This specification extends IMF Application #2 with support for image frames with: colorimetry specified in IEC 61966-2-4 and Recommendation ITU-R BT.2020; color primaries specified in SMPTE RP 431-2; high-dynamic range using the transfer function specified in SMPTE ST 2084; and a maximum width and height of 4096 and 3112 pixels, respectively.