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[refactor]Change Subscribe/Unsubscribe gRPC APIs from Single to Batch Semantics

breaking-change

enhancementNew feature or requestNew feature or request

mqtt

performance

Status: Open.

#1700 In robustmq/robustmq;

· robustmq opened on Jan 31, 2026

[Feat] Multi-Tenancy Support via MQTT 5.0 User Properties

kind:featNew featureNew feature

mqtt

mqtt5

Status: Open.

#1698 In robustmq/robustmq;

· robustmq opened on Jan 29, 2026

[BUG] Memory Leak in Retain Message Cache - Expired Messages Not Cleaned Up

kind:bugSomething isn't workingSomething isn't working

memory-leak

mqtt

priority:high

Status: Open.

#1694 In robustmq/robustmq;

· robustmq opened on Jan 29, 2026

[Refactor] Refactor the adaptation layer of the MQTT protocol to make it more in line with the MQTT protocol standards

enhancementNew feature or requestNew feature or request

kind:refactor

Status: Open.

#1676 In robustmq/robustmq;

· PorterZhang2021 opened on Jan 8, 2026

[Enhancement] Add retry mechanism for delay message processing to prevent data loss

enhancementNew feature or requestNew feature or request

priority:high

reliability

Status: Open.

#1671 In robustmq/robustmq;

· robustmq opened on Jan 5, 2026

[Enhancement] Add concurrent control for expired message processing in delay queue recovery

enhancementNew feature or requestNew feature or request

performance

reliability

Status: Open.

#1669 In robustmq/robustmq;

· robustmq opened on Jan 5, 2026

[Enhancement] Add crash recovery checkpoint mechanism for delay queue recovery

enhancementNew feature or requestNew feature or request

reliability

Status: Open.

#1668 In robustmq/robustmq;

· robustmq opened on Jan 5, 2026

[Feat] Development of RobustMQ Bench Cli

kind:featNew featureNew feature

Status: Open.

#1665 In robustmq/robustmq;

· socutes opened on Jan 3, 2026

[Feat] Meta Command Cli Development

kind:featNew featureNew feature

Status: Open.

#1664 In robustmq/robustmq;

· socutes opened on Jan 3, 2026

[Refactor]Optimize the mutex implementation in NodeConnection

enhancementNew feature or requestNew feature or request

kind:refactor

Status: Open.

#1653 In robustmq/robustmq;

· socutes opened on Dec 27, 2025

[Refactor]Optimize the mutex implementation in NodeConnection

enhancementNew feature or requestNew feature or request

kind:refactor

Status: Open.

#1652 In robustmq/robustmq;

· socutes opened on Dec 27, 2025

[Feat]Zero-copy optimization further enhanced

kind:featNew featureNew feature

Status: Open.

#1650 In robustmq/robustmq;

· socutes opened on Dec 27, 2025