• [Feature] [bar] add new stacking strategies. #17086 (villebro)
• [Feature] [tree] tree focus supports relative. #17009 (susiwen8)
• [Feature] [visualMap] selectedMode supports boolean. #16972 (susiwen8)
• [Feature] [graph] [tree] [map] series center of view supports string. #16904 (susiwen8)
• [Fix] [line] fix polygon not being updated when switching from line chart to step line chart with notMerge: true. #16772 (jiawulin001)
• [Fix] [tree] fix radial tree with a single root not working. #16950 (fuchunhui)
• [Fix] [tree] fix unexpected expanded children when edgeShape is polyline. #16548 (linghaoSu)
• [Fix] [graph] fix user cursor setting not being respected. #16867 (susiwen8)
• [Fix] [graph] fix autoCurveness type. #16897 (kongmoumou)
• [Fix] [radar] fix names being - in tooltip when name.show is false. #15985 (Ovilia)
• [Fix] [radar] fix regression bug brought by branch merging. #16764 (plainheart)
• [Fix] [geo] fix linesGL series not render. #17150 (plainheart)
• [Fix] [pictorialBar] improve PictorialBarSeriesOption type definition. #17155 (dmzc)
• [Fix] [tooltip] fix content changes with axis extent when 'triggerOn' set to 'click'. #16939 (jiawulin001)
• [Fix] [dataZoom] fix borderColor may not work in some bundle environments. #16854 (Ling310)
• [Fix] [markLine] fix markLine label showing wrong tooltip content. #16971 (plainheart)
• [Fix] [markArea] fix markArea may be filtered unexpectedly. #16861 (jiawulin001)
• [Fix] [axis] fix {yy} not being padded to 2 digits. #17064 (Fritzbox2000)
• [Fix] [axis] fix quarters splitting the year into 4 quarters not 3. #17073 (Fritzbox2000)
• [Fix] [axis] fix custom series not working on singleAxis. #16850 (benlongo)
• [Fix] [graphic] fix some options may be unexpectedly reset on update. #17007 (plainheart)
• [Fix] [decal] fix pattern not changing after set legend.itemStyle.decal to be 'none'. #16922 (jiawulin001)
• [Fix] [radialGradient] add safe guarding for radial gradient. #898. #919 (lefex) (Ovilia)
• [Fix] [types] fix typo in DataStore. #16824 (XXXMrG)