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[Bug] Geo-replication V2 dedup watermark can be lost after target topic reload

Status: Open.

#25861 In apache/pulsar;

· void-ptr974 opened on May 23, 2026

[Improve][Offload] Automatic managed ledger offload triggers can create redundant retry loops

Status: Open.

#25859 In apache/pulsar;

· void-ptr974 opened on May 23, 2026

[Bug][ML] ManagedLedger.terminate() can race with ledger rollover and make a terminated ledger writable again

Status: Open.

#25858 In apache/pulsar;

· void-ptr974 opened on May 23, 2026

[Bug][Client] hasMessageAvailable() throws UnsupportedOperationException when consumer created via newConsumer().subscribe() before any message is read

type/bugThe PR fixed a bug or issue reported a bugThe PR fixed a bug or issue reported a bug

Status: Open.

#25837 In apache/pulsar;

· jaro-herod opened on May 20, 2026

[Bug] broker: Stale backlog after creating Earliest subscription on trimmed topic

type/bugThe PR fixed a bug or issue reported a bugThe PR fixed a bug or issue reported a bug

Status: Open.

#25813 In apache/pulsar;

· ShuKe-code opened on May 19, 2026

[improve][fn] Apply incremental reload to FunctionsManager (mirror connector reload）

type/enhancementThe enhancements for the existing features or docs. e.g. reduce memory usage of the delayed messagesThe enhancements for the existing features or docs. e.g. reduce memory usage of the delayed messages

Status: Open.

#25791 In apache/pulsar;

· Dream95 opened on May 15, 2026

[sec] org.apache.avro:avro contains CVE-2025-33042

type/enhancementThe enhancements for the existing features or docs. e.g. reduce memory usage of the delayed messagesThe enhancements for the existing features or docs. e.g. reduce memory usage of the delayed messages

Status: Open.

#25783 In apache/pulsar;

· adarshhm6 opened on May 15, 2026

test e2e deletion of topics with namespace multi-consumer

Status: Open.

#25718 In apache/pulsar;

· merlimat opened on May 7, 2026

[Bug] WebSocket ReaderHandler returns 500 for invalid messageId query parameter

type/bugThe PR fixed a bug or issue reported a bugThe PR fixed a bug or issue reported a bug

Status: Open.

#25708 In apache/pulsar;

· andrewt-8x8 opened on May 7, 2026

[doc] Document Pulsar's concurrency model and memory backpressure model

Status: Open.

#25699 In apache/pulsar;

· lhotari opened on May 6, 2026

Distinguish topic close vs delete state and apply consistent guards in scheduled jobs and admin APIs

area/broker

type/enhancementThe enhancements for the existing features or docs. e.g. reduce memory usage of the delayed messagesThe enhancements for the existing features or docs. e.g. reduce memory usage of the delayed messages

Status: Open.

#25688 In apache/pulsar;

· lhotari opened on May 5, 2026

Implement topics stats and segment stats

Status: Open.

#25686 In apache/pulsar;

· merlimat opened on May 5, 2026