<listitem>

<!--

Author: Tom Lane <tgl@sss.pgh.pa.us> 2017-05-11 [d10c626de] Rename

WAL-related functions and views to use "lsn" not

-->

<para>

Rename <acronym>WAL</>-related functions and views to use <literal>lsn</>

instead of <literal>location</> (David Rowley)

</para>

</listitem>

<listitem>

<!--

Author: Peter Eisentraut <peter_e@gmx.net> 2017-05-12 [c1a7f64b4]

Replace "transaction log" with "write-ahead log"

-->

<para>

Rename<acronym>WAL</>-related functions and views to use <literal>lsn</>

instead of <literal>location</> (David Rowley)

</para>

</listitem>

<listitem>

<!--

Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>

2017-05-08 [eb61136dc] Remove support for password_encryption='off' / 'plain'.

-->

<para>

Remove the ability to store unencrypted passwords on the server

(Heikki Linnakangas)

</para>

<para>

The server-side variable <xref linkend="guc-password-encryption">

no longer supports <literal>off</> or <literal>plain</>.

The <literal>UNENCRYPTED</> option is no longer supported for

<command>CREATE/ALTER USER ... PASSSWORD</>. Similarly, the

<option>--unencrypted</> has been removed from <command>createuser</>.

The default for <option>password_encryption</> is still

<literal>md5</>, and users migrating passwords from older systems

will have them stored encrypted by default in this release.

</para>

</listitem>

<xref linkend="guc-max-replication-slots">, and <xref

linkend="guc-hot-standby">.

<listitem>

<!--

Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>

2017-05-03 [8f8b9be51] Add PQencryptPasswordConn function to libpq, use it in p

-->

<para>

Add function <link

linkend="libpq-pqencryptpasswordconn"><function>PQencryptPasswordConn()</></>

to allow creation of more types of encrypted passwords on the

client-side (Michael Paquier, Heikki Linnakangas)

</para>

<para>

Previously only <literal>MD5</> passwords could be created using <link

linkend="libpq-pqencryptpassword"><function>PQencryptPassword()</></>.

This new function can also create <link

linkend="auth-pg-hba-conf"><literal>SCRAM-SHA-256</></> passwords.

</para>

</listitem>

Author: Peter Eisentraut <peter_e@gmx.net>

2017-04-24 [332bec1e6] postgres_fdw: Fix join push down with extensions

perform this optimization. There are also improvements in

pushing down joins involving extensions.