That has come to you. In the same way, the gospel is bearing fruit and growing throughout the whole world – just as it has been doing among you since the day you heard it and truly understood God's grace. (NIV)

Which has come to you. Indeed, in the whole world [that Gospel] is bearing fruit and still is growing [by its own inherent power], even as it has done among yourselves ever since the day you first heard and came to know and understand the grace of God in truth. [You came to know the grace or undeserved favor of God in reality, deeply and clearly and thoroughly, becoming accurately and intimately acquainted with it.] (AMP)

Which is come unto you, as it is in all the world; and bringeth forth fruit, as it doth also in you, since the day ye heard of it, and knew the grace of God in truth: (KJV)