⚠️ This release has been superseded by v1.30.1 and should not be used.

regression: enabling rackawareness causes severe throughput drops (#2071) — fixed in v1.30.1 via #2076

ℹ️ Note: from Sarama 1.30.0 the minimum version of Go toolchain required is 1.16.x

New Features / Improvements

• #1983 - @zifengyu - allow configure AllowAutoTopicCreation argument in metadata refresh
• #2000 - @matzew - Using xdg-go module for SCRAM
• #2003 - @gdm85 - feat: add counter metrics for consumer group join/sync and their failures
• #1992 - @zhaomoran - feat: support SaslHandshakeRequest v0 for SCRAM
• #2006 - @faillefer - Add support for DeleteOffsets operation
• #1909 - @agriffaut - KIP-546 Client quota APIs
• #1633 - @aldelucca1 - feat: allow balance strategies to provide initial state
• #1275 - @dnwe - log: add a DebugLogger that proxies to Logger
• #2018 - @dnwe - feat: use DebugLogger reference for goldenpath log
• #2019 - @dnwe - feat: add logging & a metric for producer throttle
• #2023 - @dnwe - feat: add Controller() to ClusterAdmin interface
• #2025 - @dnwe - feat: support ApiVersionsRequest V3 protocol
• #2028 - @dnwe - feat: send ApiVersionsRequest on broker open
• #2034 - @bai - Add support for kafka 3.0.0

Fixes

• #1990 - @doxsch - fix: correctly pass ValidateOnly through to CreatePartitionsRequest
• #1988 - @LubergAlexander - fix: correct WithCustomFallbackPartitioner implementation
• #2001 - @HurSungYun - docs: inform AsyncProducer Close pitfalls
• #1973 - @qiangmzsx - fix: metrics still taking up too much memory when metrics.UseNilMetrics=true
• #2007 - @bai - Add support for Go 1.17
• #2009 - @dnwe - fix: enable nilerr linter and fix iferr checks
• #2010 - @dnwe - chore: enable exportloopref and misspell linters
• #2013 - @faillefer - fix(test): disable encoded response/request check when map contains multiple elements
• #2015 - @bai - Change default branch to main
• #1718 - @crivera-fastly - fix: correct the error handling in client.InitProducerID()
• #1984 - @null-sleep - fix(test): bump confluentPlatformVersion from 6.1.1 to 6.2.0
• #2016 - @dnwe - chore: replace deprecated Go calls
• #2017 - @dnwe - chore: delete legacy vagrant script
• #2020 - @dnwe - fix(test): remove testLogger from TrackLeader test
• #2024 - @dnwe - chore: bump toxiproxy container to v2.1.5
• #2033 - @bai - Update dependencies
• #2031 - @gdm85 - docs: do not mention buffered messages in sync producer Close method
• #2035 - @dnwe - chore: populate the missing kafka versions
• #2038 - @dnwe - feat: add a fuzzing workflow to github actions

New Contributors

• @zifengyu made their first contribution in https://github.com/Shopify/sarama/pull/1983
• @doxsch made their first contribution in https://github.com/Shopify/sarama/pull/1990
• @LubergAlexander made their first contribution in https://github.com/Shopify/sarama/pull/1988
• @HurSungYun made their first contribution in https://github.com/Shopify/sarama/pull/2001
• @gdm85 made their first contribution in https://github.com/Shopify/sarama/pull/2003
• @qiangmzsx made their first contribution in https://github.com/Shopify/sarama/pull/1973
• @zhaomoran made their first contribution in https://github.com/Shopify/sarama/pull/1992
• @faillefer made their first contribution in https://github.com/Shopify/sarama/pull/2006
• @crivera-fastly made their first contribution in https://github.com/Shopify/sarama/pull/1718
• @null-sleep made their first contribution in https://github.com/Shopify/sarama/pull/1984

Full Changelog: https://github.com/Shopify/sarama/compare/v1.29.1...v1.30.0