DYNA Fall 2025: 29-30 September. More info

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      Dyalog Legacy Documentation

      This page provides links to documentation for previous releases of Dyalog.

      Documentation for the latest release

      Supported Dyalog Versions

      Supported versions of Dyalog usually cover the current release and two previous releases. Any bugs that are reported/discovered will be fixed in these releases, and updates made available to anyone who has DSS membership.

      v18.2

      Dyalog v18.2 was released in March 2022. It is supported under Microsoft Windows, IBM AIX, Linux (including the Raspberry Pi), and Apple macOS.

      v18.0

      Dyalog v18.0 was released in June 2020. It is supported under Microsoft Windows, IBM AIX, Linux (including the Raspberry Pi), and Apple macOS.

      v17.1

      Dyalog v17.1 was released in October 2019. It is supported under Microsoft Windows, IBM AIX, Linux (including the Raspberry Pi), and Apple macOS.

      Unsupported Dyalog Versions

      Unsupported versions of Dyalog usually cover releases that are more than three releases ago. Any bugs that are reported/discovered will be fixed in supported releases but not in supported releases.

      Get Support

      Technical advice and assistance on all aspects of Dyalog usage is available by e-mail (support@dyalog.com) and/or telephone (+44 1256 830030 – limited to U.K. office hours). Limited advice on design and coding is available, but is not intended to replace the use of the printed and on-line documentation. Except when reporting an issue with the software, users are encouraged to seek advice from the user community via the Dyalog Forum (reading the content of the forums does not require membership).

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