Compound charts: Expose data series count property
Fixed chart_copy() does not work correctly. d.o #1303706
Implement 'Bar chart, spacing between sets', #324133
Implement 'Add a margins attribute', #691904
Fix 'Views chart configuration doesn't save chart type, width or height' #1285678
Implemented 'Data Value Markers in Chart Views', #1203716
Fix 'Notice: Undefined offset: 8 in system_charts_build()', #1303578 thx johnv and empee584
Fixed 'Charts showing nid as value instead of value' #1256050, requires Views 7.x-3.0-rc1 or better.
Fix valid chart size test, #1205408
