Merge branch 'main' into autocolorscale

Author: antonymilne

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,35 @@
+---
+name: Bug report
+about: Create a bug report for a plotly.py issue
+title: "[BUG]: "
+labels: bug
+
+---
+
+### Instructions (remove this section before submitting report)
+
+Thanks for your interest in plotly.py!
+
+- Before submitting a new bug report, please search for existing and closed issues. If your bug is not addressed yet, fill out the sections below and submit a new issue.
+- Implementation questions ("How do I do ...?") should be asked on our [Community Forum](https://community.plotly.com/c/plotly-python/5) or on [Stack Overflow](https://stackoverflow.com/questions/tagged/plotly) (tagged 'plotly').
+- Comments should add content to the discussions. Approbation comments such as *+1* or *I would like this feature to be implemented as well* will be deleted by the maintainers. Please use [GitHub reactions](https://github.com/blog/2119-add-reactions-to-pull-requests-issues-and-comments) instead.
+
+### Description
+
+_Add a clear description of the issue that you're having._
+
+### Screenshots/Video
+
+_Add screenshots or a video of the issue._
+
+### Steps to reproduce
+
+_Reports **must** include steps to reproduce the issue. Please use the [latest version](https://github.com/plotly/plotly.py/releases) of plotly.py in your report unless not applicable._
+
+- Go to '...'
+- Click on X
+- Note the issue with Y
+
+### Notes
+
+_Add info here that doesn't fit in the other sections._

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,31 @@
+---
+name: Feature request
+about: Submit a new feature request for plotly.py
+title: "[FEATURE]: "
+labels: feature
+
+---
+
+### Instructions (remove this section before submitting an issue)
+
+Thanks for your interest in plotly.py!
+
+- Before submitting a new feature request, please search for existing and closed requests. If your request is novel, fill out the sections below and submit a new request.
+- Comments should add content to the discussions. Approbation comments such as *+1* or *I would like this feature to be implemented as well* will be deleted by the maintainers. Please use [GitHub reactions](https://github.com/blog/2119-add-reactions-to-pull-requests-issues-and-comments) instead.
+
+### Description
+
+_Add a clear description of the feature that you're requesting._
+
+
+### Why should this feature be added?
+
+_Provide an argument for why this feature should be added. We can't add everything, so this will help us determine what gets worked on. Please also consider creating a PR and adding the feature yourself. Help is always appreciated._
+
+### Mocks/Designs
+
+_Please add any mocks or designs you might have for the feature._
+
+### Notes
+
+_Add info here that doesn't fit in the other sections._

.github/ISSUE_TEMPLATE/feature_request.md

@@ -7,8 +7,15 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ### Fixed
 - Fix issue where user-specified `color_continuous_scale` was ignored when template had `autocolorscale=True` [[#5439](https://github.com/plotly/plotly.py/pull/5439)]
 
+## [6.5.1] - 2026-01-07
+
+### Fixed
+- Fix issue where Plotly Express ignored trace-specific color sequences defined in templates via `template.data.<trace_type>` [[#5437](https://github.com/plotly/plotly.py/pull/5437)], with thanks to @antonymilne for the contribution!
+
 ### Updated
 - Speed up `validate_gantt` function [[#5386](https://github.com/plotly/plotly.py/pull/5386)], with thanks to @misrasaurabh1 for the contribution!
+- Update plotly.js from version 3.3.0 to version 3.3.1. See the plotly.js [release notes](https://github.com/plotly/plotly.js/releases/tag/v3.3.1) for more information. [[#5456](https://github.com/plotly/plotly.py/pull/5456)]. Notable changes include:
+  - Add support for arrays for the pie properties `showlegend` and `legend`, so that these can be configured per slice. [[#7580](https://github.com/plotly/plotly.js/pull/7580)]
 
 ## [6.5.0] - 2025-11-17
 

CHANGELOG.md

@@ -9,7 +9,7 @@ authors:
 - family-names: "Parmer"
   given-names: "Chris"
 title: "An interactive, open-source, and browser-based graphing library for Python"
-version: 6.5.0
+version: 6.5.1
 doi: 10.5281/zenodo.14503524
 date-released: 2025-11-17
 url: "https://github.com/plotly/plotly.py"

CITATION.cff

@@ -137,7 +137,7 @@ npm run build
 These commands also create an *editable install* of plotly.py
 so that you can test your changes iteratively without having to rebuild the plotly.py package explicitly;
 for more information please see
-[the `pip` documentation on editable installs](https://pip.pypa.io/en/stable/reference/pip_install/#install-editable)
+[the `pip` documentation on editable installs](https://pip.pypa.io/en/stable/topics/local-project-installs/#editable-installs)
 Please note that the single quotes are needed to escape the `[]` characters.
 
 ### Formatting

CONTRIBUTING.md

@@ -15,7 +15,7 @@ def _swatches(module_names, module_contents, template=None):
     from plotly.express._core import apply_default_cascade
 
     args = dict(template=template)
-    apply_default_cascade(args)
+    apply_default_cascade(args, constructor=None)
 
     sequences = [
         (k, v)
@@ -66,7 +66,7 @@ def _swatches_continuous(module_names, module_contents, template=None):
     from plotly.express._core import apply_default_cascade
 
     args = dict(template=template)
-    apply_default_cascade(args)
+    apply_default_cascade(args, constructor=None)
 
     sequences = [
         (k, v)
@@ -122,7 +122,7 @@ def _swatches_cyclical(module_names, module_contents, template=None):
     from plotly.express._core import apply_default_cascade
 
     args = dict(template=template)
-    apply_default_cascade(args)
+    apply_default_cascade(args, constructor=None)
 
     rows = 2
     cols = 4