up to date
We're up to date on that.
Estamos al corriente, no podemos hacer nada.
We're all caught up, so there's nothing we can do.
— [REC] (2007)
Estamos al corriente del problema.
We are aware of the problem.
Viendo que no estás sorprendido, creo que debes estar al corriente.
Since you're not surprised, I assume you're already aware.