librdkafka v1.3.0 release

This is a feature release adding support for KIP-392 Fetch from follower, allowing a consumer to fetch messages from the closest replica to increase throughput and reduce cost.

Features

• KIP-392 - Fetch messages from closest replica / follower (by @mhowlett)
• Added experimental (subject to change or removal) mock broker to make application and librdkafka development testing easier.

Fixes

• Fix consumer_lag in stats when consuming from broker versions <0.11.0.0 (regression in librdkafka v1.2.0).

Checksums

Release asset checksums:

• v1.3.0.zip SHA256 bd3373c462c250ecebea9043fb94597a11bd6e0871d3cde19019433d3f74a99e
• v1.3.0.tar.gz SHA256 465cab533ebc5b9ca8d97c90ab69e0093460665ebaf38623209cf343653c76d2