Announcements of program updates and other information related to X-13ARIMA-SEATS, Win X-13, and other programs are distributed through a moderated mailing list called X13 Announcements.
Version 3.1 of Win X-13, the Windows interface to X-13ARIMA-SEATS
Version 3.1 of X-13-Graph Java, X-13-Graph Batch, and the Windows interface for X-13-Graph Batch
An updated version of X-13ARIMA-SEATS was released on August 2, 2021. PC and Linux/Unix versions of Build 58 of Version 1.1 and notes on the release are available on this site.
Updated versions of several software packages were released on June 15, 2020