data-key without string does not support?

[ducvietsqt]

I has data with primary key is id has type is Integer then by binding data list with data-key props but that not working? pls help let me how to binding data-key is Number will passing conditions data-key library
ex:
[{id: 12, value: 'fdsfdsfdsfdsdfs'}, {id: 4: value: 234567}]

[tangbc]

It's ok with number: https://codesandbox.io/s/live-demo-virtual-list-4xbm6?file=/src/data.js:134-156

Has any warnings or errors?

[ducvietsqt]

@tangbc
Yea! I tried but look at the console we are see warning from vue warn, that does not make app stuck but list of warning on console are unfriendly, i think need resolve issue on that console.
Preview:
https://imgur.com/hc85HUr

[tangbc]

New version 2.2.3 already publish to remove these warnings.