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Support message headers in rd_kafka_produce_batch()

Status: Open.

#5559 In confluentinc/librdkafka;

· Pastukhov Nikita (Lancetnik) opened on Aug 4, 2026

Clang CFI icall type mismatch in rd_list_remove_cmp and string comparators

Status: Open.

Bug

#5558 In confluentinc/librdkafka;

· Eric Xu (EricFXU) opened on Jul 28, 2026

Backward compatibility regression in ssl.certificate.pem parsing introduced by #4894

improve docs

Status: Open.

#5556 In confluentinc/librdkafka;

· Oleg Babin (olegrok) opened on Jul 28, 2026

int_latency stat is wildly wrong (huge negative value) when message.timeout.ms is set to infinite (0)

Status: Open.

#5555 In confluentinc/librdkafka;

· Dmitriy Kargapolov (x0id) opened on Jul 24, 2026

Make OpenTelemetry support a build-time optional

enhancement

status:waiting-for-interestValid idea, not on roadmap — waiting for community interest or demandValid idea, not on roadmap — waiting for community interest or demand

Status: Open.

#5553 In confluentinc/librdkafka;

· David Holm (dholm) opened on Jul 23, 2026

Consumer returns NULL key/value for legacy MessageSet format (message.format.version < 0.11) since v2.5.0

Status: Open.

Bug

#5549 In confluentinc/librdkafka;

· Thomas (delthas) opened on Jul 15, 2026

Upgrade OpenSSL to 3.6.3 to resolve several security vulnerabilities

security

Status: Open.

#5548 In confluentinc/librdkafka;

· enkayjee opened on Jul 14, 2026

Repeated ALL_BROKERS_DOWN error on every re-bootstrap cycle during sustained outage (metadata.recovery.strategy=rebootstrap)

Status: Open.

#5546 In confluentinc/librdkafka;

· Marko Lahma (lahma) opened on Jul 8, 2026

Snappy disabled by default with vcpkg

Status: Open.

#5531 In confluentinc/librdkafka;

· Marten Homma (martenmh) opened on Jun 24, 2026

Permanent CPU degradation and bloated Producer statistics JSON after pod overlap during deployment

Status: Open.

#5528 In confluentinc/librdkafka;

· daniel-petrov-flows opened on Jun 23, 2026

rd_kafka_send_offsets_to_transaction() hangs when the group coordinator is decommissioned

Status: Open.

Bug

#5511 In confluentinc/librdkafka;

· morgando opened on Jun 18, 2026

Data loss consuming legacy (magic v0/v1) message-format topics over flexible Fetch

status:under-reviewUnder review for prioritization or acceptanceUnder review for prioritization or acceptance

Status: Open.

#5504 In confluentinc/librdkafka;

· Giuseppe Lillo (giuseppelillo) opened on Jun 16, 2026