CHANGELOG.md in duckdb-0.2.6.1 vs CHANGELOG.md in duckdb-0.2.7.0

@@ -1,6 +1,13 @@
 # ChangeLog
 
+# 0.2.7.0
+
+- call duckdb_free after calling duckdb_value_blob, duckdb_value_varchar.
+- bump DuckDB to v0.2.7 in CI
+- rake build on Windows in github actions.
+  - There is a issue (LoadError) when running rake test on Windows (in GitHub actions).
+
 # 0.2.6.1
 
 - add DuckDB::PreparedStatement#bind_int8
 - DuckDB::Connection#appender accepts block.
 - add DuckDB::Appender#append_row.