This release is a major upgrade, mainly including native support for namespace Settings and support for the v2 version of the RocketMQ protocol. The stability of the core is further improved.

New Future:

• ISSUE-207 feat(namespace): add namespace support.
• ISSUE-225 feat(protocol): try to use command v2 to send messages.
• ISSUE-235 feat(interface): remove boost in header file and examples.
• ISSUE-238 feat(package): add rpm build and dpkg build script.

Improvement:

• ISSUE-206 refactor(rebalance): use smart_ptr to manage pullrequest and refactor rebalancing process.
• ISSUE-214 test(unittest): refactor some unitests.
• ISSUE-222 refactor(client): add timer to clean the offline brokers and and test case for it.
• ISSUE-227 refactor(memleak): remove mem leak in the factory schedule task.
• ISSUE-230 feat(version): add maxConsumerTimes to support higher client version.
• ISSUE-232 feat(callback): use start pointer to manager callbacks.
• ISSUE-233 refactor(consumer): remove event if consumer service shutdown.
• ISSUE-236 style(apis): remove unnessary comments in the CPP head files.

Bug:

• ISSUE #209 fix(consumer): fix the issue that message will be lost if sent back to broker failed.
• ISSUE #210 fix(consumer): the message was sent back to broker error when it be consumed failed.
• ISSUE #213 fix(producer): fix the issue that it will coredump in DestroyProducer function when the producer shutdown.
• ISSUE #220 chore(notice): update the year to 2020 in notice file.
• ISSUE #223 style(protocol): remove unnessary printing in the protocol decode file and add some test cases for it.
• ISSUE #228 feat(libevent): update libevent to v2.1.11 to avoid get mutex time out.
• ISSUE #237 fix(build): fix variable in build script.