1.. SPDX-License-Identifier: CC-BY-SA-2.0-UK 2 3Release 4.2 (mickledore) 4======================== 5 6Migration notes for 4.2 (mickledore) 7------------------------------------ 8 9This section provides migration information for moving to the Yocto 10Project 4.2 Release (codename "mickledore") from the prior release. 11 12.. _migration-4.2-python-3.8: 13 14Python 3.8 is now the minimum required Python version version 15~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~------------ 16 17BitBake and OpenEmbedded-Core are now relying on Python 3.8, 18making it a requirement to use a distribution providing at least this 19version, or to use :term:`buildtools`. 20 21.. _migration-4.2-qa-checks: 22 23QA check changes 24~~~~~~~~~~~~~~~~ 25 26.. _migration-4.2-misc-changes: 27 28Miscellaneous changes 29~~~~~~~~~~~~~~~~~~~~~ 30 31- The ``OEBasic`` signature handler (see :term:`BB_SIGNATURE_HANDLER`) has been 32 removed. 33 34.. _migration-4.2-removed-variables: 35 36Removed variables 37~~~~~~~~~~~~~~~~~ 38 39The following variables have been removed: 40- ``SERIAL_CONSOLE``, deprecated since version 2.6, replaced by :term:``SERIAL_CONSOLES``. 41 42.. _migration-4.2-removed-recipes: 43 44Removed recipes 45~~~~~~~~~~~~~~~ 46 47The following recipes have been removed in this release: 48 49