Under the new rules, some of the president’s powers would be clipped and parliament’s powers expanded. The constitution will also change the status of the State Council, making it a low-profile body that advises the president. Observers say that this time he will not switch positions with the prime minister. Instead, they believe he will be given a special state organ to lead (the State Council), which will allow him to retain power.
https://www.neweurope.eu/article/putin-remains-ambiguous-about-his-future-role/