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They confirmed[0] that the Hubble Tension[1] is a valid discrepancy between the two different ways of measuring the expansion of the universe.

[0] https://iopscience.iop.org/article/10.3847/2041-8213/ad1ddd

[1] https://en.wikipedia.org/wiki/Hubble%27s_law#Hubble_tension

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Two different ways in two different times in the lifetime of the universe.

expansion rate in the early universe << expansion expansion rate.

-> accelerated expansion .

No. The fact that the expansion is accelerating was already established by supernovae measurements alone [0]. The Hubble tension is about the degree of acceleration, not about whether there is an acceleration or not.

[0] https://en.wikipedia.org/wiki/Accelerating_expansion_of_the_...

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