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[feat][ml] Support Bookkeeper Batch Read API

area/ML

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

ready-to-test

type/featureThe PR added a new feature or issue requested a new featureThe PR added a new feature or issue requested a new feature

Status: Open (in progress).

apache/pulsarnumber 25280

#25280 In apache/pulsar;

· dao-jun opened on Mar 4, 2026

[improve][broker] Offload web response from metadata thread for list tenants/namespaces/clusters

area/broker

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

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 (in progress).

apache/pulsarnumber 25284

#25284 In apache/pulsar;

· mattisonchao opened on Mar 4, 2026

[fix][test] Fix flaky EndToEndMetadataTest.testPublishConsume

area/test

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

ready-to-test

Status: Open (in progress).

apache/pulsarnumber 25002

#25002 In apache/pulsar;

· hanmz opened on Nov 20, 2025

[feature][websocket] Enforce access token expiration

doc-requiredYour PR changes impact docs and you will update later.Your PR changes impact docs and you will update later.

ready-to-test

Status: Open (in progress).

apache/pulsarnumber 24563

#24563 In apache/pulsar;

· huibertalblas opened on Jul 25, 2025

[fix] [broker] Fix negative subscription/consumer's unack-messages

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

ready-to-test

release/3.0.17

release/3.3.10

release/4.0.10

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

Status: Open (in progress).

apache/pulsarnumber 24496

#24496 In apache/pulsar;

· poorbarcode opened on Jul 9, 2025

[improve][admin] PIP-416: Add a new topic method to implement trigger offload by size threshold

area/broker

area/tieredstorage

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

type/featureThe PR added a new feature or issue requested a new featureThe PR added a new feature or issue requested a new feature

Status: Open (in progress).

apache/pulsarnumber 24420

#24420 In apache/pulsar;

· JunFu0814 opened on Jun 17, 2025

[improve][pip] PIP-423: Add a new admin API to acknowledge a single message

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

PIP

Status: Open (in progress).

apache/pulsarnumber 24370

#24370 In apache/pulsar;

· Denovo1998 opened on Jun 1, 2025

[fix][test] Fix flaky NegativeAcksTest.testNegativeAcksWithBackoff

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

release/3.0.17

release/4.0.10

Status: Open (in progress).

apache/pulsarnumber 24342

#24342 In apache/pulsar;

· hanmz opened on May 23, 2025

[feat][pip] PIP-419: Support consumer message filter on broker-side for specific subscription

doc-requiredYour PR changes impact docs and you will update later.Your PR changes impact docs and you will update later.

PIP

Status: Open (in progress).

apache/pulsarnumber 24305

#24305 In apache/pulsar;

· AuroraTwinkle opened on May 15, 2025

[improve][pip] PIP-418: Determine the behaviors for components that rely on BookKeeper when BookKeeper is not used

area/broker

docYour PR contains doc changes, no matter whether the changes are in markdown or code files.Your PR contains doc changes, no matter whether the changes are in markdown or code files.

PIP

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 (in progress).

apache/pulsarnumber 24296

#24296 In apache/pulsar;

· BewareMyPower opened on May 13, 2025

[fix][ml] Cancel Metadata Store listeners at shutdown to fix resource leaks in some tests

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

ready-to-test

release/4.0.10

Status: Open (in progress).

apache/pulsarnumber 24256

#24256 In apache/pulsar;

· lhotari opened on May 6, 2025

[improve][meta] Stop election operations when LeaderElectionImpl gets closed

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

ready-to-test

release/3.0.17

release/3.3.10

release/4.0.10

Status: Draft (not ready).

apache/pulsarnumber 23995

#23995 In apache/pulsar;

· lhotari opened on Feb 17, 2025

[improve][client] Implement HTTP client using javax.ws.rs

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

Status: Open (in progress).

apache/pulsarnumber 23905

#23905 In apache/pulsar;

· nodece opened on Jan 28, 2025

[improve][broker] Add dedicated partition configuration for system topics to reduce resource usage

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

ready-to-test

release/3.0.17

release/4.0.10

Status: Open (in progress).

apache/pulsarnumber 23785

#23785 In apache/pulsar;

· zjxxzjwang opened on Dec 26, 2024

[improve] [pip] PIP-394 Add two interfaces CursorMetadataSerializerProvider and CursorMetadataDeSerializerProvider to support newer or customized cursor metadata serializations

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

PIP

Status: Open (in progress).

apache/pulsarnumber 23608

#23608 In apache/pulsar;

· poorbarcode opened on Nov 18, 2024

[improve][test] Split tests module

area/test

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

Status: Open (in progress).

apache/pulsarnumber 23536

#23536 In apache/pulsar;

· heesung-sohn opened on Nov 1, 2024

[fix][broker] Don't allow creating a non-persistent partitioned topic with '-partition-' in name

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

release/4.0.10

release/4.1.4

Status: Open (in progress).

apache/pulsarnumber 23488

#23488 In apache/pulsar;

· hanmz opened on Oct 21, 2024

[fix] [broker] Fix incorrect stat sub.msgBacklogNoDelayed if enabled delayedDeliveryFixedDelayDetectionLookahead

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

release/3.0.17

release/3.3.10

Status: Open (in progress).

apache/pulsarnumber 23353

#23353 In apache/pulsar;

· poorbarcode opened on Sep 26, 2024

[fix][broker] Fix NonDurable Subscription msgBackLog incorrect after topic unload

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

ready-to-test

release/4.0.10

Status: Open (in progress).

apache/pulsarnumber 23305

#23305 In apache/pulsar;

· summeriiii opened on Sep 13, 2024

[improve][pip] PIP-377: Automatic retry for failed acknowledgements

docYour PR contains doc changes, no matter whether the changes are in markdown or code files.Your PR contains doc changes, no matter whether the changes are in markdown or code files.

PIP

ready-to-test

release/4.0.10

type/PIP

Status: Open (in progress).

apache/pulsarnumber 23267

#23267 In apache/pulsar;

· lhotari opened on Sep 7, 2024

[fix][client][txn] Fix client connection closed before using

area/broker

area/client

area/transaction

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

ready-to-test

release/4.0.10

Status: Open (in progress).

apache/pulsarnumber 22749

#22749 In apache/pulsar;

· dao-jun opened on May 20, 2024

[improve][function] Introduced protections against deserialization attacks

area/function

area/security

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

release/3.0.17

release/3.2.5

Status: Open (in progress).

apache/pulsarnumber 22723

#22723 In apache/pulsar;

· aditchawdhary opened on May 16, 2024

[fix] [broker] fix subscribe a non-existent cluster/namespace/topic.

area/test

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

ready-to-test

release/4.0.10

Status: Open (in progress).

apache/pulsarnumber 22715

#22715 In apache/pulsar;

· thetumbled opened on May 15, 2024

[fix] [broker] local metadata sync topic contains configuration events causing all operations stuck

doc-not-neededYour PR changes do not impact docsYour PR changes do not impact docs

ready-to-test

release/2.11.5

release/3.0.17

release/3.3.10

release/4.0.10

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

Status: Open (in progress).

apache/pulsarnumber 22695

#22695 In apache/pulsar;

· poorbarcode opened on May 10, 2024

[improve][misc] PIP-351: Add options to Pulsar-Test client to support KeyStore based TLS

doc-requiredYour PR changes impact docs and you will update later.Your PR changes impact docs and you will update later.

ready-to-test

release/4.0.10

Status: Open (in progress).

apache/pulsarnumber 22692

#22692 In apache/pulsar;

· shasank112001 opened on May 10, 2024