Changes in Oracle Database Globalization Support Guide for Oracle Database 21c

The following are changes in Oracle Database Globalization Support Guide for Oracle Database 21c.

Support for Unicode 12.1, a major version of the Unicode Standard that supersedes all its previous versions.

See "Unicode Support".
Support for the Unicode Collation Algorithm (UCA) 12.1 collations (UCA1210_*).

See "UCA Collation".
Two new linguistic sorts (XGERMAN_S and XGERMAN_DIN_S), which support Latin Capital Letter Sharp S as the uppercase form of Latin Smaller Letter Sharp S.

See "Linguistic Collations".
The new Japanese era Reiwa, which went into effect on May 1, 2019, is now supported in Oracle Database for the Japanese Imperial Calendar.

See "Japanese Imperial Calendar".
You can now upgrade the time zone data in your database without incurring any database downtime.

See "Upgrading the Time Zone Data Using the DBMS_DST Package".
The BURMESE, GEORGIAN, and KYRGYZ languages are now supported.

See "Languages".
The MYANMAR, GEORGIA, and KYRGYZSTAN territories are now supported.

See "Territories".

The Unicode Collation Algorithm (UCA) 6.1 collations (UCA0610_*) are desupported in this release. Oracle recommends that you use the latest supported version of UCA collations, which in Oracle Database 21c is UCA 12.1. UCA 12.1 incorporates all of the UCA enhancements since version 6.1, as well as proper collation weight assignments for all new characters introduced since Unicode 6.1.

See Table A-17 for the list of UCA collations supported in this release.