P4K http://www.miscdata.com/cineform/Prospect4Kv341b178-080818.zip
N4K http://www.miscdata.com/cineform/Neo4Kv341b178-080818.zip

Some of the changes include:
Added: Active metadata will now loads 8x8x8, 16x6x16 and 32x32x32 Iridas LUTs.
Added: 24 to 25p conversion to HDLink.
Enahnced: Made DPX2CF faster for SANs.
Enhanced: Updates to DPX2CF, CF2DPX and CFRepair for more speed and flexibility.
Enhanced: Made 23.976 to 24/25p mode accurate (using 24000/1001 not 23976/1000 math.)
Enhanced: faster/smaller LUTs will using for playback but rendering uses the full 65x65x65 precision.
Fixed: a colorspace issue of RAW playback to YUV surfaces
Fixed: an up-scaling artifact in HDLink that happened in the last beta.
Fixed: centercrop HDLink scaling for 4x3 sources into 16x9 outputs.
Fixed: green thumbnails for RAW clips in Premiere's clip bin.