The alpha version of Unicode CLDR 35 is available for testing. The alpha period lasts until the beta release on March 13, which will include updates to the LDML spec. The final release is expected on March 27.

Unicode CLDR 35 provides an update to the key building blocks for software
supporting the world’s languages. CLDR data is used by all major software systems for their software internationalization and localization, adapting software to the conventions of different languages for such common software tasks.

CLDR 35 included a limited Survey Tool data collection phase, adding approximately 54 thousand
new translated fields:

Basic coverage New languages at Basic coverage: Cebuano (ceb), Hausa (ha),
Igbo (ig), Yoruba (yo)
Modern coverage Languages Somali (so) and Javanese (jv) has additional
coverage from Moderate
to Modern
Emoji 12.0 Names and annotations (search keywords) for 90+
new emoji
Also includes fixes for previous names & keywords
Collation Collation updated to Unicode 12.0, including new emoji;
Japanese single-character
(ligature) era names added to collation and search
Measurement units  23 additional units
Date formats Two additional flexible formats, and 20 new interval formats
Japanese calendar Updated to Gannen (元年) number format
Region Names Many names updated to local equivalents of  “North Macedonia” (MK)
and “Eswatini” (SZ)

A dot release, version 35.1 is expected in April, with further changes for Japanese calendar.

For details, see

Detailed Specification Changes

Detailed Structure Changes
, Detailed Data Changes,