2.0.0 (Feb 10, 2020)

This release includes breaking changes for any application code that has not
migrated from older Simple-style classes to newer Kafka-style classes.

Deprecation

Remove deprecated SimpleClient, Producer, Consumer, Unittest (jeffwidman / PR #1196)

Use the controller for topic metadata requests (TylerLubeck / PR #1995)
Implement list_topics, describe_topics, and describe_cluster (TylerLubeck / PR #1993)
Implement eq and hash for ACL objects (TylerLubeck / PR #1955)
Fixes KafkaAdminClient returning IncompatibleBrokerVersion when passing an api_version (ian28223 / PR #1953)
Admin protocol updates (TylerLubeck / PR #1948)
Fix describe config for multi-broker clusters (jlandersen / PR #1869)

Enable SCRAM-SHA-256 and SCRAM-SHA-512 for sasl (swenzel / PR #1918)
Fix slots usage and use more slots (carsonip / PR #1987)
Optionally return OffsetAndMetadata from consumer.committed(tp) (dpkp / PR #1979)
Reset conn configs on exception in conn.check_version() (dpkp / PR #1977)
Do not block on sender thread join after timeout in producer.close() (dpkp / PR #1974)
Implement methods to convert a Struct object to a pythonic object (TylerLubeck / PR #1951)

Update 2.4.0 resource files for sasl integration (dpkp)
Add kafka 2.4.0 to CI testing (vvuibert / PR #1972)
convert test_admin_integration to pytest (ulrikjohansson / PR #1923)
xfail test_describe_configs_topic_resource_returns_configs (dpkp / Issue #1929)
Add crc32c to README and docs (dpkp)
Improve docs for reconnect_backoff_max_ms (dpkp / PR #1976)
Fix simple typo: managementment -> management (timgates42 / PR #1966)
Fix typos (carsonip / PR #1938)
Fix doc import paths (jeffwidman / PR #1933)
Update docstring to match conn.py's (dabcoder / PR #1921)
Do not log topic-specific errors in full metadata fetch (dpkp / PR #1980)
Raise AssertionError if consumer closed in poll() (dpkp / PR #1978)
Log retriable coordinator NodeNotReady, TooManyInFlightRequests as debug not error (dpkp / PR #1975)
Remove unused import (jeffwidman)
Remove some dead code (jeffwidman)
Fix a benchmark to Use print() function in both Python 2 and Python 3 (cclauss / PR #1983)
Fix a test to use ==/!= to compare str, bytes, and int literals (cclauss / PR #1984)
Fix benchmarks to use pyperf (carsonip / PR #1986)
Remove unused/empty .gitsubmodules file (jeffwidman / PR #1928)
Remove deprecated ConnectionError (jeffwidman / PR #1816)