There are two modification:

There are two modification:
-  [2011 OCDB-OADB synchronization]: it's the port of  a OCDB modification committed the past week so that survey11 collection corresponds to the OCDB content (as
it should)
- [new collection with GetObject_by_run access]: added the  new collection  'EmcalMatrices'. It's the general collection where all the official matrices are stored:
there is an object per year (as for OCDB), the validity ranges are the same as for OCDB. So, now the sets of matrices can be obtained "by run number" (getting the
official set for that run) or   "by collection name" (still there for back-compatibility, but also to  keep some  modified alignment sets used for test  and
systematics studies)

Marco Bregant