- Migrated build system from `setup.py` to `pyproject.toml` in accordance with `PEP 517` and `PEP 518`, improving project configuration, build system requirements management, and compatibility with modern Python packaging tools like `pip` and `build`. (1592)
- Removed python 3.6 support. (1592)
- Added an example for OAUTH OIDC producer with support for confluent cloud (1769, sarwarbhuiyan)
confluent-kafka-python is based on librdkafka v2.6.1, see the
[librdkafka release notes](https://github.com/confluentinc/librdkafka/releases/tag/v2.6.1)
for a complete list of changes, enhancements, fixes and upgrade considerations.