The new executive order is set to take effect March 16. Meanwhile, critics, including Hawaii officials, are considering more legal action.
A proposal to reduce the use of and length of inmate isolation is headed for a vote of the full Hawaii Senate.
The president said he would rescind his earlier travel ban — now stalled in court — and instead issue another one.
Meanwhile, a judge in Honolulu allows Hawaii to add another plaintiff in its suit against the Trump administration.
The lawsuit sought to ensure Native Hawaiians being held in an Arizona prison could engage in customary religious practices.