Expected behaviour
centerInCategory: true in combination with reversedStacks: false shouldn't affect order of different stacks.
Actual behaviour
centerInCategory: true affects order of different stacks (also labels are misplaced).
Live demo with steps to reproduce
https://jsfiddle.net/gv4skudb/
(series 1 and series 2 stack group must be first)
Product version
8.1.1 and later
Affected browser(s)
All