Binary units such as KiB and MiB reduce ambiguity associated with kB and MB. We have received numerous requests to add them to ECMA-402. This is currently blocked by upstream CLDR not having locale data for these units.

Upstream ticket:

https://unicode-org.atlassian.net/browse/CLDR-13848

Relevant CLDR discussions:

• https://unicode-org.atlassian.net/browse/CLDR-7214
• https://unicode-org.atlassian.net/browse/CLDR-11454

User requests:

• Unit formatting API #32 (comment)
• https://goo.gle/devtools-si

@mathiasbynens @markusicu @macchiati