Back in 2020, SARS-CoV-2 had a mutation rate of 4E-4 substitutions/position/year/ which means there was 1 new nucleotide change every month. Well, right now it's 2.6E-3 which translates in 6.5 new nucleotides every month and it's ridiculously high. Also dN/dS is overall positive right now which means that those new mutations are advantageous.
I told you 6 months ago that the vaccine will be useless since November and December, and look at Gibraltar for example that has the population 100% triple dose vaxxed, look at them right now having the biggest outbreak since 2020.