Ada Standards
Ada 2022 Documents
The documents on this page describe the 2022 revision to the Ada Standard, usually known as Ada 2022. The revisions were produced by the ISO/IEC JTC 1/SC 22/WG 9 Ada Rapporteur Group (ARG), and have been published as the International Standard ISO/IEC 8652:2023(E). The document used as the source material for the Standard is known as the Ada Reference Manual. Related documents are also found on this page.
Earlier versions of the Ada Standard, including the (now replaced) Ada 2012 consolidated standard, can be found here.
For an introduction to the differences between earlier versions of Ada and Ada 2022, see the Ada 2022 Overview. This is an unofficial document that provides an overview of new Ada 2022 features, examples of their use, compatibility with Ada 95, 2005, and 2012, and more. It was written by Jeff Cousins.
Ada 2022 Reference Manual
The 2022 Edition of the Ada Reference Manual, corresponding to the International Standard (ISO/IEC 8652:2023(E)). (Differences from the International Standard are outlined in the Introduction.) The Ada 2022 RM can be browsed online.
Also available for download as:
- Adobe Acrobat (.pdf) with changes highlighted [4561K]
- Adobe Acrobat (.pdf) with change bars only [4079K]
- Adobe Acrobat (.pdf) without change bars [3920K]
- Zip of HTML files [1914K]
- Zip of text files [735K]
Ada 2022 Overview
This document provides an overview of Ada 2022 features, examples of their use, compilatibility with Ada 95, 2005, and 2012, and more. It was written by Jeff Cousins. It is available in HTML and PDF formats at www.ada-auth.org.
Annotated Ada 2022 Language Reference Manual (AARM)
Intended primarily for compiler writers, conformance test writers, and others who wish to study the fine details, the AARM contains all of the text and various annotations in the Ada 2022 LRM. This 2022 edition includes the all of the changes in the 4th Edition of the Ada Reference Manual as well as new and revised annotations. The Ada 2022 AARM can be browsed online.
Also available for download as:
- Adobe Acrobat (.pdf) with changes highlighted [7023K]
- Adobe Acrobat (.pdf) without change markings [6159K]
- Zip of HTML files [3045K]
- Zip of text files [1369K]
Additional Documents
Additional documents and tools are available at www.ada-auth.org, including the tools used to create the Standards.
