[krosaen]

Is this a 2x -> 3x gripe, or is there something specific in this release that breaks compatibility?

[TazeTSchnitzel]

If anything it should help, what with the u"" syntax being allowed now.

[tisme]

I gave up before this release.

edit: oh my, that's a lot of downvotes for answering a question.

[sbmassey]

Python deliberately broke stuff in the 3.0 release, in order to get rid of some (minor) cruft, but other than that it is as backwards compatible as anything else.

Complaining about backwards compatibility on the 3.3 release news item makes people think you have some specific issue in mind.