This was all conjecture as
@Tps43 still chooses to be less than forthcoming about his clues. But nonetheless, neither Tps43 nor I put any time frame as to when they would be coming and what it's going to be.
The deal for S-500 could be signed in a few months with delivery scheduled for a much later date.
The Krasukha-4 is arguably the most potent EW system in the world for broadcast jamming. It's performance was all too apparent in Syria.
The keywords of Tps43's clue were ... Multirole, Game-Changer, Not an Aircraft & for PAF service. Hence the above two certainly fulfill all these except for Multirole fully.