diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2afd17..58d8e45 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Security
 - cookie auth & its specification in TD
 
+## [v0.2.2] - 2024-08-09
+
+- thing control panel works better with the server side and support observable properties
+- `ObjectProxy` client API has been improved to resemble WoT operations better, for examplem `get_property` is now 
+called `read_property`, `set_properties` is now called `write_multiple_properties`. 
+- `ObjectProxy` client reliability for poorly written server side actions improved
+
 ## [v0.2.1] - 2024-07-21
 
 ### Added
diff --git a/doc b/doc
index 68e1be2..a064864 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 68e1be22ce184ec0c28eafb9b8a715a1a6bc9d33
+Subproject commit a064864119dd4270a69b38621d79678a9f1b8069
diff --git a/tests/test_property.py b/tests/test_property.py
index 4115fe6..bfa1710 100644
--- a/tests/test_property.py
+++ b/tests/test_property.py
@@ -210,7 +210,7 @@ def test_4_db_operations(self):
         self.assertEqual(thing.db_commit_number_prop, TestThing.db_commit_number_prop.default)
 
         # check db init prop with a different value in database apart from default
-        thing.db_engine.write_property('db_init_int_prop', 101)
+        thing.db_engine.set_property('db_init_int_prop', 101)
         del thing
         thing = TestThing(instance_name='test-db-operations', use_default_db=True, log_level=logging.WARN)
         self.assertEqual(thing.db_init_int_prop, 101)