Biopython 1.79 has been released and is available from our website and PyPI. This is the final release supporting Python version 3.6. It also supports Python versions 3.7, 3.8, and 3.9, as well as PyPy 3.6.1 v7.1.1. The major changes in this version are listed below: - The Seq and MutableSeq classes in Bio.Seq now inherit from the same base class, ensuring their mutual consistency.