diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39ab1466..2ae0aa17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,21 @@
+# Unreleased
+
+* Update pgtype to x
+* Update pgconn to v1.6.0
+* Update puddle to v1.1.1
+* Fix context propagation with Tx commit and Rollback (georgysavva)
+* Add lazy connect option to pgxpool (georgysavva)
+* Fix connection leak if pgxpool.BeginTx() fail (Jean-Baptiste Bronisz)
+* Add native Go slice support for strings and numbers to simple protocol
+* stdlib add default timeouts for Conn.Close() and Stmt.Close() (georgysavva)
+* Assorted performance improvements especially with large result sets
+* Fix close pool on not lazy connect failure (Yegor Myskin)
+* Add Config copy (georgysavva)
+* Support SendBatch with Simple Protocol (Jordan Lewis)
+* Better error logging on rows close (Igor V. Kozinov)
+* Expose stdlib.Conn.Conn() to enable database/sql.Conn.Raw()
+* Improve unknown type support for database/sql
+
 # 4.6.0 (March 30, 2020)
 
 * stdlib: Bail early if preloading rows.Next() results in rows.Err() (Bas van Beek)