Components of The Unicode® Standard
This page lists the components of Version 12.1.0 of the Unicode
Standard. The version numbering and the role of each component are
Versions of The Unicode Standard.
for a summary of the contents
of this version. That page also provides chapter-by-chapter
links to the core specification and an index for block-by-block
access to the code charts, for easier browsing of the content
of the standard.
In Version 12.1.0, the core specification, as well as the Unicode Standard Annexes
with the exception of UAX #42, remain published as they were for Version 12.0.0.
They are incorporated by reference into Version 12.1.0, with no changes to their
text or dates of publication. The single exception is Unicode Standard Annex #42,
"Unicode Character Database in XML," whose schema has been updated to reflect the
changes in the UCD for Version 12.1.0.
The following is a sample reference format for a UAX.
For unversioned reference formats, see
the Reference Examples
section of the Versions page.