plotly
diff --git a/‎.github/workflows/check-js-build.yml‎
Lines changed: 3 additions & 1 deletion b/‎.github/workflows/check-js-build.yml‎
Lines changed: 3 additions & 1 deletion
diff --git a/‎CHANGELOG.md‎
Lines changed: 1 addition & 0 deletions b/‎CHANGELOG.md‎
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diff --git a/‎CONTRIBUTING.md‎
Lines changed: 1 addition & 1 deletion b/‎CONTRIBUTING.md‎
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@@ -49,7 +49,9 @@ jobs:
       run: |
         uv venv
         source .venv/bin/activate
-        uv pip install jupyterlab
+        # Technically, we only need the `jupyter-builder` package, but using the dev_build extra
+        # keeps build behavior consistent across all CI jobs
+        uv sync --extra dev_build
         cd js
         npm ci
         npm run build
 
@@ -6,6 +6,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 - Fix `hex_to_rgb` parsing of 3-digit shorthand hexadecimal colors such as `#FFF` [[#5662](https://github.com/plotly/plotly.py/pull/5662)], with thanks to @genrichez for the contribution!
+- Add `<!doctype html>` to the `to_html()` template to comply with modern web standards [[#5693](https://github.com/plotly/plotly.py/pull/5693)], with thanks to @mishrakushal for the contribution!
 - Fix `mpl_to_plotly` silently dropping matplotlib path collections in data coordinates (such as violin plots, pcolor, event plots, stack plots, fill_between, and stem plots) by rendering them as filled polygons or lines [[#5702](https://github.com/plotly/plotly.py/pull/5702)], with thanks to @robertoffmoura for the contribution!
 
 
 
@@ -251,7 +251,7 @@ Two kinds of Jupyter support are included:
     which allows us to avoid embedding `plotly.js` in the notebook output.
     The JupyterLab extension source code is located at `js/src/mimeExtension.ts`
     and the compiled extension code is located at `plotly/labextension` in the built Python package.
-    The command `jupyter labextension build` (which is one of the steps called by `npm run build`) compiles the extension
+    The command `jupyter-builder build` (which is one of the steps called by `npm run build`) compiles the extension
     and places the build artifacts in `plotly/labextension`. 
 
 2.  **FigureWidget**: