daniel added a comment. @Jc3s5h Quantity values would continue to work as they do now: they would allow exact as well as uncertain values. The new Number type would be more restrictive. Whether Number values (counts) should always be considered exact, or only be considered exact by default, remains to be decided. But for the use case you mention (values that derive from definitions - like yards in meter, miles in kilometers , but also the speed of light in m/s, which is exact per the definition of meter) we need non-integer values, and would use Quantity values with +/-0.
TASK DETAIL https://phabricator.wikimedia.org/T112247 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: daniel Cc: daniel, Lydia_Pintscher, Liuxinyu970226, Snaterlicious, jayvdb, SPQRobin, Wikidata-bugs, DSGalaktos, Bugreporter, geraki, Ayack, Gareth, kaldari, Smalyshev, Izno, AmaryllisGardener, Sjoerddebruin, Mbch331, Stryn, Denny, Jc3s5h, Aklapper, aude _______________________________________________ Wikidata-bugs mailing list Wikidata-bugs@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikidata-bugs