danielle.d-avout writes:
I know Plone beta3 is a beta version... it's only a case example
... as several css in plone_styles went missing, all the customized stuff using them explicitly go wrong [the migration was for me a (relative..) catastrophy, as in the process of learning, I just tackle customizing (not filling my site with contenus) ] You cannot be sure:
Any Zope upgrade and any (independent) product upgrade may break something in your application. Usually, nothing breaks or it takes yours a few hours to a few days to fix what has broken. But, their is no garantee. This is not specific to Zope or open source: Upgrade your MS Windows OS or Office Suite and, likely, some things that happily worked in the earlier release stop working... Dieter