It's good news that PMDG release the upgrade installer for PMDG 737-600/700.
It's quite busy since the release of P3D V4 for PMDG, the P3D V4 support product line now include PMDG 747-400 II, PMDG 737-800/900, PMDG 737-600/700, PMDG 777-200LR/F, PMDG 777-300ER.