issue 2695/tox4 install command breaking change docs (#2806)

gaborbernat · jayaddison · web-flow · commit d202833481f8 · 2023-01-02T11:38:28.000-08:00
Co-authored-by: James Addison &lt;james@reciperadar.com&gt;
diff --git a/docs/changelog/2695.doc.rst b/docs/changelog/2695.doc.rst
@@ -0,0 +1 @@
+Add breaking-change documentation for empty ``install_command`` values - by :user:`jayaddison`.
diff --git a/docs/faq.rst b/docs/faq.rst
@@ -48,6 +48,9 @@ tox 4 - changed INI rules
   this worked in tox 3, it was never supported officially. Additionally, in the context of a new virtual environment
   this flag makes no sense anyway.
 
+- tox 4 requires the ``install_command`` to evaluate to a non-empty value for each target environment.  In tox 3, an
+  empty value would be substituted for the default install command.
+
 tox 4 - known regressions
 +++++++++++++++++++++++++
 

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+Add breaking-change documentation for empty ``install_command`` values - by :user:`jayaddison`.