diff --git a/docs/src/main/sphinx/release.md b/docs/src/main/sphinx/release.md
index 3a707bc61370..f9697e567849 100644
--- a/docs/src/main/sphinx/release.md
+++ b/docs/src/main/sphinx/release.md
@@ -7,6 +7,7 @@
 ```{toctree}
 :maxdepth: 1
 
+release/release-426
 release/release-425
 release/release-424
 release/release-423
diff --git a/docs/src/main/sphinx/release/release-426.md b/docs/src/main/sphinx/release/release-426.md
new file mode 100644
index 000000000000..e5631a6ebe14
--- /dev/null
+++ b/docs/src/main/sphinx/release/release-426.md
@@ -0,0 +1,49 @@
+# Release 426 (5 Sep 2023)
+
+## General
+
+* Add support for `SET SESSION AUTHORIZATION` and `RESET SESSION AUTHORIZATION`. ({issue}`16067`)
+* Add support for automatic type coercion when creating tables. ({issue}`13994`)
+* Improve performance of aggregations over decimal values. ({issue}`18868`)
+* Fix event listener incorrectly reporting output columns for `UPDATE`
+  statements with subqueries. ({issue}`18815`)
+* Fix failure when performing an outer join involving geospatial functions in
+  the join clause. ({issue}`18860`)
+* Fix failure when querying partitioned tables with a `WHERE` clause that
+  contains lambda expressions. ({issue}`18865`)
+* Fix failure for `GROUP BY` queries over `map` and `array` types. ({issue}`18863`)
+
+## Security
+
+* Fix authentication failure with OAuth 2.0 when authentication tokens are
+  larger than 4 KB. ({issue}`18836`)
+
+## Delta Lake connector
+
+* Add support for the `TRUNCATE TABLE` statement. ({issue}`18786`)
+* Add support for the `CASCADE` option in `DROP SCHEMA` statements. ({issue}`18333`)
+* Add support for
+  [Databricks 13.3 LTS](https://docs.databricks.com/en/release-notes/runtime/13.3lts.html). ({issue}`18888`)
+* Fix writing an incorrect transaction log for partitioned tables with an `id`
+  or `name` column mapping mode. ({issue}`18661`)
+
+## Hive connector
+
+* Add the `hive.metastore.thrift.batch-fetch.enabled` configuration property,
+  which can be set to `false` to disable batch metadata fetching from the Hive
+  metastore. ({issue}`18111`)
+* Fix `ANALYZE` failure when row count stats are missing. ({issue}`18798`)
+* Fix the `hive.target-max-file-size` configuration property being ignored
+  when writing to sorted tables. ({issue}`18653`)
+* Fix query failure when reading large SequenceFile, RCFile, or Avro files. ({issue}`18837`)
+
+## Iceberg connector
+
+* Fix the `iceberg.target-max-file-size` configuration property being ignored
+  when writing to sorted tables. ({issue}`18653`)
+
+## SPI
+
+* Remove the deprecated
+  `ConnectorMetadata#dropSchema(ConnectorSession session, String schemaName)`
+  method. ({issue}`18839`)