> I tried to migrate to 2.0 but it is a huge work as everything changes !
Well, not everything. ;-) There are some major changes, but most of them are fairly easy to reconcile: https://cwiki.apache.org/PIVOT/major-feature-changes-between-15x-and-20.html The biggest change is probably renaming .wtkx to .bxml, but that is mostly a rename/search-and-replace fix. G
