https://arxiv.org/pdf/1808.01740.pdf
A second team did however find only 1 sigma confidence that these results are correct
https://iopscience.iop.org/article/10.1088/1475-7516/2020/03/021/meta
This can be compared to the over 5 sigma evidence that dark energy is getting stronger likely leading to a big rip, this would still allow for a cyclic model but it would be different from conformal cyclic cosmology.
https://arxiv.org/abs/1907.10625
https://arxiv.org/abs/1911.06456
https://arxiv.org/abs/2003.07355
https://skyandtelescope.org/astronomy-news/tension-continues-hubble-constant/
https://www.intechopen.com/online-first/the-tension-over-the-hubble-lemaitre-constant
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