diff --git a/CHANGELOG.md b/CHANGELOG.md
deleted file mode 100644
index 1ba1aa44..00000000
--- a/CHANGELOG.md
+++ /dev/null
@@ -1,36 +0,0 @@
-# Change log
-
-All notable changes are documented in this file. Release numbers follow [Semantic Versioning](http://semver.org)
-
-## 0.2.0.Beta
-
-January 8th 2022
-
-### New features since 0.1.0.Alpha
-
-* Enable automatic field addition to support schema
-  evolution [#74](https://github.com/memiiso/debezium-server-iceberg/pull/74)
-* Support writing partitioned iceberg tables [#71](https://github.com/memiiso/debezium-server-iceberg/pull/71)
-* Add support for array data type [#63](https://github.com/memiiso/debezium-server-iceberg/pull/63)
-* Improving documentation [#61](https://github.com/memiiso/debezium-server-iceberg/pull/61)
-* Update distribution to include oracle and db2
-  connectors [#60](https://github.com/memiiso/debezium-server-iceberg/pull/60)
-* add Dockerfile and release image to github container
-  registry [#53](https://github.com/memiiso/debezium-server-iceberg/pull/53)
-* Support all iceberg file formats parquet,orc,avro [#46](https://github.com/memiiso/debezium-server-iceberg/pull/46)
-* Support nested data types [#41](https://github.com/memiiso/debezium-server-iceberg/pull/41)
-* Add batch size wait to optimize batch size by monitoring debezium queue
-  size [#16](https://github.com/memiiso/debezium-server-iceberg/pull/16)
-
-## 0.1.0.Alpha
-
-April 23 2021
-
-### New features
-
-* Implement `upsert` mode to consume deduplicated events to destination table in addition to append
-  mode [#8](https://github.com/memiiso/debezium-server-iceberg/pull/8)
-* Add dynamic wait feature to optimize batch size and commit
-  interval [#6](https://github.com/memiiso/debezium-server-iceberg/pull/6)
-* Partition `debezium_events` table by destination and event_sink
-  hour [#5](https://github.com/memiiso/debezium-server-iceberg/pull/5)
\ No newline at end of file
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e4c793c1..b7aa480c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,8 +1,10 @@
 # Contributing
 
-Debezium Iceberg consumer is a very young project and looking for new maintainers. There are definitively many small/big improvements to do, including documentation, adding new features to submitting bug reports.
+Debezium Iceberg consumer is a very young project and looking for new maintainers. There are definitively many small/big
+improvements to do, including documentation, adding new features to submitting bug reports.
 
 Please feel free to send pull request, report bugs or open feature request.
 
 ## License
+
 By contributing, you agree that your contributions will be licensed under Apache 2.0 License.
diff --git a/README.md b/README.md
index 8cba26b0..bea3c5bb 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ For a full understanding of current limitations and recommended solutions, pleas
 
 # Installation
 - Requirements:
-  - JDK 11
+  - JDK 21
   - Maven
 ### Building from source code
 1. Clone the repository
@@ -43,7 +43,8 @@ bash run.sh
 
 It's possible to use python to run,operate debezium server
 
-This project provides Python scripts to automate the startup, shutdown, and configuration of Debezium Server. By leveraging Python, you can manage Debezium Server.
+For convenience this project additionally provides Python scripts to automate the startup, shutdown, and configuration of Debezium Server. 
+Using Python, you can do various Debezium Server operation and take programmatic, dynamic, debezium configuration.
 example:
 
 ```commandline
@@ -64,9 +65,18 @@ d.run(*java_args)
 ```
 
 ```python
+import os
 from debezium import DebeziumRunAsyn
 
 java_args = []
+# using python we can dynamically influence debezium 
+# by chaning its config within python
+if my_custom_condition_check is True:
+    # Option 1: set config using java arg
+    java_args.append("-Dsnapshot.mode=always")
+    # Option 2: set config using ENV variable
+    os.environ["SNAPSHOT_MODE"] = "always"
+
 java_args.append("-Dquarkus.log.file.enable=true")
 java_args.append("-Dquarkus.log.file.path=/logs/dbz_logfile.log")
 d = DebeziumRunAsyn(debezium_dir="/dbz/server/dir", java_home='/java/home/dir', java_args=java_args)