[Interest] Tumbler not working

[Jason H]

Simply, using a tumbler, and trying to set it to a value by: 
    listTumbler.setCurrentIndexAt(0, list.indexOf(value))

does not work.
Initialized as:
property var list: ["A", "B", "C"]
value: "B"

listTumbler has one TumblerColumn child where "model: list"


console.log("listTumbler.setValue",value, list.indexOf(value), list);
outputs:
listTumbler.setValue B 1 [A,B,C]

But the UI never updates, and internally, the value never updates either.

What am I doing wrong?
(Demo attached)
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