Update plotly requirement from <=6.7.0,>=5.16 to >=5.16,<=6.8.0

[dependabot]

Updates the requirements on plotly to permit the latest version.

Release notes

Sourced from plotly's releases.

v6.8.0

Added

• Add optional font parameter for make_subplots [#5393], with thanks to @​Zomtir for the contribution!

Fixed

• Fix issue where user-specified color_continuous_scale was ignored when template had autocolorscale=True [#5439], with thanks to @​antonymilne for the contribution!
• Use presence of COLAB_NOTEBOOK_ID env var to enable Colab renderer instead of testing import of google.colab [#5473], with thanks to @​kevineger for the contribution!
• Fix incorrect annotation placement for add_vline, add_hline, add_vrect, and add_hrect on datetime axes [#5508], with thanks to @​mosh3eb for the contribution!
• Update tests to be compatible with numpy 2.4 [#5522], with thanks to @​thunze for the contribution!
• Fix issue where js/ directory was unintentionally installed as a top-level Python package when installing plotly [#5587]
• Add default headers to be passed in to Kaleido v1.3.0 to avoid blocked Open Street Map tiles [#5588]
• 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], with thanks to @​SharadhNaidu for the contribution!

Updated

• The __eq__ method for graph_objects classes now returns NotImplemented to give the other operand an opportunity to handle the comparison [#5547], with thanks to @​RazerM for the contribution!
• Update plotly.js from version 3.5.0 to version 3.6.0. See the plotly.js release notes for more information [#5608]. Notable changes include:
  • Add support for arrays for the pie property legendrank, so that it can be configured per slice [#7723]
  • Add hoversort layout attribute to sort unified hover label items by value [#7734]

Changelog

Sourced from plotly's changelog.

[6.8.0] - 2026-06-03

Added

• Add optional font parameter for make_subplots [#5393], with thanks to @​Zomtir for the contribution!

Fixed

• Fix issue where user-specified color_continuous_scale was ignored when template had autocolorscale=True [#5439], with thanks to @​antonymilne for the contribution!
• Use presence of COLAB_NOTEBOOK_ID env var to enable Colab renderer instead of testing import of google.colab [#5473], with thanks to @​kevineger for the contribution!
• Fix incorrect annotation placement for add_vline, add_hline, add_vrect, and add_hrect on datetime axes [#5508], with thanks to @​mosh3eb for the contribution!
• Update tests to be compatible with numpy 2.4 [#5522], with thanks to @​thunze for the contribution!
• Fix issue where js/ directory was unintentionally installed as a top-level Python package when installing plotly [#5587]
• Add default headers to be passed in to Kaleido v1.3.0 to avoid blocked Open Street Map tiles [#5588]
• 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], with thanks to @​SharadhNaidu for the contribution!

Updated

• The __eq__ method for graph_objects classes now returns NotImplemented to give the other operand an opportunity to handle the comparison [#5547], with thanks to @​RazerM for the contribution!
• Update plotly.js from version 3.5.0 to version 3.6.0. See the plotly.js release notes for more information [#5608]. Notable changes include:
  • Add support for arrays for the pie property legendrank, so that it can be configured per slice [#7723]
  • Add hoversort layout attribute to sort unified hover label items by value [#7734]

[6.7.0] - 2026-04-09

Added

• Add facet_row support to px.imshow for creating subplots along an additional dimension [#5445], with thanks to @​FBumann for the contribution!

Fixed

• Update numpy.percentile syntax to stop using deprecated alias [#5483], with thanks to @​Mr-Neutr0n for the contribution!
  • numpy with a version less than 1.22 is no longer supported.
• Handle empty px.histogram by skipping None label in hover template [#5535], with thanks to @​tysoncung for the contribution!

Updated

• Update plotly.js from version 3.4.0 to version 3.5.0. See the plotly.js release notes for more information. [#5565]. Notable changes include:
  • Add hoveranywhere and clickanywhere layout attributes to enable emitting hover and click events anywhere in the plot area, not just over traces [#7707]
  • Add displayNotifier configuration property to set the display of notifier in the top right area of the viewport [#7730]
  • Update USA location lookup for scattergeo and choropleth traces to use both location names and abbreviations [#7731]

[6.6.0] - 2026-03-02

Fixed

• Remove unneeded type="text/javascript" attribute from <style> tag [#5454], with thanks to @​hannob for the contribution!
• Remove global warning format side effect [#5481], with thanks to @​emmanuel-ferdman for the contribution!
• Fix spurious engine deprecation warning in write_image [#5517], with thanks to @​mosh3eb for the contribution!

Updated

• Update plotly.js from version 3.3.1 to version 3.4.0. See the plotly.js release notes for more information. [#5527]. Notable changes include:
  • Add support for clicking legend titles to toggle visibility of all traces in legend [#7698]
  • Add support for shapes to reference multiple axes [#7666]
  • Add support for dashed marker lines in scatter plots [#7673]
  • Increase axis autorange when bar charts have outside text labels, to avoid labels being clipped [#7675]

... (truncated)

Commits

• ea4eca8 Address PR feedback
• e57adbd Fix broken example
• b8c2bf4 Update Jupyter Lab extension files
• 2de1059 Update docs for release
• f94e304 Version changes for v6.8.0
• 7f2eb35 Merge pull request #5608 from plotly/cam/update-plotly.js-3.6.0
• f57cf96 Update command to run npm install for updateplotlyjs
• 1f26820 Update lock file
• 8f699a3 chore: Update plotly.js to v3.6.0
• f0755e5 Merge pull request #5605 from plotly/cam/pin-python-frontmatter
• Additional commits viewable in compare view

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[github-actions]

Memory benchmark result

|               Test Name                |      %Δ      |    Master (MB)     |      PR (MB)       |    Δ (MB)    |    Time PR (s)     |  Time Master (s)   |
| -------------------------------------- | ------------ | ------------------ | ------------------ | ------------ | ------------------ | ------------------ |
  test_objective_jac_w7x                 |    4.50 %    |     3.935e+03      |     4.112e+03      |    177.15    |       33.04        |       28.54        |
  test_proximal_jac_w7x_with_eq_update   |    0.08 %    |     6.546e+03      |     6.551e+03      |     5.43     |       152.56       |       149.00       |
  test_proximal_freeb_jac                |   -0.10 %    |     1.334e+04      |     1.333e+04      |    -13.00    |       80.72        |       76.58        |
  test_proximal_freeb_jac_blocked        |    1.21 %    |     7.650e+03      |     7.742e+03      |    92.36     |       68.78        |       66.96        |
  test_proximal_freeb_jac_batched        |   -0.69 %    |     7.647e+03      |     7.594e+03      |    -52.67    |       68.48        |       67.27        |
  test_proximal_jac_ripple               |   -3.01 %    |     3.568e+03      |     3.460e+03      |   -107.30    |       53.03        |       52.53        |
  test_proximal_jac_ripple_bounce1d      |    2.57 %    |     3.734e+03      |     3.830e+03      |    96.14     |       67.02        |       66.61        |
  test_eq_solve                          |   -2.10 %    |     2.050e+03      |     2.007e+03      |    -43.09    |       85.92        |       84.90        |

For the memory plots, go to the summary of Memory Benchmarks workflow and download the artifact.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.33%. Comparing base (1c7178d) to head (09bce31).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2236   +/-   ##
=======================================
  Coverage   94.33%   94.33%           
=======================================
  Files         101      101           
  Lines       28855    28855           
=======================================
  Hits        27220    27220           
  Misses       1635     1635           

see 3 files with indirect coverage changes

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