535	Proposed Update UAX #31, Unicode Identifiers and Syntax	Closing Date: 2026.03.31
Status:	Open
Originator:	UTC
Informal Discussion:	Unicode Mail List (Join)
Formal Feedback:	Contact Form

Description of Issue:

This Unicode Standard Annex will be updated for Unicode 18.0. The proposed update is now available for general public review and comment.

Information has been added about the guidelines and process for changes to the classification of scripts. Documentation has been added about the relation between immutable identifiers and the XML definition of identifiers.

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