The new vaccines are always outdated by the time they get to market, it just mutates too fast. For example Omicron emerged in November 2022, and booster shots for Omicron weren’t available until far later. And now the disease is much more diverse.

No vaccine technology will be able to solve that on its own. There would need to be a significant change in risk tolerance of approving and manufacturing vaccines and deploying them on a rapid timescale.