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Commit 010e298

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camdecostercamdecoster
authored
Merge pull request #5609 from plotly/release-6.8.0
Version changes for v6.8.0
2 parents 7f2eb35 + ea4eca8 commit 010e298
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‎CHANGELOG.md‎

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## Unreleased
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## [6.8.0] - 2026-06-03
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### Added
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- Add optional `font` parameter for `make_subplots` [[#5393](https://github.com/plotly/plotly.py/pull/5393)]
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- Add optional `font` parameter for `make_subplots` [[#5393](https://github.com/plotly/plotly.py/pull/5393)], with thanks to @Zomtir for the contribution!
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### Fixed
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- Fix issue where user-specified `color_continuous_scale` was ignored when template had `autocolorscale=True` [[#5439](https://github.com/plotly/plotly.py/pull/5439)], with thanks to @antonymilne for the contribution!
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- Use presence of `COLAB_NOTEBOOK_ID` env var to enable Colab renderer instead of testing import of `google.colab` [[#5473](https://github.com/plotly/plotly.py/pull/5473)], with thanks to @kevineger for the contribution!
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- Fix incorrect annotation placement for `add_vline`, `add_hline`, `add_vrect`, and `add_hrect` on datetime axes [[#5508](https://github.com/plotly/plotly.py/pull/5508)], with thanks to @mosh3eb for the contribution!
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- Update tests to be compatible with numpy 2.4 [[#5522](https://github.com/plotly/plotly.py/pull/5522)], with thanks to @thunze for the contribution!
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- Add default headers to be passed in to Kaleido v1.3.0 to avoid blocked Open Street Map tiles [#5588](https://github.com/plotly/plotly.py/pull/5588)]
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- Fix issue where `js/` directory was unintentionally installed as a top-level Python package when installing `plotly` [[#5587](https://github.com/plotly/plotly.py/pull/5587)]
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- Add default headers to be passed in to Kaleido v1.3.0 to avoid blocked Open Street Map tiles [[#5588](https://github.com/plotly/plotly.py/pull/5588)]
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- Propagate the requested `default_height`/`default_width` to the outer wrapper div produced by `to_html` so that responsive (percentage) dimensions inherit from a sized parent container instead of collapsing to the plotly.js 450px fallback [[#5591](https://github.com/plotly/plotly.py/issues/5591)], with thanks to @SharadhNaidu for the contribution!
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### Updated
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- The `__eq__` method for `graph_objects` classes now returns `NotImplemented` to give the other operand an opportunity to handle the comparison [[#5547](https://github.com/plotly/plotly.py/pull/5547)], with thanks to @RazerM for the contribution!
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- Update plotly.js from version 3.5.0 to version 3.6.0. See the plotly.js [release notes](https://github.com/plotly/plotly.js/releases/tag/v3.6.0) for more information [[#5608](https://github.com/plotly/plotly.py/pull/5608)]. Notable changes include:
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- Add support for arrays for the pie property `legendrank`, so that it can be configured per slice [[#7723](https://github.com/plotly/plotly.js/pull/7723)]
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- Add `hoversort` layout attribute to sort unified hover label items by value [[#7734](https://github.com/plotly/plotly.js/pull/7734)]
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## [6.7.0] - 2026-04-09
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‎CITATION.cff‎

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- family-names: "Parmer"
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given-names: "Chris"
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title: "An interactive, open-source, and browser-based graphing library for Python"
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version: 6.7.0
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version: 6.8.0
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doi: 10.5281/zenodo.14503524
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date-released: 2026-04-09
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date-released: 2026-06-03
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url: "https://github.com/plotly/plotly.py"
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‎doc/python/hover-text-and-formatting.md‎

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fig.show()
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```
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#### Sorting Unified Hover Labels by Value
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*New in 6.8*
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In `'x unified'` and `'y unified'` hover modes, items in the hover label appear in the order their traces were added to the figure (the default, `hoversort="trace"`). Set `layout.hoversort` to `"value descending"` or `"value ascending"` to instead sort the items by the value being shown, which makes it easier to compare traces at a glance.
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```python
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import plotly.express as px
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df = px.data.stocks()
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fig = px.line(df, x="date", y=df.columns[1:], title="layout.hoversort='value descending'")
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fig.update_traces(hovertemplate=None)
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fig.update_layout(hovermode="x unified", hoversort="value descending")
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fig.show()
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```
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#### Customize Title in Unified Hover Mode
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fig.show()
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```
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### Customizing Hover text with Plotly Express
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### Emitting Hover and Click Events Anywhere in the Plot Area
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*New in 6.7*
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By default, hover and click events are only emitted when the cursor is over a trace. Set `hoveranywhere` or `clickanywhere` to `True` to emit these events anywhere inside the plot area, including over empty space: `fig.update_layout(hoveranywhere=True, clickanywhere=True)`. The events carry the cursor's data coordinates, which is useful when building interactive callbacks (for example, in [Dash](https://dash.plotly.com/)) that need to respond to clicks on locations that don't correspond to a specific data point.
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### Customizing Hover Text with Plotly Express
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Plotly Express functions automatically add all the data being plotted (x, y, color etc) to the hover label. Many Plotly Express functions also support configurable hover text. The `hover_data` argument accepts a list of column names to be added to the hover tooltip, or a dictionary for advanced formatting (see the next section). The `hover_name` property controls which column is displayed in bold as the tooltip title.
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‎doc/python/legend.md‎

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fig.show()
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```
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##### Per-Slice `legendrank` for Pie Traces
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*New in 6.8*
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For `pie` traces, `legendrank` also accepts an array so that each slice can be ranked individually. In the example below, the slices appear in the legend in the order specified by `legendrank` (lowest rank first), independent of the order of `values`.
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```python
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import plotly.graph_objects as go
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fig = go.Figure(
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go.Pie(
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labels=["Oxygen", "Hydrogen", "Carbon", "Nitrogen", "Other"],
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values=[4500, 2500, 1053, 500, 600],
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legendrank=[3, 1, 2, 5, 4],
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)
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)
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fig.show()
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```
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#### Showing and Hiding the Legend
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By default the legend is displayed on Plotly charts with multiple traces, and this can be explicitly set with the `layout.showlegend` attribute.
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‎doc/python/static-image-export.md‎

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`topojson`: Location of the topojson files needed to render choropleth traces. Defaults to a CDN location. If fully offline export is required, set this to a local directory containing the Plotly.js topojson files.
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`headers`: *New in 6.8.* A dict of HTTP headers Kaleido sends when fetching external resources during image export (for example, when fetching OpenStreetMap tiles for tile maps). Defaults to `{"X-Requested-With": "plotly.py"}`, which is required to comply with the [OpenStreetMap tile usage policy](https://operations.osmfoundation.org/policies/tiles/). Requires Kaleido v1.3.0 or later.
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`mapbox_access_token`: The default Mapbox access token (Kaleido v0 only). Mapbox traces are deprecated. See the [MapLibre Migration](https://plotly.com/python/mapbox-to-maplibre/) page for more details.
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### Set Defaults
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‎doc/python/subplots.md‎

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#### Customizing the Subplot Title Font
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*New in 6.8*
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Use the `font` argument of `make_subplots` to customize the font used for `subplot_titles`, `column_titles`, `row_titles`, `x_title`, and `y_title`. The argument accepts a dict with any of the standard [font attributes](https://plotly.com/python/reference/layout/annotations/#layout-annotations-items-annotation-font) (`family`, `size`, `color`, `weight`, etc.).
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```python
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from plotly.subplots import make_subplots
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import plotly.graph_objects as go
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fig = make_subplots(
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rows=1, cols=2,
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subplot_titles=("Plot 1", "Plot 2"),
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font=dict(family="Courier New, monospace", size=20, color="RebeccaPurple"),
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)
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fig.add_trace(go.Scatter(x=[1, 2, 3], y=[4, 5, 6]), row=1, col=1)
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fig.add_trace(go.Scatter(x=[20, 30, 40], y=[50, 60, 70]), row=1, col=2)
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fig.show()
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```
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#### Subplots with Annotations
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```python
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‎js/package-lock.json‎

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‎js/package.json‎

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{
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"name": "jupyterlab-plotly",
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"main": "lib/mimeExtension.js",
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"version": "6.7.0",
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"version": "6.8.0",
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"repository": {
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"type": "git",
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"url": "https://github.com/plotly/plotly.py"
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‎plotly/labextension/package.json‎

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{
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"name": "jupyterlab-plotly",
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"main": "lib/mimeExtension.js",
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"version": "6.8.0",
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"repository": {
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"dependencies": {
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"plotly.js": "3.5.0",
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"plotly.js": "3.6.0",
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"devDependencies": {
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"outputDir": "../plotly/labextension",
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"webpackConfig": "./webpack.config.js",
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"_build": {
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"load": "static/remoteEntry.b2077f01f9b03ba2c63d.js",
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"load": "static/remoteEntry.2a6392a40c19ad8383a0.js",
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"mimeExtension": "./mimeExtension"
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}
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‎plotly/labextension/static/1.747c8e0c8042a68fba0a.js‎

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