Hi there, charts with stacked bars will sort it in alpha order, bottom to top of the bar. So status A portion of the bar will be on bottom, status Z portion will show on top of the bar. So if you want to change how these show, it would require you to change the status names, which I doubt you'd want to do.
You can work in some text mode or column rules into your report groupings to show a name as something else (like showing a name for report column results in column rules, i.e. show XYZ dates as 'Q1') for the Details view of a report but it will still show as original names in the Chart tab since charts aren't fond of text mode. Hopefully that is something that will change with Canvas.
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