- update to 2.1.0:
* Allow fetchers to detect and handle log truncation (#4122).
* Fix a reference count issue blocking the consumer from
closing (#4187).
* Fix a protocol issue with ListGroups API, where an extra
* field was appended for API Versions greater than or equal to
3 (#4207).
* Fix an issue with `max.poll.interval.ms`, where polling any
queue would cause the timeout to be reset (#4176).
* Fix seek partition timeout, was one thousand times lower than
the passed value (#4230).
* Fix multiple inconsistent behaviour in batch APIs during
**pause** or **resume** operations (#4208).
* Update lz4.c from upstream. Fixes CVE-2021-3520
* Upgrade OpenSSL to v3.0.8 with various security fixes
* Added `rd_kafka_topic_partition_get_leader_epoch()` (and
`set..()`).
* A reference count issue was blocking the consumer from
closing.
* Fixed known issues related to Batch Consume APIs mentioned in
v2.0.0 release notes.
* Fixed `rd_kafka_consume_batch()` and `rd_kafka_consume_batch_queue()`
intermittently updating `app_offset` and `store_offset`
incorrectly when **pause** or **resume** was being used for a partition.
* Fixed `rd_kafka_consume_batch()` and `rd_kafka_consume_batch_queue()`
intermittently skipping offsets when **pause** or **resume**
was being used for a partition.