Check out the most recent changes.
On this page you can find an overview of the changes through different versions.
Note that the file format has not changed between versions, .cps files are backwards compatible.
The same goes for (generated or hand-written) standAlone-sourcecode, both are always backwards-compatible.
For specific backward compatible issue's, look for the 'Depreciated' sections.
Please choose the version with the changes on the right side.