Are there any long-term side-effects of Covid vaccines?

From mitigating severity and mortality risks associated with emerging COVID-19 variants, the current vaccines have been proven to be well-effective. But will they remain just as promising in the long run?

Are there any long-term side-effects of Covid vaccines?
From mitigating severity and mortality risks associated with emerging COVID-19 variants, the current vaccines have been proven to be well-effective. But will they remain just as promising in the long run?