-->
<para>
-In ltree, when using adjacent asterisks with braces, e.g. "*{2}.*{3}", properly interpret that as "*{5}" (Nikita Glukhov)
+In ltree, when using adjacent asterisks with braces, e.g. ".*{2}.*{3}", properly interpret that as ".*{5}" (Nikita Glukhov)
</para>
</listitem>
<para>
For example, partitionwise joins can now happen between partitioned
-tables where the ancestors do not exactly match.
+tables even when their partition bounds do not match exactly.
</para>
</listitem>
<para>
Previously, partitions had to be replicated individually. Now partitioned tables can be published explicitly causing all partitions to be automatically published. Addition/removal of partitions from
-partitioned tables are automatically added/removed from publications. The CREATE PUBLICATION option publish_via_partition_root controls whether partitioned tables are published as their own or their ancestors.
+partitioned tables are automatically added/removed from publications. The CREATE PUBLICATION option publish_via_partition_root controls whether changes to partitions are published as their own or their ancestor's.
</para>
</listitem>
More efficiently store duplicates in btree indexes (Anastasia Lubennikova, Peter Geoghegan)
</para>
+<para>
+This allows efficient btree indexing of low cardinality columns.
+Users upgrading with pg_upgrade will need to use REINDEX to make use of
+this feature.
+</para>
+
</listitem>
<listitem>
Allow CREATE INDEX to specify the GiST signature length and maximum number of integer ranges (Nikita Glukhov)
</para>
+<para>
+Indexes created on four and eight-byte integer array, tsvector, trigram,
+ltree, and hstore columns can now control these GiST index parameters,
+rather than using the defaults.
+</para>
+
</listitem>
<listitem>
</para>
<para>
-This new behavior allows pages to be set as all-visible, which then allows index-only scans, and reduces the work necessary when the table needs to be frozen.
+This new behavior reduces the work necessary when the table needs to be frozen and allows pages to be set as all-visible. All-visible pages allow index-only scans to access fewer heap rows.
</para>
</listitem>
-->
<para>
-Add system view pg_stat_progress_analyze to report analyze progress (Álvaro Herrera, Tatsuro Yamada)
+Add system view pg_stat_progress_analyze to report analyze progress (Álvaro Herrera, Tatsuro Yamada, Vinayak Pokale)
</para>
</listitem>
Add system view pg_shmem_allocations to display shared memory usage (Andres Freund, Robert Haas)
</para>
-<para>
-WHAT IS THE ENTRY WITH NO NAME?
-</para>
-
</listitem>
<listitem>
Allow allow_system_table_mods to be changed after server start (Peter Eisentraut)
</para>
-<para>
-Previously, this could only be set at server start.
-</para>
-
</listitem>
<listitem>
-->
<para>
-Allow Unicode escapes, e.g., E'\u####', in databases that do not use UTF-8 encoding (Tom Lane)
+Allow Unicode escapes, e.g., E'\u####', U&'\####', to represent any
+character available in the database encoding, even when the database
+encoding is not UTF-8 (Tom Lane)
</para>
<para>
Add psql commands to report operator classes and operator families (Sergey Cherkashin, Nikita Glukhov, Alexander Korotkov)
</para>
+<para>
+The new commands are \dAc, \dAf, \dAo, and \dAp.
+</para>
</listitem>
<listitem>
</listitem>
-<listitem>
-<!--
-2020-03-29 [e1ff78048] Document color support
--->
-
-<para>
-Document color support (Peter Eisentraut)
-</para>
-
-<para>
-THIS WAS NOT DOCUMENTED BEFORE?
-</para>
-
-</listitem>
-
<listitem>
<!--
</listitem>
+<listitem>
+<!--
+2020-02-19 [e2e02191e] Clean up some code, comments and docs referring to Windo
+-->
+
+<para>
+Remove support for Windows 2000 (Michael Paquier)
+</para>
+
+</listitem>
+
<listitem>
<!--