Release 1.4.2 is relatively small and is mostly focused on tidying up the way the library manages the connection status. Previously sync/ atomic was used to read/update the status but this led to a range of potential deadlocks, and workarounds to avoid these, which made the code difficult to follow. The new connectionStatus separates status handling from client and should simplify further development whilst resolving potential race conditions. It is my hope that users will not notice any change (@master was updated on 10th August and the updated code has been running in production at a few sites since then without issue).
A further change is that it is now possible to disable auto acknowledgment so that received messages can be manually acknowledged (or, more to the point, not acknowledged!).
Thanks to everyone who submitted issues and contributed code (list of the main merged pull requests below):
Resolve situation where broker accepted connection but did not respond to CONNECT packet in a timely manner (should be very unusual but was reported in #597). @MattBrittan in #603
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Bumps github.com/eclipse/paho.mqtt.golang from 1.4.1 to 1.4.2.
Release notes
Sourced from github.com/eclipse/paho.mqtt.golang's releases.
Commits
a1800d8Merge pull request #578 from shivamkm07/master2518954Ack when AutoAckDisabled is off35f45adChanging AutoAck -> AutoAckDisabled5c775c2Adding AutoAck option in ClientOptions7b1c0ebRevert "Support for AutoAckOff"079a117Rearchitect status handling as per issue #6052b1657aRearchitect status handling as per issue 605bc0e78bMerge pull request #606 from ChIoT-Tech/master312d578Resolve race condition and ensure t.Error is not called from goroutine.0300b68Merge pull request #603 from ChIoT-Tech/master - hang on connect (597)Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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