Did Jesus go to sheol/hades? Yes, according to Ephesians 4:8–10 and 1 Peter 3:18–20.
Since then Heaven is the third Heaven where God rules.
The judgment side of sheol/hades, or the place we call Hell has remained unchanged. All unbelieving dead go there awaiting their final judgment in the future.
Since the resurrection of Jesus Christ every believer who dies goes straight to the third Heaven to be with God. Alcorn and other call this the intermediate or temporary Heaven. Why? Because God will restore the Earth and it will become the eternal Heaven.
Don’t be confused. The abodes, or the place where the saved and the lost go when they died are both generally called “hades” in the Bible.
So the essential difference between hades and hell is that hades is generally associated with death and the grave while hell is generally associated with burning and punishment.
The word “hades” does not appear in the King James Version of the Bible. In the Old Testament the Hebrew word most commonly translated “hell” is sheol, the grave. Thus many people say that the Old Testament had no conception of an afterlife. In the New Testament there are two Greek words that the King James Version often translated as “hell”—hades and gehenna. Hades is used eleven times, and gehenna twelve times.
For all practical purposes in our lives here on Earth there is possibly no real major distinction between the two. They are both characterized as places we don’t want to go