The Doctor learned in The Day of the Doctor (2013) that the Time Lords are not dead, yet still states that they are.
The Master destroyed Gallifrey after learning about Timeless Children. He made the Time Lords bodies into Cyberman. The planet got destroyed by the explosion of a death particle, as seen in The Timeless Children (2020).
If everything had been destroyed on that date, Rylan could not have been cryogenically frozen.
Fluid would not be liquid exposed to spaces vacuum.