doc: mgmt: mcumgr: Add note on issues with go tool
Adds a note that the MCUmgr go application has many faults and
is not recommended to be used in a production environment.
@@ -43,6 +43,15 @@ Command-line Tool
MCUmgr provides a command-line tool, :file:`mcumgr`, for managing remote devices.
The tool is written in the Go programming language.
+.. note::
+ This tool is provided for evaluation use only and is not recommended for
+ use in a production environment. It has known issues and will not respect
+ the MCUmgr protocol properly e.g. when an error is received, instead of
+ aborting will, in some circumstances, sit in an endless loop of sending the
+ same command over and over again. A universal replacement for this tool is
+ currently in development and once released, support for the go tool will be
+ dropped entirely.
+
To install the tool:
.. tabs::
