Christian

Closing this PR because we can address this issue with version 5 of this library which will not require converting other data types properly. The ReadOnlySequence will become the default.

Do you have access to the EMQX logs and see any errors or something of interest? I tested with the public broker at "broker.emqx.io" and it can connect with protocol...

It seems that you selected a TCP connection. So the part "/mqtt" is wrong at the host test box. Also please share the code in the ticket. We will not...

I am wondering how to get the matching retained messages from the database. If the topic contains no wildcards ist might be working (or some usages of #). But how...

This is probably more a topic for the MAUI Team because we just use Sockets from the .NET Framework and have little to no platform dependant code (UWP only). Which...

How many clients to you connect? Please also share the code how you publish the messages.

What error do you get on client side if the connection was not successful?

Please share the code which uses the managed client. In general I recommend to not actively work with the internal client. It is (or should) be maintained properly internally by...

User properties require protocol version 5.0.0 to be used. You can set it at the client options. Usually the library will throw an exception when not supported features are used...

Duplicate of #1830.