Perhaps fans overlook logistics. One would want all the blocks to be as similar as possible. It simplifies supply chain and maintenance.
The aircraft just needs to continue its evolution in terms of avionics and weapons. That is the single most important thing. It does not need external changes, EFTs etc. because those aren't of importance in the current scenario.
Being able to see farther and kill farther is the single most important thing for the JF-17. Looks don't kill, its avionics and weapons that do and block 3 intends to upgrade in this regard.
The aircraft just needs to continue its evolution in terms of avionics and weapons. That is the single most important thing. It does not need external changes, EFTs etc. because those aren't of importance in the current scenario.
Being able to see farther and kill farther is the single most important thing for the JF-17. Looks don't kill, its avionics and weapons that do and block 3 intends to upgrade in this regard.