Lightroom 5.7 released...

After downloading all 953 MB (yes, nearly 1 GB) of Lightroom 5.7, you should have camera support for the Pentax:
K-S1 and Q-S1...
New lens support in 5.7 also includes the HD Pentax DA:
645 28-45mm F4.5 ED AW SR
16-85mm F3.5-5.6 ED DC WR
and, 20-40mm F2.8-4 Limited, lenses...