Python 2.0 (beta) client introduces an updated API and additional features, building on the 1.2 series, and aligning more closely with other SDKs by implementing new verbs like upsert, insert, and counter to replace older methods while still supporting them with deprecation warnings. The Connection class has been renamed to Bucket, with a simplified constructor approach that utilizes a connection string consistent with other SDKs, supporting SSL connectivity by specifying the couchbases:// scheme and certpath parameter. Enhanced integration with the unofficial couchbase-python-cffi module allows the Python client to operate under PyPy, with internal restructuring facilitating the use of the txcouchbase module on PyPy, addressing user requests for improved support.