Can't access %root mystery

In a method on a Map, I have:

The first line shows a %root property both in plain and in _data:

Yet, the second line produces ‘undefined’:

What’s up?

I don’t know. This is with 2.3?

Yes. 2.3

I gather that this is not what you expect should be happening.

V3 is on the schedule for next week. Think that might fix it?

I just tried this in a JS Bin and it seems to work for me:,console,output

@tqwhite, please let me know if something in my JS Bin isn’t quite the same as your example. If you can create a JS Bin that shows the bug, that’d be awesome too.