- **C3** version: 0.4.11 - **Browser**: Chrome latest - **JsFiddle**: https://jsfiddle.net/go9vv8ds/ When plotting multiple XY timeseries stacked bar chart with numeric x values (not Date objects), vertical offset of bars is not correct is some cases. Created a pull request to fix this: https://github.com/c3js/c3/pull/1842