Upgrade from 5.1.5 to 5.2 (python2.7): OK but the latter to 5.2 (python3): not OK [Resolved]

[dbitouze (Denis Bitouzé)]

@erral

There is a documented procedure to migrate a python 2 Plone to python 3, that includes migrating the ZODB.

You can get the documentation here: https://docs.plone.org/manage/upgrading/version_specific_migration/upgrade_zodb_to_python3.html

OK but, unfortunately, not that easy.