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The May 2021 release of our software provides many new features, improvements and fixes!

Table of Contents



ecCodes, the heart of GRIB and BUFR handling, brings several features and bug fixes in version 2.22.0.

Please note that ecCodes' Python 2 interface is no longer being developed. Users are strongly advised to migrate to Python 3.
Also the pip package name has changed to 'eccodes'. Please use this command to install the ecCodes Python bindings:


  • Improved support for title creation in Metview
  • Improved automatic styling 
  • Major refactoring of the code


Metview 5.12.0 brings a number of fixes for performance and stability, including:


Metview is built at ECMWF with all the versions of our libraries listed in the table below, and all are included in the Metview Bundle


The software versions of this release are available on all ECMWF computer systems as "new" versions. Versions on conda should be available in the coming days. If you encounter any issues please feel free to send feedback to