• feat: support Fetch v12 by @dnwe in https://github.com/IBM/sarama/pull/3609
• feat: support CreateTopics v6 by @dnwe in https://github.com/IBM/sarama/pull/3622
• feat: support DeleteTopics v5 by @dnwe in https://github.com/IBM/sarama/pull/3624
• feat: support AddPartitionsToTxn v3 by @hindessm in https://github.com/IBM/sarama/pull/3625
• feat: support Produce v9 by @dnwe in https://github.com/IBM/sarama/pull/3629
• feat: support CreatePartitions v3 by @dnwe in https://github.com/IBM/sarama/pull/3631
• feat: expose broker features from ApiVersions v3 by @dnwe in https://github.com/IBM/sarama/pull/3633
• feat: support UpdateFeatures by @dnwe in https://github.com/IBM/sarama/pull/3632
• feat: add OnAssignmentBalanceStrategy, the onAssignment half of the assignor contract by @lizthegrey in https://github.com/IBM/sarama/pull/3627
• feat: support ApiVersions V4 and discover upgradable features in test by @dnwe in https://github.com/IBM/sarama/pull/3634

• fix: avoid makeslice "len out of range" panics on invalid response by @hindessm in https://github.com/IBM/sarama/pull/3612
• fix: avoid makeslice panic in request decode too by @dnwe in https://github.com/IBM/sarama/pull/3613
• fix(test): wait for leaders after topic create by @dnwe in https://github.com/IBM/sarama/pull/3623
• fix(consumer): don't panic on requeue after unref by @dnwe in https://github.com/IBM/sarama/pull/3630

• chore(deps): update golang-x to v0.53.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3618
• fix(deps): update module golang.org/x/sys to v0.46.0 - autoclosed by @renovate[bot] in https://github.com/IBM/sarama/pull/3617
• fix(deps): update module golang.org/x/sync to v0.21.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3616
• fix(deps): update module golang.org/x/net to v0.56.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3626

• chore: update default Kafka version to 2.6 by @dnwe in https://github.com/IBM/sarama/pull/3608
• chore: more protocol version placeholders by @hindessm in https://github.com/IBM/sarama/pull/3610
• chore: extend fuzz testing to more types by @dnwe in https://github.com/IBM/sarama/pull/3614
• chore: clean up Int32 array encode/decode by @hindessm in https://github.com/IBM/sarama/pull/3619
• chore: apply Go's modernize fixes by @dnwe in https://github.com/IBM/sarama/pull/3621

Full Changelog: https://github.com/IBM/sarama/compare/v1.50.2...v1.50.3

• feat(consumer): add support for SyncGroupRequest/Response v5 (KIP-559) by @dnwe in https://github.com/IBM/sarama/pull/3591
• feat(txn): add protocol support for TxnOffsetCommit v3 by @dnwe in https://github.com/IBM/sarama/pull/3592
• feat(txn): support consumer group metadata in TxnOffsetCommit v3 by @dnwe in https://github.com/IBM/sarama/pull/3593
• feat(admin): add protocol support for DeleteRecords v2 (KIP-482) by @dnwe in https://github.com/IBM/sarama/pull/3594
• feat(protocol): add support for DescribeConfigs v3 and v4 by @dnwe in https://github.com/IBM/sarama/pull/3596
• feat(admin): add DescribeConfigs for multiple resources by @dnwe in https://github.com/IBM/sarama/pull/3600
• feat(consumer): option to cap decompressed batch size by @dnwe in https://github.com/IBM/sarama/pull/3604

• fix(admin): retry ACL and SCRAM ops on stale controller by @dnwe in https://github.com/IBM/sarama/pull/3598

• fix(deps): update module github.com/pierrec/lz4/v4 to v4.1.27 by @renovate[bot] in https://github.com/IBM/sarama/pull/3597

Full Changelog: https://github.com/IBM/sarama/compare/v1.50.1...v1.50.2

• fix: correct requiredVersion for V8 JoinGroup and add protocol version placeholders by @dnwe in https://github.com/IBM/sarama/pull/3585

Full Changelog: https://github.com/IBM/sarama/compare/v1.50.0...v1.50.1

• feat: add Java-compatible murmur2 partitioner by @dnwe in https://github.com/IBM/sarama/pull/3567
• feat(protocol): support LeaveGroupRequest/Response v5 (KIP-800) by @dnwe in https://github.com/IBM/sarama/pull/3576
• feat(protocol): support JoinGroupRequest/Response v8 (KIP-800) by @dnwe in https://github.com/IBM/sarama/pull/3577
• feat(consumer_group): set cancellation cause on session context by @prakhar7651 in https://github.com/IBM/sarama/pull/3575
• feat(consumer_group): send KIP-800 reason on JoinGroup and LeaveGroup by @dnwe in https://github.com/IBM/sarama/pull/3584
• feat: add Kafka 4.3.0 version placeholder by @dnwe in https://github.com/IBM/sarama/pull/3587
• feat(admin): support OffsetFetchRequest v8 by @dnwe in https://github.com/IBM/sarama/pull/3565

• fix(client): don't log ErrNoTopicsToUpdateMetadata every tick by @dnwe in https://github.com/IBM/sarama/pull/3566
• fix(broker): snapshot fetch meters before deferred Mark by @dnwe in https://github.com/IBM/sarama/pull/3563
• fix: prevent len out of range panic on 32bit architectures by @gibmat in https://github.com/IBM/sarama/pull/3579
• fix(offset): retry fetchInitialOffset on top-level coordinator errors by @dnwe in https://github.com/IBM/sarama/pull/3574

• chore(deps): update docker/bake-action action to v7.2.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3568
• fix(deps): update module golang.org/x/sys to v0.45.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3570
• chore(deps): update golangci/golangci-lint-action action to v9.2.1 by @renovate[bot] in https://github.com/IBM/sarama/pull/3571
• chore(deps): update module golang.org/x/crypto to v0.52.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3572
• fix(deps): update module golang.org/x/net to v0.55.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3573
• chore(deps): update docker/setup-buildx-action action to v4.1.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3578

• refactor: replace eapache/queue with generic ring buffer by @dnwe in https://github.com/IBM/sarama/pull/3560
• test(fvt): use a per-message timeout in follower failover test by @dnwe in https://github.com/IBM/sarama/pull/3562

• @gibmat made their first contribution in https://github.com/IBM/sarama/pull/3579
• @prakhar7651 made their first contribution in https://github.com/IBM/sarama/pull/3575

Full Changelog: https://github.com/IBM/sarama/compare/v1.49.0...v1.50.0

• fix(consumer): decouple FetchRequest.MaxBytes from MaxResponseSize by @dnwe in https://github.com/IBM/sarama/pull/3538

• feat(consumer): warn on sustained partition retries by @dnwe in https://github.com/IBM/sarama/pull/3535
• feat(producer): add Produce v8 request/response support by @dnwe in https://github.com/IBM/sarama/pull/3540
• feat(consumer): cap partition consumer retries by @dnwe in https://github.com/IBM/sarama/pull/3539
• feat: support FindCoordinator V3 protocol by @hindessm in https://github.com/IBM/sarama/pull/3544
• feat: support describe acls v2 by @hindessm in https://github.com/IBM/sarama/pull/3548
• feat: support create acls v2 by @hindessm in https://github.com/IBM/sarama/pull/3549
• feat: support delete acls v2 by @hindessm in https://github.com/IBM/sarama/pull/3550
• feat: support sasl authenticate v2 by @hindessm in https://github.com/IBM/sarama/pull/3551
• feat: support create partitions v2 by @hindessm in https://github.com/IBM/sarama/pull/3554
• feat: support join group v7 by @hindessm in https://github.com/IBM/sarama/pull/3555

• fix: flexible decoder out-of-bounds panic by @hindessm in https://github.com/IBM/sarama/pull/3543
• fix(consumer): size partial-batch retry correctly by @dnwe in https://github.com/IBM/sarama/pull/3541
• feat(consumer): add OffsetCommit v8 request/response support by @dnwe in https://github.com/IBM/sarama/pull/3545
• fix: decode nullable ACL describe error messages by @dnwe in https://github.com/IBM/sarama/pull/3552
• fix(consumer): lease preferred read replicas by @dnwe in https://github.com/IBM/sarama/pull/3553
• fix(producer): honour Retry.Backoff in idempotent retryBatch by @dnwe in https://github.com/IBM/sarama/pull/3557

• chore: better bounds checking by @hindessm in https://github.com/IBM/sarama/pull/3546
• chore: bump deps in ./examples tree by @dnwe in https://github.com/IBM/sarama/pull/3558
• docs: add AlterPartitionReassignments example and functional test by @dnwe in https://github.com/IBM/sarama/pull/3556

Full Changelog: https://github.com/IBM/sarama/compare/v1.48.2...v1.49.0

• feat(admin): add KIP-396 list/alter offsets APIs by @DCjanus in https://github.com/IBM/sarama/pull/3419
• feat: add SubscriptionUserDataProvider hook for BalanceStrategy by @lizthegrey in https://github.com/IBM/sarama/pull/3506
• perf(zstd): scale idle zstd encoder cap to GOMAXPROCS by @lizthegrey in https://github.com/IBM/sarama/pull/3507

• fix: retry ListTopics on transient transport errors by @huynhanx03 in https://github.com/IBM/sarama/pull/3497
• test(fvt): only safeClose if we created by @dnwe in https://github.com/IBM/sarama/pull/3530
• fix(client): scope metadata refresh errors to requested topics by @dnwe in https://github.com/IBM/sarama/pull/3532

• test(fvt): speedup functional test runs by @dnwe in https://github.com/IBM/sarama/pull/3528

Full Changelog: https://github.com/IBM/sarama/compare/v1.48.1...v1.48.2

• perf: cache topic batch-size metric lookup by @huynhanx03 in https://github.com/IBM/sarama/pull/3498
• fix: stabilise TestFuncTxnProduceAndCommitOffset flakes by @dnwe in https://github.com/IBM/sarama/pull/3517
• test: relax producer batch metrics assertions by @DCjanus in https://github.com/IBM/sarama/pull/3523
• fix: prevent race during partition consumer close by @dnwe in https://github.com/IBM/sarama/pull/3524
• fix: return leaderless errors in metadata refresh by @dnwe in https://github.com/IBM/sarama/pull/3525

• chore(deps): update dependency golangci/golangci-lint to v2.12.1 by @renovate[bot] in https://github.com/IBM/sarama/pull/3509
• chore(deps): bump github.com/klauspost/compress from 1.18.5 to 1.18.6 by @dependabot[bot] in https://github.com/IBM/sarama/pull/3508
• chore(deps): bump golang.org/x/sys from 0.43.0 to 0.44.0 in the golang-x group across 1 directory by @dependabot[bot] in https://github.com/IBM/sarama/pull/3520
• chore(deps): update module golang.org/x/crypto to v0.51.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3521
• fix(deps): update module golang.org/x/net to v0.54.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3526
• chore(deps): update dependency golangci/golangci-lint to v2.12.2 by @renovate[bot] in https://github.com/IBM/sarama/pull/3515

• chore: add testifylint and fix lint warnings by @dnwe in https://github.com/IBM/sarama/pull/3522

• @huynhanx03 made their first contribution in https://github.com/IBM/sarama/pull/3498

Full Changelog: https://github.com/IBM/sarama/compare/v1.48.0...v1.48.1

• feat(producer): partition muting for msg ordering by @dnwe in https://github.com/IBM/sarama/pull/3422

• fix: handle nullable metadata in OffsetFetchResponse by @dnwe in https://github.com/IBM/sarama/pull/3473
• fix: nil response/done channels after SASLv1 failure by @dnwe in https://github.com/IBM/sarama/pull/3474
• fix(protocol): handle ElectLeaders V1 non-flexible headers by @DCjanus in https://github.com/IBM/sarama/pull/3478
• fix: correct a number of goroutine leaks by @dnwe in https://github.com/IBM/sarama/pull/3476
• fix: resolve deadlock in concurrent offset commits by @dnwe in https://github.com/IBM/sarama/pull/3477
• fix(consumer): avoid broker race in response feeder by @DCjanus in https://github.com/IBM/sarama/pull/3486
• fix: stop dispatcher for dying children in brokerConsumer.abort() by @lizthegrey in https://github.com/IBM/sarama/pull/3492
• fix: close broken tcp connections by @Asphaltt in https://github.com/IBM/sarama/pull/3384
• fix: add Unwrap() to DescribeConfigError and AlterConfigError by @ShinThirty in https://github.com/IBM/sarama/pull/3487

• chore(deps): update dependency golangci/golangci-lint to v2.11.1 by @renovate[bot] in https://github.com/IBM/sarama/pull/3462
• chore(deps): bump github.com/pierrec/lz4/v4 from 4.1.25 to 4.1.26 by @dependabot[bot] in https://github.com/IBM/sarama/pull/3461
• chore(deps): bump golang.org/x/sync from 0.19.0 to 0.20.0 in the golang-x group across 1 directory by @dependabot[bot] in https://github.com/IBM/sarama/pull/3466
• chore(deps): update module golang.org/x/crypto to v0.49.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3468
• chore(deps): update dependency golangci/golangci-lint to v2.11.3 by @renovate[bot] in https://github.com/IBM/sarama/pull/3464
• fix(deps): update module golang.org/x/net to v0.52.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3472
• fix(deps): update module github.com/klauspost/compress to v1.18.5 by @renovate[bot] in https://github.com/IBM/sarama/pull/3480
• chore(deps): update module golang.org/x/crypto to v0.50.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3489
• fix(deps): update module golang.org/x/net to v0.53.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3493
• chore(deps): update docker/setup-buildx-action action to v4 by @renovate[bot] in https://github.com/IBM/sarama/pull/3458
• chore(deps): update docker/bake-action action to v7.1.0 by @renovate[bot] in https://github.com/IBM/sarama/pull/3459

• chore: add kafka versions 3.9.2 and 4.2.0 by @edoardocomar in https://github.com/IBM/sarama/pull/3471

• Update the Kakfa Protocol Specification Link by @MohishKhadse55 in https://github.com/IBM/sarama/pull/3463

• chore(deps): update dependency golangci/golangci-lint to v2.11.4 by @renovate[bot] in https://github.com/IBM/sarama/pull/3482
• fix: update API version URL as previous link was not working by @MohishKhadse55 in https://github.com/IBM/sarama/pull/3485

• @MohishKhadse55 made their first contribution in https://github.com/IBM/sarama/pull/3463
• @Asphaltt made their first contribution in https://github.com/IBM/sarama/pull/3384
• @ShinThirty made their first contribution in https://github.com/IBM/sarama/pull/3487

Full Changelog: https://github.com/IBM/sarama/compare/v1.47.0...v1.48.0

• perf(admin): modernize DescribeCluster RPC handling by @DCjanus in https://github.com/IBM/sarama/pull/3390
• test: expand Java interop tests to cover all compression codecs by @dnwe in https://github.com/IBM/sarama/pull/3423

• fix(client): add nilguards to updateBroker by @dnwe in https://github.com/IBM/sarama/pull/3393
• fix(broker): auto-close broken connections by @DCjanus in https://github.com/IBM/sarama/pull/3412
• fix: set version from IBM/sarama, not main app by @adamdecaf in https://github.com/IBM/sarama/pull/3415

• chore: finish up the move to atomic types by @puellanivis in https://github.com/IBM/sarama/pull/3399
• chore: tear down zk in functional tests by @edoardocomar in https://github.com/IBM/sarama/pull/3420
• chore: migrate from eapache/go-xerial-snappy to klauspost/compress/sn… by @edoardocomar in https://github.com/IBM/sarama/pull/3421
• fix(test): resolve FVT issues in Kafka v2.x interop tests by @edoardocomar in https://github.com/IBM/sarama/pull/3424
• feat: add kafka 4.1.1 constants and use in FVT by @dnwe in https://github.com/IBM/sarama/pull/3437
• chore: add Kafka 4.0.1 and replace 4.0.0 in FVT by @edoardocomar in https://github.com/IBM/sarama/pull/3439
• ci(lint): unblock Go 1.26 lint and handle gosec noise by @DCjanus in https://github.com/IBM/sarama/pull/3454

• chore(deps): update module golang.org/x/crypto to v0.45.0 [security] → v0.48.0 by @renovate[bot] in #3383, #3425
• chore(deps): bump golang.org/x/crypto from 0.42.0 to 0.45.0 across /examples (consumergroup, exactly_once, sasl_scram_client, http_server, txn_producer, interceptors) by @dependabot[bot] in #3382, #3381, #3380, #3379, #3378, #3377
• fix(deps): update module golang.org/x/sync to v0.18.0 by @renovate[bot] in #3385
• fix(deps): update module golang.org/x/net to v0.49.0 → v0.51.0 by @renovate[bot] and @dependabot[bot] in #3426, #3427, #3453
• chore(deps): update golangci/golangci-lint-action action to v9 → v9.2.0 by @renovate[bot] in #3370, #3400
• chore(deps): update dependency golangci/golangci-lint to v2.6.2 → v2.8.0 by @renovate[bot] in #3366, #3401
• chore(deps): update docker/bake-action action to v6.10.0 by @renovate[bot] in #3392
• chore(deps): update docker/setup-buildx-action action to v3.12.0 by @renovate[bot] in #3416
• chore(deps): bump github.com/klauspost/compress from 1.18.1 to 1.18.4 by @dependabot[bot] in #3397, #3430, #3442
• chore(deps): bump github.com/pierrec/lz4/v4 from 4.1.22 to 4.1.25 by @dependabot[bot] in #3411, #3432
• chore(deps): bump the golang-x group across 1 directory with 2 updates by @dependabot[bot] in #3405
• chore(deps): bump github.com/xdg-go/scram from 1.1.2 to 1.2.0 in /examples/sasl_scram_client by @dependabot[bot] in #3394
• chore(deps): update dependency dominikh/go-tools to v2026 by @renovate[bot] in #3446

• @DCjanus made their first contribution in https://github.com/IBM/sarama/pull/3390
• @edoardocomar made their first contribution in https://github.com/IBM/sarama/pull/3420
• @adamdecaf made their first contribution in https://github.com/IBM/sarama/pull/3415

Full Changelog: https://github.com/IBM/sarama/compare/v1.46.3...v1.47.0

• fix: wrap KError into error returned by IncrementalAlterConfig by @prestona in https://github.com/IBM/sarama/pull/3352
• fix: assign sequence when flushing retry buffers by @dnwe in https://github.com/IBM/sarama/pull/3362

• chore(deps): update dependency dominikh/go-tools to v2025 by @renovate[bot] in https://github.com/IBM/sarama/pull/3351
• chore(deps): update dependency vearutop/teststat to v0.1.27 by @renovate[bot] in https://github.com/IBM/sarama/pull/3350
• fix(deps): update module github.com/klauspost/compress to v1.18.1 by @renovate[bot] in https://github.com/IBM/sarama/pull/3355

• chore(ci): extract tool versions and add renovate customManagers by @dnwe in https://github.com/IBM/sarama/pull/3346

Full Changelog: https://github.com/IBM/sarama/compare/v1.46.2...v1.46.3