chartjs/Chart.js (chart.js)
### [`v2.9.4`](https://redirect.github.com/chartjs/Chart.js/releases/tag/v2.9.4)
[Compare Source](https://redirect.github.com/chartjs/Chart.js/compare/v2.9.3...v2.9.4)
This is the last release of v2 and focused on fixing bugs identified in the v2.9.3 release.
### Bugs Fixed
- [#7404](https://redirect.github.com/chartjs/Chart.js/issues/7404) - Preserve prototypes when cloning. Thanks [@iddings](https://redirect.github.com/iddings)
- [#7587](https://redirect.github.com/chartjs/Chart.js/issues/7587) - Fix docs for external moment.js. Thanks [@mojoaxel](https://redirect.github.com/mojoaxel)
- [#7853](https://redirect.github.com/chartjs/Chart.js/issues/7853) - Fix box recursion when dimensions are NaN. Thanks [@alessandroasm](https://redirect.github.com/alessandroasm)
- [#7883](https://redirect.github.com/chartjs/Chart.js/issues/7883) - Fix call stack exception when computing label sizes. Thanks [@silentmatt](https://redirect.github.com/silentmatt)
- [#7918](https://redirect.github.com/chartjs/Chart.js/issues/7918) - Prevent global prototype pollution via the merge helper
- [#7920](https://redirect.github.com/chartjs/Chart.js/issues/7920) - Use Object.create(null) as `merge` target, to prevent prototype pollution
### [`v2.9.3`](https://redirect.github.com/chartjs/Chart.js/releases/tag/v2.9.3)
[Compare Source](https://redirect.github.com/chartjs/Chart.js/compare/v2.9.2...v2.9.3)
### Bug Fixes
- [#6698](https://redirect.github.com/chartjs/Chart.js/issues/6698) Fix undefined variable
- [#6719](https://redirect.github.com/chartjs/Chart.js/issues/6719) Don't make legend empty when fill is false
Thanks to the maintainers and collaborators for their help to improve and test Chart.js ([@kurkle](https://redirect.github.com/kurkle), [@benmccann](https://redirect.github.com/benmccann), and [@etimberg](https://redirect.github.com/etimberg)).
### [`v2.9.2`](https://redirect.github.com/chartjs/Chart.js/releases/tag/v2.9.2)
[Compare Source](https://redirect.github.com/chartjs/Chart.js/compare/v2.9.1...v2.9.2)
### Bug Fixes
- [#6641](https://redirect.github.com/chartjs/Chart.js/issues/6641) IE11 & Edge compatible style injection
- [#6655](https://redirect.github.com/chartjs/Chart.js/issues/6655) Backwards compatible default fill for radar charts
- [#6660](https://redirect.github.com/chartjs/Chart.js/issues/6660) Improve clipping of line charts when border widths are large
- [#6661](https://redirect.github.com/chartjs/Chart.js/issues/6661) When a legend item is clicked, make sure the correct item is hidden
- [#6663](https://redirect.github.com/chartjs/Chart.js/issues/6663) Refresh package-lock file to pick up new dependency
### Performance
- [#6671](https://redirect.github.com/chartjs/Chart.js/issues/6671) Stop unnecessary line calculations
### Documentation
- [#6643](https://redirect.github.com/chartjs/Chart.js/issues/6643) Combine performance documentation sections
Thanks to the maintainers and collaborators for their help to improve and test Chart.js ([@nagix](https://redirect.github.com/nagix), [@kurkle](https://redirect.github.com/kurkle), [@benmccann](https://redirect.github.com/benmccann), [@etimberg](https://redirect.github.com/etimberg) and [@simonbrunel](https://redirect.github.com/simonbrunel)).
### [`v2.9.1`](https://redirect.github.com/chartjs/Chart.js/releases/tag/v2.9.1)
[Compare Source](https://redirect.github.com/chartjs/Chart.js/compare/v2.9.0...v2.9.1)
### Bug Fixes
- [#6603](https://redirect.github.com/chartjs/Chart.js/issues/6603) Fix deprecation warnings for horizontal bar charts
- [#6608](https://redirect.github.com/chartjs/Chart.js/issues/6608) Fix zoom plugin by no longer clipping `scale.getDecimalForPixel` to the chart area
- [#6617](https://redirect.github.com/chartjs/Chart.js/issues/6617) Non numeric Y axes did not work
### Documentation
- [#6613](https://redirect.github.com/chartjs/Chart.js/issues/6613) Add link to performance documentation
### Development
- [#6609](https://redirect.github.com/chartjs/Chart.js/issues/6609) - Tests no longer use deprecated options
Thanks to the maintainers and collaborators for their help to improve and test Chart.js ([@nagix](https://redirect.github.com/nagix), [@kurkle](https://redirect.github.com/kurkle), [@benmccann](https://redirect.github.com/benmccann), [@etimberg](https://redirect.github.com/etimberg) and [@simonbrunel](https://redirect.github.com/simonbrunel)).
### [`v2.9.0`](https://redirect.github.com/chartjs/Chart.js/releases/tag/v2.9.0)
[Compare Source](https://redirect.github.com/chartjs/Chart.js/compare/v2.8.0...v2.9.0)
#### Breaking changes
- [https://github.com/chartjs/Chart.js/pull/6131](https://redirect.github.com/chartjs/Chart.js/pull/6131) `helpers._decimalPlaces` is now private
#### Enhancements
- [https://github.com/chartjs/Chart.js/pull/6527](https://redirect.github.com/chartjs/Chart.js/pull/6527) Hover styling for dataset in 'dataset' mode
- [https://github.com/chartjs/Chart.js/pull/6268](https://redirect.github.com/chartjs/Chart.js/pull/6268) Implement `dataset.order`
- [https://github.com/chartjs/Chart.js/pull/6509](https://redirect.github.com/chartjs/Chart.js/pull/6509) Make `autoSkip` aware of major ticks
- [https://github.com/chartjs/Chart.js/pull/6460](https://redirect.github.com/chartjs/Chart.js/pull/6460) Implemented RTL support for legends and tooltips
- [https://github.com/chartjs/Chart.js/pull/6490](https://redirect.github.com/chartjs/Chart.js/pull/6490) HTML DOM building
- [https://github.com/chartjs/Chart.js/pull/6326](https://redirect.github.com/chartjs/Chart.js/pull/6326) Draw the rightmost grid line when `offsetGridLines` is true
- [https://github.com/chartjs/Chart.js/pull/6343](https://redirect.github.com/chartjs/Chart.js/pull/6343) Handle reverse support in core.scale
- [https://github.com/chartjs/Chart.js/pull/6289](https://redirect.github.com/chartjs/Chart.js/pull/6289) Support `spanGaps` in radar charts
- [https://github.com/chartjs/Chart.js/pull/6323](https://redirect.github.com/chartjs/Chart.js/pull/6323) Support object values for bar charts
- [https://github.com/chartjs/Chart.js/pull/6287](https://redirect.github.com/chartjs/Chart.js/pull/6287) Support rotation for `pointStyle` image
- [https://github.com/chartjs/Chart.js/pull/6257](https://redirect.github.com/chartjs/Chart.js/pull/6257) Allow specifying labels in time scale options
- [https://github.com/chartjs/Chart.js/pull/6281](https://redirect.github.com/chartjs/Chart.js/pull/6281) Support boundary filling modes in radialLinear scale
- [https://github.com/chartjs/Chart.js/pull/6056](https://redirect.github.com/chartjs/Chart.js/pull/6056) Add support for floating bar chart (`[start, end]`)
- [https://github.com/chartjs/Chart.js/pull/6241](https://redirect.github.com/chartjs/Chart.js/pull/6241) Implement layers (z-index) for layout items
- [https://github.com/chartjs/Chart.js/pull/5621](https://redirect.github.com/chartjs/Chart.js/pull/5621) Make legend appearance consistent with chart elements
- [https://github.com/chartjs/Chart.js/pull/5999](https://redirect.github.com/chartjs/Chart.js/pull/5999) Implement per-dataset type (default and per-chart) options
- [https://github.com/chartjs/Chart.js/pull/6097](https://redirect.github.com/chartjs/Chart.js/pull/6097) Specify time scale `min` and `max` in standard manner
- [https://github.com/chartjs/Chart.js/pull/6141](https://redirect.github.com/chartjs/Chart.js/pull/6141) Legend align option. Thanks [@dkichler](https://redirect.github.com/dkichler)
- [https://github.com/chartjs/Chart.js/pull/6128](https://redirect.github.com/chartjs/Chart.js/pull/6128) Make line options scriptable. Thanks [@janelledement](https://redirect.github.com/janelledement)
#### Performance
- [https://github.com/chartjs/Chart.js/pull/6594](https://redirect.github.com/chartjs/Chart.js/pull/6594) Remove a couple calls to `helpers.each`
- [https://github.com/chartjs/Chart.js/pull/6247](https://redirect.github.com/chartjs/Chart.js/pull/6247) Remove duplicate scale building
- [https://github.com/chartjs/Chart.js/pull/6579](https://redirect.github.com/chartjs/Chart.js/pull/6579) Cache resolved data element options
- [https://github.com/chartjs/Chart.js/pull/6575](https://redirect.github.com/chartjs/Chart.js/pull/6575) Simplify line drawing
- [https://github.com/chartjs/Chart.js/pull/6508](https://redirect.github.com/chartjs/Chart.js/pull/6508) Add `ticks.sampleSize` option
- [https://github.com/chartjs/Chart.js/pull/6354](https://redirect.github.com/chartjs/Chart.js/pull/6354) Perf improvement for `ticks.source:'labels'`
- [https://github.com/chartjs/Chart.js/pull/6301](https://redirect.github.com/chartjs/Chart.js/pull/6301) Replace `helpers.each` with for-loops
- [https://github.com/chartjs/Chart.js/pull/6304](https://redirect.github.com/chartjs/Chart.js/pull/6304) Refactor `core.layout`
- [https://github.com/chartjs/Chart.js/pull/6307](https://redirect.github.com/chartjs/Chart.js/pull/6307) Faster major tick calculation
- [https://github.com/chartjs/Chart.js/pull/6250](https://redirect.github.com/chartjs/Chart.js/pull/6250) Cache `getScaleForId()` calls in the line controller
- [https://github.com/chartjs/Chart.js/pull/6148](https://redirect.github.com/chartjs/Chart.js/pull/6148) Replace `helpers.extend`
#### Bug Fixes
- [https://github.com/chartjs/Chart.js/pull/6249](https://redirect.github.com/chartjs/Chart.js/pull/6249) Bar options should be defined on dataset instead of scale
- [https://github.com/chartjs/Chart.js/pull/6556](https://redirect.github.com/chartjs/Chart.js/pull/6556) Inject styles into Shadow DOM when inside Shadow DOM
- [https://github.com/chartjs/Chart.js/pull/6583](https://redirect.github.com/chartjs/Chart.js/pull/6583) Fix unit determination when `autoSkip` is enabled
- [https://github.com/chartjs/Chart.js/pull/6581](https://redirect.github.com/chartjs/Chart.js/pull/6581) Return correct index/value id in radar/polarArea
- [https://github.com/chartjs/Chart.js/pull/6580](https://redirect.github.com/chartjs/Chart.js/pull/6580) Fix logarithmic test to use correct scale
- [https://github.com/chartjs/Chart.js/pull/6528](https://redirect.github.com/chartjs/Chart.js/pull/6528) Make sure `zeroLineIndex` is defined
- [https://github.com/chartjs/Chart.js/pull/6523](https://redirect.github.com/chartjs/Chart.js/pull/6523) Fix right side scale ticks
- [https://github.com/chartjs/Chart.js/pull/6423](https://redirect.github.com/chartjs/Chart.js/pull/6423) Clamp argument of `toExponential` between 0 and 20. Thanks [@veggiesaurus](https://redirect.github.com/veggiesaurus)
- [https://github.com/chartjs/Chart.js/pull/6328](https://redirect.github.com/chartjs/Chart.js/pull/6328) Fix `getValueForPixel` in time scale
- [https://github.com/chartjs/Chart.js/pull/6292](https://redirect.github.com/chartjs/Chart.js/pull/6292) Adjust vertical alignment of tooltip items
- [https://github.com/chartjs/Chart.js/pull/6321](https://redirect.github.com/chartjs/Chart.js/pull/6321) Update dataset metadata when axisID changes
- [https://github.com/chartjs/Chart.js/pull/6291](https://redirect.github.com/chartjs/Chart.js/pull/6291) Assign unique scale IDs
- [https://github.com/chartjs/Chart.js/pull/6288](https://redirect.github.com/chartjs/Chart.js/pull/6288) Fix regression in `lineTension`
- [https://github.com/chartjs/Chart.js/pull/6282](https://redirect.github.com/chartjs/Chart.js/pull/6282) Treat null as NaN in radialLinear scale
- [https://github.com/chartjs/Chart.js/pull/6285](https://redirect.github.com/chartjs/Chart.js/pull/6285) Keep lines on the left and right edges from being cut
- [https://github.com/chartjs/Chart.js/pull/6269](https://redirect.github.com/chartjs/Chart.js/pull/6269) Apply lineJoin style at the first point in radar charts
- [https://github.com/chartjs/Chart.js/pull/6280](https://redirect.github.com/chartjs/Chart.js/pull/6280) Fix point label counting in radialLinear scale
- [https://github.com/chartjs/Chart.js/pull/6279](https://redirect.github.com/chartjs/Chart.js/pull/6279) Treat 0 as a valid point label
- [https://github.com/chartjs/Chart.js/pull/6265](https://redirect.github.com/chartjs/Chart.js/pull/6265) Utilize `tick.major` in `tickFormatFunction`
- [https://github.com/chartjs/Chart.js/pull/6264](https://redirect.github.com/chartjs/Chart.js/pull/6264) Apply offset regardless of min/max setting
- [https://github.com/chartjs/Chart.js/pull/6258](https://redirect.github.com/chartjs/Chart.js/pull/6258) Fix ticks generation for vertical time scale
- [https://github.com/chartjs/Chart.js/pull/6259](https://redirect.github.com/chartjs/Chart.js/pull/6259) Fix `determineUnitForFormatting` floating point error
- [https://github.com/chartjs/Chart.js/pull/6115](https://redirect.github.com/chartjs/Chart.js/pull/6115) Fix overlapping auto-generated ticks on time scale
- [https://github.com/chartjs/Chart.js/pull/6238](https://redirect.github.com/chartjs/Chart.js/pull/6238) Fix tooltip title in radar charts
- [https://github.com/chartjs/Chart.js/pull/6224](https://redirect.github.com/chartjs/Chart.js/pull/6224) Fix arc size calculation when circumference is under 2\*PI
- [https://github.com/chartjs/Chart.js/pull/6215](https://redirect.github.com/chartjs/Chart.js/pull/6215) Fix arc border with circumference over 2\*PI
- [https://github.com/chartjs/Chart.js/pull/5961](https://redirect.github.com/chartjs/Chart.js/pull/5961) Fix tick label rotation and layout issues
- [https://github.com/chartjs/Chart.js/pull/6182](https://redirect.github.com/chartjs/Chart.js/pull/6182) Use the appropriate time format for auto tick generation
- [https://github.com/chartjs/Chart.js/pull/6208](https://redirect.github.com/chartjs/Chart.js/pull/6208) Fill before drawing lines
- [https://github.com/chartjs/Chart.js/pull/6209](https://redirect.github.com/chartjs/Chart.js/pull/6209) Fix missing tooltip value in radar charts
- [https://github.com/chartjs/Chart.js/pull/6177](https://redirect.github.com/chartjs/Chart.js/pull/6177) Normalize angle for index in radialLinear scale
- [https://github.com/chartjs/Chart.js/pull/6102](https://redirect.github.com/chartjs/Chart.js/pull/6102) Fix `ticks.minor` and `ticks.major` issues
- [https://github.com/chartjs/Chart.js/pull/6129](https://redirect.github.com/chartjs/Chart.js/pull/6129) Fix hover animation
- [https://github.com/chartjs/Chart.js/pull/6120](https://redirect.github.com/chartjs/Chart.js/pull/6120) Improved `helpers.almostWhole`
#### Documentation
- [https://github.com/chartjs/Chart.js/pull/6585](https://redirect.github.com/chartjs/Chart.js/pull/6585) Add a note to the perf documentation about rotation
- [https://github.com/chartjs/Chart.js/pull/6554](https://redirect.github.com/chartjs/Chart.js/pull/6554) Add link to linear radial axis for radar chart doc
- [https://github.com/chartjs/Chart.js/pull/6491](https://redirect.github.com/chartjs/Chart.js/pull/6491) Add `elements.arc.angle` in documentation
- [https://github.com/chartjs/Chart.js/pull/6466](https://redirect.github.com/chartjs/Chart.js/pull/6466) Fixed incorrect spelling in pie dataset options. Thanks [@SeppPenner](https://redirect.github.com/SeppPenner)
- [https://github.com/chartjs/Chart.js/pull/6435](https://redirect.github.com/chartjs/Chart.js/pull/6435) Add link back to home page from docs
- [https://github.com/chartjs/Chart.js/pull/6393](https://redirect.github.com/chartjs/Chart.js/pull/6393) Add radar chart config options
- [https://github.com/chartjs/Chart.js/pull/6293](https://redirect.github.com/chartjs/Chart.js/pull/6293) Correct descriptions on `ticks.display` and add `pointLabels.display`
- [https://github.com/chartjs/Chart.js/pull/6263](https://redirect.github.com/chartjs/Chart.js/pull/6263) Add sample for radar scriptable options
- [https://github.com/chartjs/Chart.js/pull/6244](https://redirect.github.com/chartjs/Chart.js/pull/6244) Fix data in timeseries sample
- [https://github.com/chartjs/Chart.js/pull/6186](https://redirect.github.com/chartjs/Chart.js/pull/6186) Typo in doughnut documentation. Thanks [@joshuamcewen](https://redirect.github.com/joshuamcewen)
- [https://github.com/chartjs/Chart.js/pull/6132](https://redirect.github.com/chartjs/Chart.js/pull/6132) Make docs consistent for `cubicInterpolationMode` and `fill`. Thanks [@stockiNail](https://redirect.github.com/stockiNail)
- [https://github.com/chartjs/Chart.js/pull/6119](https://redirect.github.com/chartjs/Chart.js/pull/6119) Demonstrate multiple units on timeseries example
- [https://github.com/chartjs/Chart.js/pull/6139](https://redirect.github.com/chartjs/Chart.js/pull/6139) Documented tooltip alignment options
- [https://github.com/chartjs/Chart.js/pull/6134](https://redirect.github.com/chartjs/Chart.js/pull/6134) Documented date adapter
#### Development
- [https://github.com/chartjs/Chart.js/pull/6507](https://redirect.github.com/chartjs/Chart.js/pull/6507) Improved minimization when calling helpers
- [https://github.com/chartjs/Chart.js/pull/6497](https://redirect.github.com/chartjs/Chart.js/pull/6497) Reduce indentation
- [https://github.com/chartjs/Chart.js/pull/6355](https://redirect.github.com/chartjs/Chart.js/pull/6355) Do `autoSkip` in `update`
- [https://github.com/chartjs/Chart.js/pull/6493](https://redirect.github.com/chartjs/Chart.js/pull/6493) Upgrade rollup and plugins
- [https://github.com/chartjs/Chart.js/pull/6362](https://redirect.github.com/chartjs/Chart.js/pull/6362) Improved code minimization
- [https://github.com/chartjs/Chart.js/pull/6360](https://redirect.github.com/chartjs/Chart.js/pull/6360) Create `helpers.math._factorize`
- [https://github.com/chartjs/Chart.js/pull/6351](https://redirect.github.com/chartjs/Chart.js/pull/6351) Lazily compute label sizes
- [https://github.com/chartjs/Chart.js/pull/6347](https://redirect.github.com/chartjs/Chart.js/pull/6347) Render charts only once in time scale tests
- [https://github.com/chartjs/Chart.js/pull/6246](https://redirect.github.com/chartjs/Chart.js/pull/6246) Avoid time related deprecation warnings in tests
##
Thanks to the maintainers and collaborators for their help to improve and test Chart.js ([@nagix](https://redirect.github.com/nagix), [@kurkle](https://redirect.github.com/kurkle), [@benmccann](https://redirect.github.com/benmccann), [@etimberg](https://redirect.github.com/etimberg) and [@simonbrunel](https://redirect.github.com/simonbrunel)).
[ ] If you want to rebase/retry this PR, check this box
This PR contains the following updates:
2.8.0->2.9.4By merging this PR, the issue #59 will be automatically resolved and closed:
Release Notes
chartjs/Chart.js (chart.js)
### [`v2.9.4`](https://redirect.github.com/chartjs/Chart.js/releases/tag/v2.9.4) [Compare Source](https://redirect.github.com/chartjs/Chart.js/compare/v2.9.3...v2.9.4) This is the last release of v2 and focused on fixing bugs identified in the v2.9.3 release. ### Bugs Fixed - [#7404](https://redirect.github.com/chartjs/Chart.js/issues/7404) - Preserve prototypes when cloning. Thanks [@iddings](https://redirect.github.com/iddings) - [#7587](https://redirect.github.com/chartjs/Chart.js/issues/7587) - Fix docs for external moment.js. Thanks [@mojoaxel](https://redirect.github.com/mojoaxel) - [#7853](https://redirect.github.com/chartjs/Chart.js/issues/7853) - Fix box recursion when dimensions are NaN. Thanks [@alessandroasm](https://redirect.github.com/alessandroasm) - [#7883](https://redirect.github.com/chartjs/Chart.js/issues/7883) - Fix call stack exception when computing label sizes. Thanks [@silentmatt](https://redirect.github.com/silentmatt) - [#7918](https://redirect.github.com/chartjs/Chart.js/issues/7918) - Prevent global prototype pollution via the merge helper - [#7920](https://redirect.github.com/chartjs/Chart.js/issues/7920) - Use Object.create(null) as `merge` target, to prevent prototype pollution ### [`v2.9.3`](https://redirect.github.com/chartjs/Chart.js/releases/tag/v2.9.3) [Compare Source](https://redirect.github.com/chartjs/Chart.js/compare/v2.9.2...v2.9.3) ### Bug Fixes - [#6698](https://redirect.github.com/chartjs/Chart.js/issues/6698) Fix undefined variable - [#6719](https://redirect.github.com/chartjs/Chart.js/issues/6719) Don't make legend empty when fill is false Thanks to the maintainers and collaborators for their help to improve and test Chart.js ([@kurkle](https://redirect.github.com/kurkle), [@benmccann](https://redirect.github.com/benmccann), and [@etimberg](https://redirect.github.com/etimberg)). ### [`v2.9.2`](https://redirect.github.com/chartjs/Chart.js/releases/tag/v2.9.2) [Compare Source](https://redirect.github.com/chartjs/Chart.js/compare/v2.9.1...v2.9.2) ### Bug Fixes - [#6641](https://redirect.github.com/chartjs/Chart.js/issues/6641) IE11 & Edge compatible style injection - [#6655](https://redirect.github.com/chartjs/Chart.js/issues/6655) Backwards compatible default fill for radar charts - [#6660](https://redirect.github.com/chartjs/Chart.js/issues/6660) Improve clipping of line charts when border widths are large - [#6661](https://redirect.github.com/chartjs/Chart.js/issues/6661) When a legend item is clicked, make sure the correct item is hidden - [#6663](https://redirect.github.com/chartjs/Chart.js/issues/6663) Refresh package-lock file to pick up new dependency ### Performance - [#6671](https://redirect.github.com/chartjs/Chart.js/issues/6671) Stop unnecessary line calculations ### Documentation - [#6643](https://redirect.github.com/chartjs/Chart.js/issues/6643) Combine performance documentation sections Thanks to the maintainers and collaborators for their help to improve and test Chart.js ([@nagix](https://redirect.github.com/nagix), [@kurkle](https://redirect.github.com/kurkle), [@benmccann](https://redirect.github.com/benmccann), [@etimberg](https://redirect.github.com/etimberg) and [@simonbrunel](https://redirect.github.com/simonbrunel)). ### [`v2.9.1`](https://redirect.github.com/chartjs/Chart.js/releases/tag/v2.9.1) [Compare Source](https://redirect.github.com/chartjs/Chart.js/compare/v2.9.0...v2.9.1) ### Bug Fixes - [#6603](https://redirect.github.com/chartjs/Chart.js/issues/6603) Fix deprecation warnings for horizontal bar charts - [#6608](https://redirect.github.com/chartjs/Chart.js/issues/6608) Fix zoom plugin by no longer clipping `scale.getDecimalForPixel` to the chart area - [#6617](https://redirect.github.com/chartjs/Chart.js/issues/6617) Non numeric Y axes did not work ### Documentation - [#6613](https://redirect.github.com/chartjs/Chart.js/issues/6613) Add link to performance documentation ### Development - [#6609](https://redirect.github.com/chartjs/Chart.js/issues/6609) - Tests no longer use deprecated options Thanks to the maintainers and collaborators for their help to improve and test Chart.js ([@nagix](https://redirect.github.com/nagix), [@kurkle](https://redirect.github.com/kurkle), [@benmccann](https://redirect.github.com/benmccann), [@etimberg](https://redirect.github.com/etimberg) and [@simonbrunel](https://redirect.github.com/simonbrunel)). ### [`v2.9.0`](https://redirect.github.com/chartjs/Chart.js/releases/tag/v2.9.0) [Compare Source](https://redirect.github.com/chartjs/Chart.js/compare/v2.8.0...v2.9.0) #### Breaking changes - [https://github.com/chartjs/Chart.js/pull/6131](https://redirect.github.com/chartjs/Chart.js/pull/6131) `helpers._decimalPlaces` is now private #### Enhancements - [https://github.com/chartjs/Chart.js/pull/6527](https://redirect.github.com/chartjs/Chart.js/pull/6527) Hover styling for dataset in 'dataset' mode - [https://github.com/chartjs/Chart.js/pull/6268](https://redirect.github.com/chartjs/Chart.js/pull/6268) Implement `dataset.order` - [https://github.com/chartjs/Chart.js/pull/6509](https://redirect.github.com/chartjs/Chart.js/pull/6509) Make `autoSkip` aware of major ticks - [https://github.com/chartjs/Chart.js/pull/6460](https://redirect.github.com/chartjs/Chart.js/pull/6460) Implemented RTL support for legends and tooltips - [https://github.com/chartjs/Chart.js/pull/6490](https://redirect.github.com/chartjs/Chart.js/pull/6490) HTML DOM building - [https://github.com/chartjs/Chart.js/pull/6326](https://redirect.github.com/chartjs/Chart.js/pull/6326) Draw the rightmost grid line when `offsetGridLines` is true - [https://github.com/chartjs/Chart.js/pull/6343](https://redirect.github.com/chartjs/Chart.js/pull/6343) Handle reverse support in core.scale - [https://github.com/chartjs/Chart.js/pull/6289](https://redirect.github.com/chartjs/Chart.js/pull/6289) Support `spanGaps` in radar charts - [https://github.com/chartjs/Chart.js/pull/6323](https://redirect.github.com/chartjs/Chart.js/pull/6323) Support object values for bar charts - [https://github.com/chartjs/Chart.js/pull/6287](https://redirect.github.com/chartjs/Chart.js/pull/6287) Support rotation for `pointStyle` image - [https://github.com/chartjs/Chart.js/pull/6257](https://redirect.github.com/chartjs/Chart.js/pull/6257) Allow specifying labels in time scale options - [https://github.com/chartjs/Chart.js/pull/6281](https://redirect.github.com/chartjs/Chart.js/pull/6281) Support boundary filling modes in radialLinear scale - [https://github.com/chartjs/Chart.js/pull/6056](https://redirect.github.com/chartjs/Chart.js/pull/6056) Add support for floating bar chart (`[start, end]`) - [https://github.com/chartjs/Chart.js/pull/6241](https://redirect.github.com/chartjs/Chart.js/pull/6241) Implement layers (z-index) for layout items - [https://github.com/chartjs/Chart.js/pull/5621](https://redirect.github.com/chartjs/Chart.js/pull/5621) Make legend appearance consistent with chart elements - [https://github.com/chartjs/Chart.js/pull/5999](https://redirect.github.com/chartjs/Chart.js/pull/5999) Implement per-dataset type (default and per-chart) options - [https://github.com/chartjs/Chart.js/pull/6097](https://redirect.github.com/chartjs/Chart.js/pull/6097) Specify time scale `min` and `max` in standard manner - [https://github.com/chartjs/Chart.js/pull/6141](https://redirect.github.com/chartjs/Chart.js/pull/6141) Legend align option. Thanks [@dkichler](https://redirect.github.com/dkichler) - [https://github.com/chartjs/Chart.js/pull/6128](https://redirect.github.com/chartjs/Chart.js/pull/6128) Make line options scriptable. Thanks [@janelledement](https://redirect.github.com/janelledement) #### Performance - [https://github.com/chartjs/Chart.js/pull/6594](https://redirect.github.com/chartjs/Chart.js/pull/6594) Remove a couple calls to `helpers.each` - [https://github.com/chartjs/Chart.js/pull/6247](https://redirect.github.com/chartjs/Chart.js/pull/6247) Remove duplicate scale building - [https://github.com/chartjs/Chart.js/pull/6579](https://redirect.github.com/chartjs/Chart.js/pull/6579) Cache resolved data element options - [https://github.com/chartjs/Chart.js/pull/6575](https://redirect.github.com/chartjs/Chart.js/pull/6575) Simplify line drawing - [https://github.com/chartjs/Chart.js/pull/6508](https://redirect.github.com/chartjs/Chart.js/pull/6508) Add `ticks.sampleSize` option - [https://github.com/chartjs/Chart.js/pull/6354](https://redirect.github.com/chartjs/Chart.js/pull/6354) Perf improvement for `ticks.source:'labels'` - [https://github.com/chartjs/Chart.js/pull/6301](https://redirect.github.com/chartjs/Chart.js/pull/6301) Replace `helpers.each` with for-loops - [https://github.com/chartjs/Chart.js/pull/6304](https://redirect.github.com/chartjs/Chart.js/pull/6304) Refactor `core.layout` - [https://github.com/chartjs/Chart.js/pull/6307](https://redirect.github.com/chartjs/Chart.js/pull/6307) Faster major tick calculation - [https://github.com/chartjs/Chart.js/pull/6250](https://redirect.github.com/chartjs/Chart.js/pull/6250) Cache `getScaleForId()` calls in the line controller - [https://github.com/chartjs/Chart.js/pull/6148](https://redirect.github.com/chartjs/Chart.js/pull/6148) Replace `helpers.extend` #### Bug Fixes - [https://github.com/chartjs/Chart.js/pull/6249](https://redirect.github.com/chartjs/Chart.js/pull/6249) Bar options should be defined on dataset instead of scale - [https://github.com/chartjs/Chart.js/pull/6556](https://redirect.github.com/chartjs/Chart.js/pull/6556) Inject styles into Shadow DOM when inside Shadow DOM - [https://github.com/chartjs/Chart.js/pull/6583](https://redirect.github.com/chartjs/Chart.js/pull/6583) Fix unit determination when `autoSkip` is enabled - [https://github.com/chartjs/Chart.js/pull/6581](https://redirect.github.com/chartjs/Chart.js/pull/6581) Return correct index/value id in radar/polarArea - [https://github.com/chartjs/Chart.js/pull/6580](https://redirect.github.com/chartjs/Chart.js/pull/6580) Fix logarithmic test to use correct scale - [https://github.com/chartjs/Chart.js/pull/6528](https://redirect.github.com/chartjs/Chart.js/pull/6528) Make sure `zeroLineIndex` is defined - [https://github.com/chartjs/Chart.js/pull/6523](https://redirect.github.com/chartjs/Chart.js/pull/6523) Fix right side scale ticks - [https://github.com/chartjs/Chart.js/pull/6423](https://redirect.github.com/chartjs/Chart.js/pull/6423) Clamp argument of `toExponential` between 0 and 20. Thanks [@veggiesaurus](https://redirect.github.com/veggiesaurus) - [https://github.com/chartjs/Chart.js/pull/6328](https://redirect.github.com/chartjs/Chart.js/pull/6328) Fix `getValueForPixel` in time scale - [https://github.com/chartjs/Chart.js/pull/6292](https://redirect.github.com/chartjs/Chart.js/pull/6292) Adjust vertical alignment of tooltip items - [https://github.com/chartjs/Chart.js/pull/6321](https://redirect.github.com/chartjs/Chart.js/pull/6321) Update dataset metadata when axisID changes - [https://github.com/chartjs/Chart.js/pull/6291](https://redirect.github.com/chartjs/Chart.js/pull/6291) Assign unique scale IDs - [https://github.com/chartjs/Chart.js/pull/6288](https://redirect.github.com/chartjs/Chart.js/pull/6288) Fix regression in `lineTension` - [https://github.com/chartjs/Chart.js/pull/6282](https://redirect.github.com/chartjs/Chart.js/pull/6282) Treat null as NaN in radialLinear scale - [https://github.com/chartjs/Chart.js/pull/6285](https://redirect.github.com/chartjs/Chart.js/pull/6285) Keep lines on the left and right edges from being cut - [https://github.com/chartjs/Chart.js/pull/6269](https://redirect.github.com/chartjs/Chart.js/pull/6269) Apply lineJoin style at the first point in radar charts - [https://github.com/chartjs/Chart.js/pull/6280](https://redirect.github.com/chartjs/Chart.js/pull/6280) Fix point label counting in radialLinear scale - [https://github.com/chartjs/Chart.js/pull/6279](https://redirect.github.com/chartjs/Chart.js/pull/6279) Treat 0 as a valid point label - [https://github.com/chartjs/Chart.js/pull/6265](https://redirect.github.com/chartjs/Chart.js/pull/6265) Utilize `tick.major` in `tickFormatFunction` - [https://github.com/chartjs/Chart.js/pull/6264](https://redirect.github.com/chartjs/Chart.js/pull/6264) Apply offset regardless of min/max setting - [https://github.com/chartjs/Chart.js/pull/6258](https://redirect.github.com/chartjs/Chart.js/pull/6258) Fix ticks generation for vertical time scale - [https://github.com/chartjs/Chart.js/pull/6259](https://redirect.github.com/chartjs/Chart.js/pull/6259) Fix `determineUnitForFormatting` floating point error - [https://github.com/chartjs/Chart.js/pull/6115](https://redirect.github.com/chartjs/Chart.js/pull/6115) Fix overlapping auto-generated ticks on time scale - [https://github.com/chartjs/Chart.js/pull/6238](https://redirect.github.com/chartjs/Chart.js/pull/6238) Fix tooltip title in radar charts - [https://github.com/chartjs/Chart.js/pull/6224](https://redirect.github.com/chartjs/Chart.js/pull/6224) Fix arc size calculation when circumference is under 2\*PI - [https://github.com/chartjs/Chart.js/pull/6215](https://redirect.github.com/chartjs/Chart.js/pull/6215) Fix arc border with circumference over 2\*PI - [https://github.com/chartjs/Chart.js/pull/5961](https://redirect.github.com/chartjs/Chart.js/pull/5961) Fix tick label rotation and layout issues - [https://github.com/chartjs/Chart.js/pull/6182](https://redirect.github.com/chartjs/Chart.js/pull/6182) Use the appropriate time format for auto tick generation - [https://github.com/chartjs/Chart.js/pull/6208](https://redirect.github.com/chartjs/Chart.js/pull/6208) Fill before drawing lines - [https://github.com/chartjs/Chart.js/pull/6209](https://redirect.github.com/chartjs/Chart.js/pull/6209) Fix missing tooltip value in radar charts - [https://github.com/chartjs/Chart.js/pull/6177](https://redirect.github.com/chartjs/Chart.js/pull/6177) Normalize angle for index in radialLinear scale - [https://github.com/chartjs/Chart.js/pull/6102](https://redirect.github.com/chartjs/Chart.js/pull/6102) Fix `ticks.minor` and `ticks.major` issues - [https://github.com/chartjs/Chart.js/pull/6129](https://redirect.github.com/chartjs/Chart.js/pull/6129) Fix hover animation - [https://github.com/chartjs/Chart.js/pull/6120](https://redirect.github.com/chartjs/Chart.js/pull/6120) Improved `helpers.almostWhole` #### Documentation - [https://github.com/chartjs/Chart.js/pull/6585](https://redirect.github.com/chartjs/Chart.js/pull/6585) Add a note to the perf documentation about rotation - [https://github.com/chartjs/Chart.js/pull/6554](https://redirect.github.com/chartjs/Chart.js/pull/6554) Add link to linear radial axis for radar chart doc - [https://github.com/chartjs/Chart.js/pull/6491](https://redirect.github.com/chartjs/Chart.js/pull/6491) Add `elements.arc.angle` in documentation - [https://github.com/chartjs/Chart.js/pull/6466](https://redirect.github.com/chartjs/Chart.js/pull/6466) Fixed incorrect spelling in pie dataset options. Thanks [@SeppPenner](https://redirect.github.com/SeppPenner) - [https://github.com/chartjs/Chart.js/pull/6435](https://redirect.github.com/chartjs/Chart.js/pull/6435) Add link back to home page from docs - [https://github.com/chartjs/Chart.js/pull/6393](https://redirect.github.com/chartjs/Chart.js/pull/6393) Add radar chart config options - [https://github.com/chartjs/Chart.js/pull/6293](https://redirect.github.com/chartjs/Chart.js/pull/6293) Correct descriptions on `ticks.display` and add `pointLabels.display` - [https://github.com/chartjs/Chart.js/pull/6263](https://redirect.github.com/chartjs/Chart.js/pull/6263) Add sample for radar scriptable options - [https://github.com/chartjs/Chart.js/pull/6244](https://redirect.github.com/chartjs/Chart.js/pull/6244) Fix data in timeseries sample - [https://github.com/chartjs/Chart.js/pull/6186](https://redirect.github.com/chartjs/Chart.js/pull/6186) Typo in doughnut documentation. Thanks [@joshuamcewen](https://redirect.github.com/joshuamcewen) - [https://github.com/chartjs/Chart.js/pull/6132](https://redirect.github.com/chartjs/Chart.js/pull/6132) Make docs consistent for `cubicInterpolationMode` and `fill`. Thanks [@stockiNail](https://redirect.github.com/stockiNail) - [https://github.com/chartjs/Chart.js/pull/6119](https://redirect.github.com/chartjs/Chart.js/pull/6119) Demonstrate multiple units on timeseries example - [https://github.com/chartjs/Chart.js/pull/6139](https://redirect.github.com/chartjs/Chart.js/pull/6139) Documented tooltip alignment options - [https://github.com/chartjs/Chart.js/pull/6134](https://redirect.github.com/chartjs/Chart.js/pull/6134) Documented date adapter #### Development - [https://github.com/chartjs/Chart.js/pull/6507](https://redirect.github.com/chartjs/Chart.js/pull/6507) Improved minimization when calling helpers - [https://github.com/chartjs/Chart.js/pull/6497](https://redirect.github.com/chartjs/Chart.js/pull/6497) Reduce indentation - [https://github.com/chartjs/Chart.js/pull/6355](https://redirect.github.com/chartjs/Chart.js/pull/6355) Do `autoSkip` in `update` - [https://github.com/chartjs/Chart.js/pull/6493](https://redirect.github.com/chartjs/Chart.js/pull/6493) Upgrade rollup and plugins - [https://github.com/chartjs/Chart.js/pull/6362](https://redirect.github.com/chartjs/Chart.js/pull/6362) Improved code minimization - [https://github.com/chartjs/Chart.js/pull/6360](https://redirect.github.com/chartjs/Chart.js/pull/6360) Create `helpers.math._factorize` - [https://github.com/chartjs/Chart.js/pull/6351](https://redirect.github.com/chartjs/Chart.js/pull/6351) Lazily compute label sizes - [https://github.com/chartjs/Chart.js/pull/6347](https://redirect.github.com/chartjs/Chart.js/pull/6347) Render charts only once in time scale tests - [https://github.com/chartjs/Chart.js/pull/6246](https://redirect.github.com/chartjs/Chart.js/pull/6246) Avoid time related deprecation warnings in tests ## Thanks to the maintainers and collaborators for their help to improve and test Chart.js ([@nagix](https://redirect.github.com/nagix), [@kurkle](https://redirect.github.com/kurkle), [@benmccann](https://redirect.github.com/benmccann), [@etimberg](https://redirect.github.com/etimberg) and [@simonbrunel](https://redirect.github.com/simonbrunel)).