# Apache ECharts changelog

> A declarative charting library for large, interactive data visualizations.

- Vendor: Apache
- Category: Frameworks & Libraries
- Official site: https://echarts.apache.org
- Tracked by: What's New (https://whatsnew.fyi/product/echarts)
- Harvested from: GitHub (apache/echarts)
- Entries below: 10 (newest first)

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

## Releases

### 6.1.0

- Date: 2026-05-19
- Version: 6.1.0
- Original notes: https://github.com/apache/echarts/releases/tag/6.1.0
- Permalink: https://whatsnew.fyi/product/echarts/releases/6.1.0

- **added** — Support `dataMin` and `dataMax` option for calculating a nice axis extent
- **added** — Enable all types of axis (`value`/`time`/`category`/`log`) to render series without overflow and provide `containShape` option and corresponding `clip` option
- **added** — Automatically exclude non-positive series data values on `log` axis
- **added** — Enable `axisLabel.formatter` to receive its index for working with `customValues`
- **added** — Add `triggerEvent` option for line series for more control over mouse event
- **added** — Add `tangential-noflip` rotation mode to pie labels to keep labels tangential without flipping
- **added** — Support `'auto'` value for `progress.color` in gauge charts
- **added** — Add `clockwise` option for radar charts
- **added** — Add `cursor` option for candlestick series and add `cursorGrab` and `cursorGrabbing` options for inside dataZoom
- **added** — Enable `clip` option on scatter and effectScatter series on geo
- **added** — Add `seriesTargets` option for visualMap to support multiple series-dimension mappings
- **added** — Support `matrix.x/y.length` for conveniently creating a headless matrix
- **added** — Add `triggerEvent` option to matrix series to support triggering event on matrix cells
- **added** — Add Latvian (LV) translation
- **fixed** — Change and clarify the rounding error and auto-precision utils and solutions
- **fixed** — Fix chart does not work when using `customValues` with `formatter` in time axis label
- **fixed** — Fix and clarify `alignTick` strategy and fix `LogScale` precision
- **fixed** — Fix duplicate ticks when using time axis or `customValues` which causes jitter of `splitArea` and fix `showMin/MaxLabel` handling of category axis
- **fixed** — Fix time axis bug when value scale is in millisecond
- **fixed** — Fix wrong label position when bar series has a 0 width/height
- **fixed** — Fix jitter layout does not support progressive rendering and cause chart to be frozen
- **fixed** — Fix effect symbol flip on unidirectional loop end when `roundTrip` is not enabled

+ [Feature] [axis] Support `dataMin` and `dataMax` option for calculating a nice axis extent. [#20838](https://github.com/apache/echarts/pull/20838) ([Justin-ZS](https://github.com/Justin-ZS), [Ovilia](https://github.com/Ovilia))
+ [Feature] [axis] Comprehensively enable all types of axis (i.e., `"value"`/`"time"`/`"category"`/`"log"`) to render series (typically `"bar"`/`"pictorialBar"`/`"candlestick"`/`"boxplot"`) without overflow (including the case `"category"` axis with `boundaryGap: false`); provide `containShape` option; provide some corresponding `clip` option. [dbfaf6a73](https://github.com/apache/echarts/commit/dbfaf6a73) [fe932a2aa](https://github.com/apache/echarts/commit/fe932a2aa) [3973b21ee](https://github.com/apache/echarts/commit/3973b21ee) ([100pah](https://github.com/100pah)) [#21511](https://github.com/apache/echarts/pull/21511) ([Akash Sonune](https://github.com/akashsonune))
+ [Feature] [axis] Automatically exclude non-positive series data values on `"log"` axis. [dedc5dc18](https://github.com/apache/echarts/commit/dedc5dc18) ([100pah](https://github.com/100pah))
+ [Feature] [axis] Enable `axisLabel.formatter` to receive its index for working with `customValues`. [#21220](https://github.com/apache/echarts/pull/21220) [#21432](https://github.com/apache/echarts/pull/21432) ([Szymon Pachucki](https://github.com/szymonpachucki), [Ovilia](https://github.com/Ovilia), [plainheart](https://github.com/plainheart))
+ [Feature] [line] Add `triggerEvent` option for more control over mouse event. [#21001](https://github.com/apache/echarts/pull/21001) ([Steven Cobb](https://github.com/sjcobb), [plainheart](https://github.com/plainheart))
+ [Feature] [pie] Add `tangential-noflip` rotation mode to keep labels tangential without flipping. [#21258](https://github.com/apache/echarts/pull/21258) ([春秋半夏](https://github.com/MC-YCY), [Ovilia](https://github.com/Ovilia))
+ [Feature] [gauge] `progress.color` supports `'auto'`. [#21224](https://github.com/apache/echarts/pull/21224) ([StNimmerlein](https://github.com/StNimmerlein), [Ovilia](https://github.com/Ovilia))
+ [Feature] [radar] Add `clockwise` option. [#21143](https://github.com/apache/echarts/pull/21143) ([Dai Xuezhou](https://github.com/daidr), [Ovilia](https://github.com/Ovilia))
+ [Feature] [candlestick] [dataZoom] Add `cursor` option for `candlestick` series and add `cursorGrab` option & `cursorGrabbing` for `'inside'` dataZoom. [#21558](https://github.com/apache/echarts/pull/21558) ([zuming](https://github.com/diysimon), [Ovilia](https://github.com/Ovilia), [100pah](https://github.com/100pah))
+ [Feature] [scatter] [effectScatter] [geo] Enable `clip` option on `"scatter"`/`"effectScatter"` on `geo`. [417592289](https://github.com/apache/echarts/commit/417592289) ([100pah](https://github.com/100pah))
+ [Feature] [visualMap] Add `seriesTargets` option for multiple series-dimension mappings. [#20703](https://github.com/apache/echarts/pull/20703) ([Justin-ZS](https://github.com/Justin-ZS), [plainheart](https://github.com/plainheart))
+ [Feature] [matrix] Support `matrix.x/y.length` for conveniently creating a headless matrix without composing an array. [#21191](https://github.com/apache/echarts/pull/21191) ([100pah](https://github.com/100pah), [plainheart](https://github.com/plainheart))
+ [Feature] [matrix] Add `triggerEvent` option to support triggering event on matrix cells. [#21390](https://github.com/apache/echarts/pull/21390) ([Natsuo Kawai](https://github.com/natsuokawai), [100pah](https://github.com/100pah))
+ [Feature] [i18n] add Latvian(LV) translation. [#21546](https://github.com/apache/echarts/pull/21546) ([EPoikans](https://github.com/EPoikans))
+ [Fix] [axis] Change and clarify the rounding error and auto-precision utils and solutions. [479dcd454](https://github.com/apache/echarts/commit/479dcd454) ([100pah](https://github.com/100pah))
+ [Fix] [axis] Fix chart does not work when using `customValues` with `formatter` in time axis (`axis.type:

_[Truncated at 4000 characters — full notes: https://github.com/apache/echarts/releases/tag/6.1.0]_

### 6.1.0-rc.2

- Date: 2026-05-13
- Version: 6.1.0-rc.2
- Original notes: https://github.com/apache/echarts/releases/tag/6.1.0-rc.2
- Permalink: https://whatsnew.fyi/product/echarts/releases/6.1.0-rc.2
- Labels: Pre-release

Release 6.1.0-rc.2

### 6.1.0-rc.1

- Date: 2026-05-12
- Version: 6.1.0-rc.1
- Original notes: https://github.com/apache/echarts/releases/tag/6.1.0-rc.1
- Permalink: https://whatsnew.fyi/product/echarts/releases/6.1.0-rc.1
- Labels: Pre-release

Release 6.1.0-rc.1

### 6.0.0

- Date: 2025-07-30
- Version: 6.0.0
- Original notes: https://github.com/apache/echarts/releases/tag/6.0.0
- Permalink: https://whatsnew.fyi/product/echarts/releases/6.0.0

- **added** — New theme for ECharts 6.0
- **added** — New chord series
- **added** — New matrix coordinate system with support for declaratively laying out all series and components in matrix and calendar coordinate system cells
- **added** — Support reusable custom series
- **added** — New layout mechanism for Cartesian grid component to prevent axis labels and axis names from overflowing the canvas and overlapping
- **added** — Support jittering for scatter series
- **added** — Support break on the axis
- **added** — Support dynamically registering and switching themes
- **added** — Roaming infrastructure enhancement including roamTrigger, clip support on geo and series.map, cursor style changes, preserveAspect option, and improved behavior for roaming area overlapping
- **added** — Support thumbnail for the graph series
- **added** — Support z option for markPoint/markLine/markArea
- **added** — Support z2 option for markPoint/markLine/markArea
- **added** — Support reversing the stack order
- **added** — Support roaming for sankey series
- **added** — Support compoundPath in custom series renderItem
- **added** — Support relativeTo option for specifying the relative target of marker position
- **added** — Support tooltip for angleAxis label
- **added** — Support displayTransition option to control whether to enable the tooltip display transition
- **added** — Support unboundedRange option for visualMap
- **added** — Support triggerEvent option for legend
- **fixed** — Fix label rich style does not inherit the plain label style
- **fixed** — Fix label layout margin

+ [Feature] [theme] New theme for ECharts 6.0. [#20865](https://github.com/apache/echarts/issues/20865) [#21097](https://github.com/apache/echarts/issues/21097) [#21114](https://github.com/apache/echarts/issues/21114) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [chord] New chord series. [#20522](https://github.com/apache/echarts/issues/20522) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [matrix&calendar] New matrix coordinate system. And all series and components (including other coordinate systems, such as `grid`(Cartesian), `geo`, `polar`, etc.) are supported to be declaratively laid out in the cells of matrix and calendar coordinate system. [#19807](https://github.com/apache/echarts/issues/19807) [#21093](https://github.com/apache/echarts/pull/21093) ([Ovilia](https://github.com/Ovilia)) [#21005](https://github.com/apache/echarts/issues/21005) [#21108](https://github.com/apache/echarts/issues/21108) ([100pah](https://github.com/100pah))
+ [Feature] [custom] Support reusable custom series. [#20226](https://github.com/apache/echarts/issues/20226) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [cartesian] Introduce new layout mechanism to avoid Cartesian (i.e., `grid` component) axis labels and axis names overflowing the canvas, prevent axis names from overlapping with axis labels, and make them the default. [#21059](https://github.com/apache/echarts/pull/21059) ([100pah](https://github.com/100pah)) [#19534](https://github.com/apache/echarts/pull/19534) ([robin-gerling](https://github.com/robin-gerling)) [#16825](https://github.com/apache/echarts/pull/16825) ([konrad-amtenbrink](https://github.com/konrad-amtenbrink))
+ [Feature] [scatter] Support jittering for scatter series. [#19941](https://github.com/apache/echarts/issues/19941) [#21067](https://github.com/apache/echarts/pull/21067) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [axis] Support break on the axis. [#19459](https://github.com/apache/echarts/issues/19459) ([Ovilia](https://github.com/Ovilia)) [#20857](https://github.com/apache/echarts/issues/20857) ([100pah](https://github.com/100pah))
+ [Feature] [theme] Support dynamically registering and switching themes. [#20705](https://github.com/apache/echarts/issues/20705) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [roam] Roaming infrastructure enhancement - support users specifying roaming area by `roamTrigger`; support `clip` on `geo` and `series.map`; support cursor style change when hovering on the roaming area; support `preserveAspect` on `geo`, `series.map` and `series.graph`; fix the percent base of `center` on `geo`, `series.map`, `series.graph` and `series.tree`; enhance the behavior for roaming area overlapping. [#19807#issuecomment-2974437299](https://github.com/apache/echarts/pull/19807#issuecomment-2974437299) ([100pah](https://github.com/100pah))
+ [Feature] [thumbnail] Support thumbnail for the graph series. [#19807#issuecomment-3013454598](https://github.com/apache/echarts/pull/19807#issuecomment-3013454598) ([100pah](https://github.com/100pah)) [#17471](https://github.com/apache/echarts/issues/17471) ([Lruler](https://github.com/Lruler))
+ [Feature] [marker] Support `z` option for markPoint/markLine/markArea. [#21117](https://github.com/apache/echarts/issues/21117) ([sz-p](https://github.com/sz-p))
+ [Feature] [marker] Support `z2` option for markPoint/markLine/markArea. [#20782](https://github.com/apache/echarts/issues/20782) ([sz-p](https://github.com/sz-p))
+ [Feature] [stack] Support reversing the stack order. [#20998](https://github.com/apache/echarts/issues/20998) ([Justin-ZS](https://github.com/Justin-ZS))
+ [Feature] [sankey] Support roaming for sankey series. [#20321](https://github.com/apache/echarts/issues/20321) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [custom] Support compoundPath in custom series renderItem. [#20402](https://github.com/apache/echarts/issues/20402) [#21040](https://github.com/apache/echarts/issues/21040) ([Ovilia](https://githu

_[Truncated at 4000 characters — full notes: https://github.com/apache/echarts/releases/tag/6.0.0]_

### 6.0.0-rc.2

- Date: 2025-07-24
- Version: 6.0.0-rc.2
- Original notes: https://github.com/apache/echarts/releases/tag/6.0.0-rc.2
- Permalink: https://whatsnew.fyi/product/echarts/releases/6.0.0-rc.2
- Labels: Pre-release

Release 6.0.0-rc.2

### 6.0.0-rc.1

- Date: 2025-07-23
- Version: 6.0.0-rc.1
- Original notes: https://github.com/apache/echarts/releases/tag/6.0.0-rc.1
- Permalink: https://whatsnew.fyi/product/echarts/releases/6.0.0-rc.1
- Labels: Pre-release

Release 6.0.0-rc.1

### 6.0.0-beta.1

- Date: 2025-06-25
- Version: 6.0.0-beta.1
- Original notes: https://github.com/apache/echarts/releases/tag/6.0.0-beta.1
- Permalink: https://whatsnew.fyi/product/echarts/releases/6.0.0-beta.1
- Labels: Pre-release

- **added** — New theme for ECharts 6.0
- **added** — New chord series
- **added** — New matrix coordinate system with declarative layout support for all series and components in matrix and calendar coordinate system cells
- **added** — Support reusable custom series
- **added** — New layout mechanism for Cartesian grid component to prevent axis labels and axis names from overflowing the canvas and overlapping
- **added** — Support jittering for scatter series
- **added** — Support break on the axis
- **added** — Support dynamically registering and switching themes
- **added** — Roaming infrastructure enhancement including roamTrigger, clip support on geo and series.map, cursor style changes, preserveAspect option, and improved roaming area overlapping behavior
- **added** — Support thumbnail for the graph series
- **added** — Support z2 option for markPoint/markLine/markArea
- **added** — Support reversing the stack order
- **added** — Support roaming for sankey series
- **added** — Support compoundPath in custom series renderItem
- **added** — Support relativeTo option for specifying the relative target of marker position
- **added** — Support tooltip for angleAxis label
- **added** — Support displayTransition option to control tooltip display transition
- **added** — Support triggerEvent option for legend
- **added** — Support tooltipDisabled for custom series
- **added** — Add Norwegian Bokmål translation
- **fixed** — Fix label rich style does not inherit the plain label style

+ [Feature] [theme] New theme for ECharts 6.0. [#20865](https://github.com/apache/echarts/issues/20865) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [chord] New chord series. [#20522](https://github.com/apache/echarts/issues/20522) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [matrix&calendar] New matrix coordinate system. And all series and components (including other coordinate systems, such as `grid`(Cartesian), `geo`, `polar`, etc.) are supported to be declaratively laid out in the cells of matrix and calendar coordinate system. [#19807](https://github.com/apache/echarts/issues/19807) ([Ovilia](https://github.com/Ovilia)) [#21005](https://github.com/apache/echarts/issues/21005) ([100pah](https://github.com/100pah))
+ [Feature] [custom] Support reusable custom series. [#20226](https://github.com/apache/echarts/issues/20226) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [cartesian] Introduce new layout mechanism to avoid Cartesian (i.e., `grid` component) axis labels and axis names overflowing the canvas, prevent axis names from overlapping with axis labels, and make them the default. [#21059](https://github.com/apache/echarts/pull/21059) ([100pah](https://github.com/100pah)), [#19534](https://github.com/apache/echarts/pull/19534) ([robin-gerling](https://github.com/robin-gerling)), [#16825](https://github.com/apache/echarts/pull/16825) ([konrad-amtenbrink](https://github.com/konrad-amtenbrink)).
+ [Feature] [scatter] Support jittering for scatter series. [#19941](https://github.com/apache/echarts/issues/19941) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [axis] Support break on the axis. [#19459](https://github.com/apache/echarts/issues/19459) ([Ovilia](https://github.com/Ovilia)) [#20857](https://github.com/apache/echarts/issues/20857) ([100pah](https://github.com/100pah))
+ [Feature] [theme] Support dynamically registering and switching themes. [#20705](https://github.com/apache/echarts/issues/20705) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [roam] Roaming infrastructure enhancement - support users specifying roaming area by `roamTrigger`; support `clip` on `geo` and `series.map`; support cursor style change when hovering on the roaming area; support `preserveAspect` on `geo`, `series.map` and `series.graph`; fix the percent base of `center` on `geo`, `series.map`, `series.graph` and `series.tree`; enhance the behavior for roaming area overlapping. [#19807#issuecomment-2974437299](https://github.com/apache/echarts/pull/19807#issuecomment-2974437299) ([100pah](https://github.com/100pah)).
+ [Feature] [thumbnail] Support thumbnail for the graph series. [#19807#issuecomment-3013454598](https://github.com/apache/echarts/pull/19807#issuecomment-3013454598) ([100pah](https://github.com/100pah)), [#17471](https://github.com/apache/echarts/issues/17471) ([Lruler](https://github.com/Lruler))
+ [Feature] [marker] Support `z2` option for markPoint/markLine/markArea. [#20782](https://github.com/apache/echarts/issues/20782) ([sz-p](https://github.com/sz-p))
+ [Feature] [stack] Support reversing the stack order. [#20998](https://github.com/apache/echarts/issues/20998) ([Justin-ZS](https://github.com/Justin-ZS))
+ [Feature] [sankey] Support roaming for sankey series. [#20321](https://github.com/apache/echarts/issues/20321) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [custom] Support compoundPath in custom series renderItem. [#20402](https://github.com/apache/echarts/issues/20402) [#21040](https://github.com/apache/echarts/issues/21040) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [marker] Support `relativeTo` option for specifying the relative target of marker position. [#20166](https://github.com/apache/echarts/issues/20166) [#21042](https://github.com/apache/echarts/issues/21042) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [axis] Support tooltip for angleAxis label. [#20986](https://github.com/apache/echarts/issues/20986) ([plainheart](https://github.com/plainheart))
+ [Featu

_[Truncated at 4000 characters — full notes: https://github.com/apache/echarts/releases/tag/6.0.0-beta.1]_

### 5.6.0

- Date: 2024-12-28
- Version: 5.6.0
- Original notes: https://github.com/apache/echarts/releases/tag/5.6.0
- Permalink: https://whatsnew.fyi/product/echarts/releases/5.6.0

- **added** — Support styling region in original GeoJSON data for geo/map components
- **added** — Support regions[].silent option for geo/map components
- **added** — Support tooltip for axis label
- **added** — Add isTruncated state property for Text element
- **added** — Add new emphasis focus strategy 'relative' for sunburst to highlight ancestor and descendant nodes
- **added** — Add showMinLine / showMaxLine option for splitLine on axis
- **added** — Add handleLabel.show option for dataZoom
- **added** — Add silent option for dayLabel/monthLabel/yearLabel in calendar
- **added** — Add cursor option for treemap
- **added** — Add aria.data.excludeDimensionId to exclude specific dimensions in aria-label
- **added** — Add role="img" to chart container element for accessibility
- **added** — Add Swedish (SV) translation
- **added** — Add Persian (FA) translation
- **changed** — Improve pt-BR translation
- **fixed** — Reduce runtime memory cost in line series
- **fixed** — Fix areaStyle skewing in stepped line series and incorrect connectNull behavior
- **fixed** — Add back missing support for non-normal states in candlestick series since v5.0.0
- **fixed** — Fix legend action is not isolated from other legend components
- **fixed** — Fix borderColor hides bar color with large data
- **fixed** — Fix zero value flipping for different axes in pictorial series
- **fixed** — Fix cursor is still pointer when selectedMode is disabled in visualMap

+ [Feature] [geo] [map] Support styling region in original GeoJSON data. [#20564](https://github.com/apache/echarts/issues/20564) ([plainheart](https://github.com/plainheart))
+ [Feature] [geo] [map] Support `regions[].silent` option. [#20566](https://github.com/apache/echarts/issues/20566) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [axis] Support tooltip for axis label. [#16315](https://github.com/apache/echarts/issues/16315) ([plainheart](https://github.com/plainheart))
+ [Feature] [text] Add `isTruncated` state property for `Text` element. [#1101](https://github.com/ecomfe/zrender/pull/1101) ([100pah](https://github.com/100Pah))
+ [Feature] [sunburst] Add new emphasis focus strategy `'relative'` for highlighting ancestor and descendant nodes. [#20399](https://github.com/apache/echarts/issues/20399) ([sz-p](https://github.com/sz-p))
+ [Feature] [axis] Add `showMinLine` / `showMaxLine` option for `splitLine`. [#20114](https://github.com/apache/echarts/issues/20114) ([adaelixir](https://github.com/adaelixir))
+ [Feature] [dataZoom] Add `handleLabel.show` option. [#20082](https://github.com/apache/echarts/issues/20082) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [calendar] Add `silent` option for `dayLabel`/`monthLabel`/`yearLabel`. [#20492](https://github.com/apache/echarts/issues/20492) ([plainheart](https://github.com/plainheart))
+ [Feature] [treemap] Add `cursor` option. [#20113](https://github.com/apache/echarts/issues/20113) ([adaelixir](https://github.com/adaelixir))
+ [Feature] [aria] Add `aria.data.excludeDimensionId` to exclude specific dimensions in aria-label. [#20218](https://github.com/apache/echarts/issues/20218) ([semla](https://github.com/semla))
+ [Feature] [aria] Add `role="img"` to chart container element. [#20050](https://github.com/apache/echarts/issues/20050) ([ViniciusCestarii](https://github.com/ViniciusCestarii))
+ [Feature] [i18n] Add Swedish(SV) translation [#20227](https://github.com/apache/echarts/issues/20227) ([NajamShehzad](https://github.com/NajamShehzad))
+ [Feature] [i18n] Add Persian(FA) translation. [#20312](https://github.com/apache/echarts/issues/20312) ([Ayazadeh](https://github.com/Ayazadeh))
+ [Feature] [i18n] Improve pt-BR translation. [#20348](https://github.com/apache/echarts/issues/20348) ([ViniciusCestarii](https://github.com/ViniciusCestarii))
+ [Fix] [line] Reduce runtime memory cost. [#20161](https://github.com/apache/echarts/issues/20161) ([plainheart](https://github.com/plainheart))
+ [Fix] [line] Fix `areaStyle` skewing in stepped line series and incorrect `connectNull` behavior [#20092](https://github.com/apache/echarts/issues/20092) ([Ovilia](https://github.com/Ovilia))
+ [Fix] [candlestick] Add back missing support for non-normal states since v5.0.0. [#20105](https://github.com/apache/echarts/issues/20105) ([plainheart](https://github.com/plainheart))
+ [Fix] [legend] Fix legend action is not isolated from other legend components. [#20129](https://github.com/apache/echarts/issues/20129) ([plainheart](https://github.com/plainheart))
+ [Fix] [bar] Fix borderColor hides bar color with large data. [#20465](https://github.com/apache/echarts/issues/20465) ([DevitX](https://github.com/DevitX))
+ [Fix] [pictorial] Fix zero value flipping for different axes. [#20557](https://github.com/apache/echarts/issues/20557) ([Ovilia](https://github.com/Ovilia))
+ [Fix] [visualMap] Fix cursor is still pointer when `selectedMode` is disabled. [#20551](https://github.com/apache/echarts/issues/20551) ([sz-p](https://github.com/sz-p))
+ [Fix] [visualMap] Fix label collides with horizontal visualMap. [#20249](https://github.com/apache/echarts/issues/20249) ([WojciechKrakowiak](https://github.com/WojciechKrakowiak))
+ [Fix] [tooltip] Fix potential NPE when setting option with `notMerge` strategy. [#20435](https://github.com/apache/echarts/issues/20435) ([ktx-abhay](https://github.com/ktx-abhay))
+ [Fix] [tooltip] Fix tooltip `textStyle.lineHeight` does not work

_[Truncated at 4000 characters — full notes: https://github.com/apache/echarts/releases/tag/5.6.0]_

### 5.6.0-rc.1

- Date: 2024-12-21
- Version: 5.6.0-rc.1
- Original notes: https://github.com/apache/echarts/releases/tag/5.6.0-rc.1
- Permalink: https://whatsnew.fyi/product/echarts/releases/5.6.0-rc.1
- Labels: Pre-release

Release 5.6.0-rc.1

### 5.5.1

- Date: 2024-06-27
- Version: 5.5.1
- Original notes: https://github.com/apache/echarts/releases/tag/5.5.1
- Permalink: https://whatsnew.fyi/product/echarts/releases/5.5.1

- **added** — Support custom axis tick/label positions
- **added** — Add `startValue` option for bar series
- **added** — Add `itemStyle.borderRadius` option for sankey
- **added** — Add meridian template `{a}/{A}` for time formatting
- **added** — Add `totalZoom` parameter for the `georoam` event
- **added** — Add `scaleLimit` option to treemap to limit the zooming
- **fixed** — Avoid error caused by `seriesData.getLinkedData`
- **fixed** — Fix marker label formatter can't get series information
- **fixed** — Avoid error in aria in SSR mode
- **fixed** — Avoid error when using BigInt values
- **fixed** — Fix `endAngle` is not applied on the empty circle in pie charts
- **fixed** — Fix uncaught reference error in toolbox in environments where `MouseEvent` doesn't exist
- **security** — Fix tooltip XSS issue when legend name is HTML string
- **fixed** — Fix that in users' .d.ts `import('echarts/types/dist/shared')` can not visit `'echarts/types/dist/shared.d.ts'` since v5.5.0

+ [Feature] [axis] Support custom axis tick/label positions. [#19919](https://github.com/apache/echarts/issues/19919) ([dvdkon](https://github.com/dvdkon)) ([Ovilia](https://github.com/Ovilia))
+ [Feature] [bar] Add `startValue` option. [#17078](https://github.com/apache/echarts/issues/17078) ([jiawulin001](https://github.com/jiawulin001))
+ [Feature] [sankey] Add `itemStyle.borderRadius` option. [#19763](https://github.com/apache/echarts/issues/19763) ([deftliang](https://github.com/deftliang))
+ [Feature] [time] Add meridian template `{a}/{A}`. [#19888](https://github.com/apache/echarts/issues/19888) ([maurodesouza](https://github.com/maurodesouza))
+ [Feature] [geo] Add `totalZoom` parameter for the `georoam` event. [#19837](https://github.com/apache/echarts/issues/19837) ([zhaoxinggang](https://github.com/zhaoxinggang))
+ [Feature] [treemap] Add `scaleLimit` option to limit the zooming. [#18304](https://github.com/apache/echarts/issues/18304) ([liuyizhou](https://github.com/liuyizhou))
+ [Fix] [series] Avoid error caused by `seriesData.getLinkedData`. [#19901](https://github.com/apache/echarts/issues/19901) ([plainheart](https://github.com/plainheart))
+ [Fix] [marker] Fix marker label formatter can't get series information. [#19898](https://github.com/apache/echarts/issues/19898) ([plainheart](https://github.com/plainheart))
+ [Fix] [aria] Avoid error in SSR mode. [#19892](https://github.com/apache/echarts/issues/19892) ([OverflowCat](https://github.com/OverflowCat))
+ [Fix] [data] Avoid error when using BigInt values. [#19847](https://github.com/apache/echarts/issues/19847) ([zettca](https://github.com/zettca))
+ [Fix] [pie] Fix `endAngle` is not applied on the empty circle. [#19642](https://github.com/apache/echarts/issues/19642) ([plainheart](https://github.com/plainheart))
+ [Fix] [toolbox] Fix uncaught reference error in the environment that `MouseEvent` doesn't exist. [#19620](https://github.com/apache/echarts/issues/19620) ([plainheart](https://github.com/plainheart))
+ [Fix] [tooltip] Fix tooltip XSS issue when legend name is HTML string. [#20045](https://github.com/apache/echarts/issues/20045) ([plainheart](https://github.com/plainheart))
+ [Fix] [type] Fix that in users' .d.ts `import('echarts/types/dist/shared')` can not visit `'echarts/types/dist/shared.d.ts'` since v5.5.0. [#20030](https://github.com/apache/echarts/issues/20030) ([100pah](https://github.com/100pah))

##### New Contributors
* @miracleren made their first contribution in https://github.com/apache/echarts/pull/19373
* @zhaoxinggang made their first contribution in https://github.com/apache/echarts/pull/19837
* @zettca made their first contribution in https://github.com/apache/echarts/pull/19847
* @OverflowCat made their first contribution in https://github.com/apache/echarts/pull/19892
* @maurodesouza made their first contribution in https://github.com/apache/echarts/pull/19888
* @deftliang made their first contribution in https://github.com/apache/echarts/pull/19763
* @liuyizhou made their first contribution in https://github.com/apache/echarts/pull/18304