New nuclear is most certainly not dead - Both China and Russia are busy building more nuke plants for baseload. China has even greenlit (2023) the buildout of a thorium power plant [1]. If successful, this would reduce proliferation risks as well as removing fuel availability issues as thorium is plentiful [2].

[1] https://interestingengineering.com/innovation/thorium-molten...

[2] https://en.wikipedia.org/wiki/Thorium-based_nuclear_power