In the next release, the installation of tools for the METAR format will be disabled by default. It can be enabled via the cmake option -DECCODES_INSTALL_EXTRA_TOOLS=1ON
Info
Please note: There is a new webpage for the Migration to GRIB2: Migration to GRIB2 This webpage also includes a section where changes in the parameter encodings for the coming ecCodes versions are documented: Changes in the parameter encodings