SERAPHIM Blueprint is an evolution of the original SERAPHIM.
The original version had 4 wavetable oscillators but operated duophonically (4x2 sounds at the same time). SERAPHIM Blueprint has just one wavetable oscillator but is polyphonic and has many wavetable reading modes. Blueprint also has many more modulation sources.
The spring reverb module is gone, replaced by a section of filters with modulations (envelopes & LFOs).
The resonators are different too. Blueprint offers two types of resonator: atonal or chromatic.