Following previous coverage (here), Australia’s Minister for Foreign Affairs and Timor-Leste’s Deputy Minister Assisting the Prime Minister on Boundary Delimitation, signed the Treaty Between Australia and the Democratic Republic of Timor-Leste Establishing Their Maritime Boundaries in the Timor Sea, 6 March 2018, at the United Nations Headquarters. The agreement may be found here.
For further information, see the respective press releases of Timor-Leste (2), Australia (2) and the PCA. A video of the proceedings is available here.

Maritime Boundaries in the Timor Sea. Source: Australian Government, Department of Foreign Affairs and Trade