/> <img alt="PostgreSQL logo" height="50" src="cid:slonik.png" \
style="float: right" width="50"/> <h1 style="color: #000; font-family: sans-serif; \
line-height: 1.4; margin: 0; margin-bottom: 30px; font-size: 25px; font-weight: 300; \
text-align: center">PostgreSQL 13 RC 1 Released!</h1> </div>
<p style="font-family: sans-serif; font-size: 14px; font-weight: normal; margin: 0; \
margin-bottom: 15px">The PostgreSQL Global Development Group announces that the first \
release candidate of PostgreSQL 13 is now available for download. As a release
candidate, PostgreSQL 13 RC 1 will be mostly identical to the initial release of
PostgreSQL 13, though some more fixes may be applied prior to the general
availability of PostgreSQL 13.</p>
<p style="font-family: sans-serif; font-size: 14px; font-weight: normal; margin: 0; \
margin-bottom: 15px">The planned date for the general availability of PostgreSQL 13 \
is September 24, 2020. Please see the "Release Schedule" section for more \
details.</p> <h2 style="color: #000; font-family: sans-serif; font-weight: 400; \
line-height: 1.4; margin: 0; margin-bottom: 30px">Upgrading to PostgreSQL 13 RC \
1</h2> <p style="font-family: sans-serif; font-size: 14px; font-weight: normal; \
margin: 0; margin-bottom: 15px">To upgrade to PostgreSQL 13 RC 1 from earlier \
versions of PostgreSQL, you will need to use a major version upgrade strategy, e.g. \
<code>pg_upgrade</code> or <code>pg_dump</code> / <code>pg_restore</code>. For more \
information, please visit the documentation section on <a \
href="https://www.postgresql.org/docs/13/static/upgrading.html" style="color: \
#3498db; text-decoration: underline">upgrading</a>.</p> <h2 style="color: #000; \
font-family: sans-serif; font-weight: 400; line-height: 1.4; margin: 0; \
margin-bottom: 30px">Changes Since 13 Beta 3</h2> <p style="font-family: sans-serif; \
font-size: 14px; font-weight: normal; margin: 0; margin-bottom: 15px">Several bug \
fixes were applied for PostgreSQL 13 during the Beta 3 period. These include:</p>
<ul style="font-family: sans-serif; font-size: 14px; font-weight: normal; margin: 0; \
margin-bottom: 15px"> <li style="list-style-position: inside; margin-left: \
5px">Adjustments to the costing model for hash aggregates that spill to disk.</li> \
<li style="list-style-position: inside; margin-left: 5px">Adjustments to the output \
of <code>EXPLAIN (BUFFERS)</code>.</li> <li style="list-style-position: inside; \
margin-left: 5px">Display the stats target of extended statistics in the output of \
<code>\d</code>.</li> </ul>
<p style="font-family: sans-serif; font-size: 14px; font-weight: normal; margin: 0; \
margin-bottom: 15px">For a detailed list of fixes, please visit the <a \
href="https://wiki.postgresql.org/wiki/PostgreSQL_13_Open_Items#resolved_before_13rc1" \
style="color: #3498db; text-decoration: underline">open items</a> page.</p>
<h2 style="color: #000; font-family: sans-serif; font-weight: 400; line-height: 1.4; \
margin: 0; margin-bottom: 30px">Release Schedule</h2> <p style="font-family: \
sans-serif; font-size: 14px; font-weight: normal; margin: 0; margin-bottom: \
15px">This is the first release candidate for PostgreSQL 13. Unless an issue is \
discovered that warrants a delay or to produce an additional release candidate, \
PostgreSQL 13 should be made generally available on September 24, 2020.</p> <p \
style="font-family: sans-serif; font-size: 14px; font-weight: normal; margin: 0; \
margin-bottom: 15px">For further information please see the <a \
href="https://www.postgresql.org/developer/beta/" style="color: #3498db; \
text-decoration: underline">Beta Testing</a> page.</p> <h2 style="color: #000; \
font-family: sans-serif; font-weight: 400; line-height: 1.4; margin: 0; \
margin-bottom: 30px">Links</h2> <ul style="font-family: sans-serif; font-size: 14px; \
font-weight: normal; margin: 0; margin-bottom: 15px"> <li style="list-style-position: \
inside; margin-left: 5px"><a href="https://www.postgresql.org/download/" \
style="color: #3498db; text-decoration: underline">Download</a></li> <li \
style="list-style-position: inside; margin-left: 5px"><a \
href="https://www.postgresql.org/developer/beta/" style="color: #3498db; \
text-decoration: underline">Beta Testing Information</a></li> <li \
style="list-style-position: inside; margin-left: 5px"><a \
href="https://www.postgresql.org/docs/13/static/release-13.html" style="color: \
#3498db; text-decoration: underline">PostgreSQL 13 RC 1 Release Notes</a></li> <li \
style="list-style-position: inside; margin-left: 5px"><a \
href="https://wiki.postgresql.org/wiki/PostgreSQL_13_Open_Items" style="color: \
#3498db; text-decoration: underline">PostgreSQL 13 Open Issues</a></li> <li \
style="list-style-position: inside; margin-left: 5px"><a \
href="https://www.postgresql.org/account/submitbug/" style="color: #3498db; \
text-decoration: underline">Submit a Bug</a></li> <li style="list-style-position: \
inside; margin-left: 5px"><a href="https://www.twitter.com/postgresql" style="color: \
#3498db; text-decoration: underline">Follow @postgresql on Twitter</a></li> </ul>
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