Measurement afterburners in meas_base have been refactored into a new plugin system. (DM-4887)
An investigation into Cython and pybind11 as a replacement for SWIG has now completed with the conclusion that pybind11 looks very promising. (DM-5471, DM-5676)
validate_drp has been updated to use well-motivated theoretical fits to the astrometric and photometric performance measurements based on derivations from the LSST Overview paper. (DM-5660)
Documentation
DMTN-007: Dipole characterization for image differencing.
DMTN-008: Introducing validate_drp: Calculate SRD Key Performance Metrics for an output repository.