This after the party was postponed for two weeks to give him more time to recover. He’s not been seen in public for four months and details of his illness have not been made public.
It’s becoming obvious Castro will not ever be back on the job and probably doesn’t have long to live. How the transition of power is handled is key to the stability of Cuba. The US will of course try to “bring democracy” there, and with an enfeebled leader, all sorts of currents and power plays are probably already occurring.
My guess: There will be major changes, but their socialist system will remain intact.