• area-range: Fix line drawn when combining Area Range with regions (4a86e55), closes #3982 #3983 - by @bradallen
• axis: adjust tick generation logic for rotated axes (67c54aa), closes #3991
• data: Filter nullish data from rendering (02939b8), closes #3973
• domain: handle NaN values in data label calculations (bdd3589), closes #3985
• types: update type definitions for elements (591f6a6), closes #3969
• zoom: maintain zoom state during chart resize (2da91de), closes #3992

• all: Refactor to improve runtime performance (#4012)

• axis: Enhance axis.evalTextSize per axis (7fa445e), closes #4002
• axis: Intent to ship axis' tick.culling.reverse (1496d91), closes #3967
• bar: Intent to ship bar.connectLine (7dd7200), closes #3988 #4000

• axis: Enhance axis.evalTextSize per axis (7fa445e), closes #4002

• area-range: Fix line drawn when combining Area Range with regions (4a86e55), closes #3982 #3983
• axis: adjust tick generation logic for rotated axes (67c54aa), closes #3991
• data: Filter nullish data from rendering (02939b8), closes #3973
• domain: handle NaN values in data label calculations (bdd3589), closes #3985
• types: update type definitions for elements (591f6a6), closes #3969
• zoom: maintain zoom state during chart resize (2da91de), closes #3992

• axis: Intent to ship axis' tick.culling.reverse (1496d91), closes #3967
• bar: Intent to ship bar.connectLine (7dd7200), closes #3988 #4000

• core: Fix potential security vulnerability (82ea7ac), closes #3975

The detailed new feature description can be found at:

billboard.js 3.15.0 release: Container-based resizing & enhanced regions

• axis: Fix axis tooltip visibility (c1c39e7), closes #3948

• region: Enhance regions accept category range (904e35b), closes #3920
• regions: Intent to ship regions.label.center (31722d9), closes #3960
• resize: Container based auto resize (#3956) (fa3b751), closes #3955

• regions: Intent to ship regions.label.center (31722d9), closes #3960

• axis: Fix axis tooltip visibility (c1c39e7), closes #3948

• region: Enhance regions accept category range (904e35b), closes (#3920)
• resize: Container based auto resize (#3956) (fa3b751), closes #3955

• tooltip: Fix tooltip interaction on viewBox (9deee8f), closes #3925

• axis: Fix x axis extent to work (4d73834), closes #3768
• tooltip: Fix tooltip position on viewBox resizing (582feb4), closes #3917

• point: fix data.onclick working with sensitivity function (587d71e), closes #3912
• tooltip: Hide tooltip on redraw when unexpected error (3540640), closes #3909 #3910