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Chart.js/docs/migration/v4-migration.md
Dan Onoshko b19fc0169f
fix: pass timestamp to ticks callback (#10540) 
* fix: pass timestamp to ticks callback
* docs: edit labelling page
* docs: additions to the migration guide
2022-08-05 07:59:36 -04:00

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4.x Migration Guide

Chart.js 4.0 introduces a number of breaking changes. We tried keeping the amount of breaking changes to a minimum. For some features and bug fixes it was necessary to break backwars compatibility, but we aimed to do so only when worth the benefit.

End user migration

Options

A number of changes were made to the configuration options passed to the Chart constructor. Those changes are documented below.

Specific changes

  • The radialLinear grid indexable and scriptable options don't decrease the index of the specified grid line anymore.
  • Ticks callback on time scale now receives timestamp instead of a formatted label.

Type changes

  • The order of the ChartMeta parameters have been changed from <Element, DatasetElement, Type> to <Type, Element, DatasetElement>