If I check their last service pack for supported cams, is seems to be pre-D3300 release.
[h=4]New Camera RAW support[/h]
- Canon EOS 70D, EOS C500, PowerShot G16, PowerShot S120
- Fujifilm HS2, F900EXR, X-A1, X-E2, X-M1, XQ1
- Nikon Df, D5300, D610, COOLPIX P7800, 1 AW1
- Leica C (Type 112)
- Olympus E-P5, E-PL6, E-M1, STYLUS 1
- Pentax K-3
- Panasonic DMC-FZ7, DMC-LF1, DMC-GM1, DMC-GX7
- Samsung EK-GN120, GX20
- Sony DSC-RX100M2, DSC-RX10, ILCE-7R, ILCE-7, ILCE-3000, NEX-5T
I don't see any update after that but maybe someone here uses it and knows if there are separate patches.