[libadwaita/wip/cdavis/boxed-list-changes: 5/5] doc: Mention that .content and .boxed-list are unsupported for listviews

[Christopher Davis <christopherdavis src gnome org>]

commit e7c7ae58187acc5a4be178493ccd71c6f790c717
Author: Christopher Davis <christopherdavis gnome org>
Date:   Mon Nov 1 02:49:11 2021 -0700

    doc: Mention that .content and .boxed-list are unsupported for listviews

 doc/migrating-between-development-versions.md | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/doc/migrating-between-development-versions.md b/doc/migrating-between-development-versions.md
index 5e5e46fb..2bd7b387 100644
--- a/doc/migrating-between-development-versions.md
+++ b/doc/migrating-between-development-versions.md
@@ -256,3 +256,7 @@ the name of the design pattern. If you were using the `.content` style
 class, you should use `.boxed-list` instead.
 
 The `.content` style class currently remains for compatibility purposes.
+
+Neither the `.content` style class nor the `.boxed-list` style class work
+for [class@Gtk.ListView], as the widget cannot currently be used for the
+boxed list pattern.