Lists data fields that differ from the last major version (see versions above). Inherited differences in locales are suppressed, except where the source locales are different.
| Section | Page | Header | Code | Locale | Old | New | Level |
| Date & Time | Generic | Formats - Intervals - Date Formats | h/h | eu | h–h a | h – h a | comprehensive |
| H/H | HH–HH | HH – HH |
| hm/h | h:mm–h:mm a | h:mm – h:mm a |
| Hm/H | HH:mm–HH:mm | HH:mm – HH:mm |
| hm/m | h:mm–h:mm a | h:mm – h:mm a |
| Hm/m | HH:mm–HH:mm | HH:mm – HH:mm |
| hmv/h | h:mm–h:mm a v | h:mm – h:mm a v |
| Units | Duration | century | narrow-one-nominative | {0} m. | {0}m. | modern |
| narrow-other-nominative |