The Unicode® Standard

Version 17.0 – Core Specification

The Unicode Consortium

Starting with Version 16.0, the Unicode Consortium has changed the way the Unicode Standard is produced. See Section C.1.16, Unicode 16.0, for details.

Unicode Consortium

South San Francisco

Editor’s Note to Reviewers

Last updated on April 19, 2025 at 21:49 UTC.

Internal Working Draft Note

Do not share this internal working draft with the general public. You should share the latest public release instead. If you already have access to the private source repo, core-spec, feel free to submit your feedback in its issue tracker.

The review draft deployment reflects the review branch, and is helpful for previewing what will be published for the alpha or beta review.

Internal resources on this site:

By the way, this page is able to redirect version-independent “global IDs” last used by the web bookmarks to their new locations in per-chapter pages. For example, #G128 is a known global ID, while #G0 isn’t.

Editor’s Note to Reviewers (17.0)

This is an alpha review draft of the core specification for Unicode 17.0. The archival PDF version is not available for alpha review.

We request feedback on the content of this document. Feedback should be provided through the alpha review PRI #514, which closes on April 2, 2025.

Review instructions:

  • This draft contains editor’s notes that indicate content is still undergoing review or incomplete. Where an editor’s note occurs, there is no need to report the problem indicated by that note.
  • When reporting an issue in the text, please provide the exact location (chapter and section) and details of what you think the problem is. We appreciate suggestions for alternate, corrected text. You may use the links available on hover for headers and figure/table captions in your report to help locate the text.

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Editor’s Note to Reviewers

To be published as:

ISBN 978-1-936213-35-1
Published in South San Francisco
September 9, 2025