remove 'latest' CDN URLs

CHANGELOG.md

@@ -3,14 +3,13 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
 
-## [4.14.3] - 2021-01-12
+## UNRELEASED
 
-### Fixed
-- Plotly.js cdn url will now be versioned by default for: 
-  `include_plotlyjs='cdn'` a new `include_plotlyjs='cdn-latest'` option 
-  has the original behaviour. Prevents likelihood of htmls generated with older 
-  `plotly.js` versions breaking with version bumps. 
-  [2961](https://github.com/plotly/plotly.py/pull/2961)
+### Changed
+
+- Plotly.js CDN url will now be versioned by default for HTML exports using `include_plotlyjs='cdn'` and for "connected" renderers.
+
+## [4.14.3] - 2021-01-12
 
 - `px.timeline()` now allows `hover_data` formatting of start and end times [3018](https://github.com/plotly/plotly.py/pull/3018)
 - Small change to packaging of `plotlywidget` extension for JupyterLab 3 [3021](https://github.com/plotly/plotly.py/pull/3021)

packages/python/plotly/plotly/io/_html.py

@@ -66,12 +66,6 @@ def to_html(
         generated with include_plotlyjs=True, but they require an active
         internet connection in order to load the plotly.js library.
 
-        If 'cdn-latest', a script tag that always references the latest plotly.js
-        CDN is included in the output.
-        HTML files generated with this option are about 3MB smaller than those
-        generated with include_plotlyjs=True, but they require an active
-        internet connection in order to load the plotly.js library.
-
         If 'directory', a script tag is included that references an external
         plotly.min.js bundle that is assumed to reside in the same
         directory as the HTML file.
@@ -272,15 +266,12 @@ def to_html(
         require_start = 'require(["plotly"], function(Plotly) {'
         require_end = "});"
 
-    elif include_plotlyjs == "cdn" or include_plotlyjs == "cdn-latest":
-        cdn_url = plotly_cdn_url()
-        if include_plotlyjs == "cdn-latest":
-            cdn_url = plotly_cdn_url(cdn_ver="latest")
+    elif include_plotlyjs == "cdn":
         load_plotlyjs = """\
         {win_config}
         <script src="{cdn_url}"></script>\
     """.format(
-            win_config=_window_plotly_config, cdn_url=cdn_url
+            win_config=_window_plotly_config, cdn_url=plotly_cdn_url()
         )
 
     elif include_plotlyjs == "directory":
@@ -431,12 +422,6 @@ def write_html(
         generated with include_plotlyjs=True, but they require an active
         internet connection in order to load the plotly.js library.
 
-        If 'cdn-latest', a script tag that always references the latest plotly.js
-        CDN is included in the output.
-        HTML files generated with this option are about 3MB smaller than those
-        generated with include_plotlyjs=True, but they require an active
-        internet connection in order to load the plotly.js library.
-
         If 'directory', a script tag is included that references an external
         plotly.min.js bundle that is assumed to reside in the same
         directory as the HTML file.  If `file` is a string to a local file

packages/python/plotly/plotly/tests/test_io/test_html.py

@@ -34,19 +34,7 @@ def fig1(request):
 
 # HTML
 # ----
-def assert_latest_cdn_connected(html):
-    assert plotly_cdn_url(cdn_ver="latest") in html
-
-
-def assert_locked_version_cdn_connected(html):
-    assert plotly_cdn_url() in html
-
-
-def test_latest_cdn_included(fig1):
-    html_str = pio.to_html(fig1, include_plotlyjs="cdn-latest")
-    assert_latest_cdn_connected(html_str)
 
 
 def test_versioned_cdn_included(fig1):
-    html_str = pio.to_html(fig1, include_plotlyjs="cdn")
-    assert_locked_version_cdn_connected(html_str)
+    assert plotly_cdn_url() in pio.to_html(fig1, include_plotlyjs="cdn")