Can't parse data from json - chart.js

Question

I'm trying to display a stacked bar chart on my web page, but it's not working.
I've tried to follow the documentation about data structure, but it seems not working. The two data are made from an Ajax call and built in js.
https://www.chartjs.org/docs/latest/general/data-structures.html
I've made a jsfiddle if you want to look at what I've done.
https://jsfiddle.net/batmine3/h4w02y5g/6/
let myData = [
{
x: 'value1',
critical: 1,
high: 2,
medium: 0,
low: 5
},
{
x: 'value2',
critical: 2,
high: 0,
medium: 5,
low: 0
}
];
let myLabels = ['value1', 'value2'];
let stackedBar = new Chart($('#chartContainer'), {
type: 'bar',
data: {
labels: myLabels,
datasets:
[
{
label: 'critical',
data: myData,
borderColor: '#d30000',
backgroundColor: '#d30000',
parsing: {
yAxisKey: 'critical'
}
},
{
label: 'high',
data: myData,
borderColor: '#e97000',
backgroundColor: '#e97000',
parsing: {
yAxisKey: 'high'
}
},
{
label: 'medium',
data: myData,
borderColor: '#ff9c56',
backgroundColor: '#ff9c56',
parsing: {
yAxisKey: 'medium'
}
},
{
label: 'low',
data: myData,
borderColor: '#ffd063',
backgroundColor: '#ffd063',
parsing: {
yAxisKey: 'low'
}
}
]
},
options: {
scales: {
x: {
stacked: true,
ridLines: {
display: false
}
},
y: {
stacked: true,
beginAtZero: true
}
}
}
});

Answer 1

So after, investigating styles and formatting, it was just a problem of versions.
The parse options were not present in version 2.8.