Issues

• [feature request] Support scalable topics (PIP-460)

  apache/pulsar-client-go#1548 · Filter by author MyMirelHub opened on Oct 16, 2026

• [Bug][Producer] ReceivedSendReceipt()'s non-atomic Peek()+Poll() can dequeue the wrong pending item: silent message loss, leaked memory-limit/semaphore reservations, and a double-done() panic path

  apache/pulsar-client-go#1546 · Filter by author key-qinllin opened on Oct 15, 2026

• [Bug] In-flight ACK receipt blocks consumer reconnection until OperationTimeout after topic unload

  apache/pulsar-client-go#1543 · Filter by author renatogalera opened on Oct 14, 2026

• WaitForExclusive producer is permanently fenced after broker restart and cannot recover

  apache/pulsar-client-go#1541 · Filter by author zbye opened on Sep 28, 2026
  2

• [Bug] Concurrent transactional ACKs can crash in registerAckTopic

  apache/pulsar-client-go#1536 · Filter by author Ebispongebob opened on Sep 10, 2026

• [Bug] Transactional ACKs omit batch size, causing Shared consumers to stop receiving

  apache/pulsar-client-go#1534 · Filter by author Ebispongebob opened on Sep 9, 2026

• Bug: Encrypted batch messages fail to deserialize when compression is disabled

  apache/pulsar-client-go#1527 · Filter by author n2tp9 opened on Aug 19, 2026

• [CVE] Replace github.com/hamba/avro usage

  apache/pulsar-client-go#1526 · Filter by author gregfurman opened on Aug 5, 2026
  2

• Producer encryption key metadata is never refreshed after first message

  apache/pulsar-client-go#1523 · Filter by author jfretheim opened on Jul 15, 2026

• Consumer on a non-persistent topic receives only the first message (MessageID (0,0) dedup)

  apache/pulsar-client-go#1519 · Filter by author VitorNathanG opened on Jul 2, 2026

• [PIP] Add Consumer.RedeliverUnacknowledgedMessages()

  apache/pulsar-client-go#1510 · Filter by author PavelZeger opened on Jun 2, 2026
  2

• [PIP] Add StartPaused option to ConsumerOptions

  apache/pulsar-client-go#1508 · Filter by author PavelZeger opened on May 30, 2026
  2

• [PIP] Add Pause() / Resume() to Consumer

  apache/pulsar-client-go#1504 · Filter by author PavelZeger opened on May 21, 2026
  5

  

• Transactional publishes do not set txn id in MessageMetadata

  apache/pulsar-client-go#1498 · Filter by author jiangmocc opened on May 19, 2026

• Nil pointer panic in sendRequest.done() during producer reconnection via FailTimeoutMessages

  apache/pulsar-client-go#1497 · Filter by author lin-sh opened on May 18, 2026
  1

• [PIP] Add BatchReceive to Consumer

  Feature

  apache/pulsar-client-go#1496 · Filter by author PavelZeger opened on May 16, 2026
  5

  

• Consumer message loss due to duplicate reconnection

  apache/pulsar-client-go#1461 · Filter by author bluecucumber1989-commits opened on Jan 23, 2026
  1

• No need to call GetPartitionedTopicMetadata for old topics if user specifies DeadLetterTopic/RetryLetterTopic in options.DLQ

  apache/pulsar-client-go#1458 · Filter by author Kybxd opened on Jan 21, 2026
  1

• Avoid potential deadlock: in client struct split mem limit controller to two, in client options separate mem limit for consumer and producer

  apache/pulsar-client-go#1455 · Filter by author ting-xu opened on Jan 8, 2026
  3

• [BUG] invalid message key

  apache/pulsar-client-go#1452 · Filter by author ShuKe-code opened on Dec 17, 2025

• [Bug] Producer will stuck in Send() when a message chunk number larger than MaxPendingMessages

  apache/pulsar-client-go#1448 · Filter by author geniusjoe opened on Dec 11, 2025
  1

  

• Incorrect implementation of condition variable

  apache/pulsar-client-go#1438 · Filter by author JeffPhoneix opened on Nov 14, 2025
  1

• [Bug] Pulsar Go Client consumer memory limit does not work as expected

  apache/pulsar-client-go#1427 · Filter by author danielchang-Z opened on Sep 30, 2025
  2

• [Bug]Partition consumer not recreated after error and closure

  apache/pulsar-client-go#1426 · Filter by author danielchang-Z opened on Sep 29, 2025

• [Bug] Message loss caused by returning msgId -1:-1:x after the server turns on deduplication

  apache/pulsar-client-go#1407 · Filter by author zcola opened on Aug 18, 2025
  2