boostorg/mqtt5

A C++17 MQTT client based on Boost.Asio.

Beginner friendly Everything

Open All

7 open issues indexed

heap-use-after-free on cancel()/destruction while the client is connecting — reconnect write_op holds a dangling reference to async_sender Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

boostorg/mqtt5#55 · 1 comment · Opened Jul 23, 2026
Unbounded Write Queue in Boost.MQTT5 Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

boostorg/mqtt5#53 · 1 comment · Opened Jul 3, 2026
Use `boost::span` instead of passing `std::vector` by ref Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

boostorg/mqtt5#49 · Opened Mar 17, 2026
Proxy support & OS X Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

boostorg/mqtt5#48 · 2 comments · Opened Feb 24, 2026
How to access to retain flag value after received a message with async_receive ? Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

boostorg/mqtt5#42 · 4 comments · Opened Nov 4, 2025
connect_op.hpp is missing the start_clean configuration feature. Open

Difficulty 1/5 Under an hour Newbie friendliness 76/100

boostorg/mqtt5#29 · 7 comments · Opened Mar 19, 2025
Support for unix socket Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

boostorg/mqtt5#16 · 1 comment · Opened Oct 17, 2024

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