update changelog

h2/src/docsrc/html/changelog.html

@@ -23,6 +23,22 @@ Change Log
 <ul>
 <li>Issue #585: MySQL mode DELETE statements compatibility
 </li>
+<li>PR #586: remove extra tx preparation 
+</li>
+<li>PR #568: Implement MetaData.getColumns() for synonyms.
+</li>
+<li>Issue #581: org.h2.tools.RunScript assumes -script parameter is part of protocol
+</li>
+<li>Fix a deadlock in the TransactionStore
+</li>
+<li>PR #579: Disallow BLOB type in PostgreSQL mode 
+</li>
+<li>Issue #576: Common Table Expression (CTE): WITH supports INSERT, UPDATE, MERGE, DELETE, CREATE TABLE ...
+</li>
+<li>Issue #493: Query with distinct/limit/offset subquery returns unexpected rows
+</li>
+<li>Issue #575: Support for full text search in multithreaded mode
+</li>
 <li>Issue #569: ClassCastException when filtering on ENUM value in WHERE clause
 </li>
 <li>Issue #539: Allow override of builtin functions/aliases