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-rw-r--r--docs/changelog/2695.doc.rst1
-rw-r--r--docs/faq.rst3
2 files changed, 4 insertions, 0 deletions
diff --git a/docs/changelog/2695.doc.rst b/docs/changelog/2695.doc.rst
new file mode 100644
index 00000000..3f0b3f1e
--- /dev/null
+++ 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
index 506c595a..b4ae1879 100644
--- 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
+++++++++++++++++++++++++