It's like the AESA radar : the hardware is something, and it evolves also (GaaS => GaN ...) but the software is another big part.
SPECTRA evolves at each standard of the Rafale : LF1, F1, F2.1, F2.2, F3.0, F3.1, F3.2, F3.3, F3.4, F3R, next F4 ... and the software and may be more important...