These draft notes cover the major updates made by Data Release Production to the LSST stack since release 11.0 (Summer 2015). Please record significant updates here so that they can ultimately be incorporated into the notes accompanying the Winter 2016 release.
The following fixes resolve problems visible to end users.
NaiveDipoleCentroid and NaiveDipoleFlux algorithms no longer require centroidsThese algorithms do not use centroids internally, but, since they mistakenly included SelfCentroidExtractors, it was impossible to initialize them unless a Centroid slot had been defined. This has been fixed by removing the SafeCentroidExtractors from the algorithm definitions.
These improvements should not usually be visible to end users. They may, however, be important for developers.