diff --git a/doc/contributor-guide/source/doc-tools/template-generator.rst b/doc/contributor-guide/source/doc-tools/template-generator.rst
index a75dde1f96..d8fe87265b 100644
--- a/doc/contributor-guide/source/doc-tools/template-generator.rst
+++ b/doc/contributor-guide/source/doc-tools/template-generator.rst
@@ -142,6 +142,10 @@ include a link to that documentation on the templated landing pages.
 ``has_admin_guide``
     produces a link to docs.o.o/name/latest/admin/
 
+``has_in_tree_htaccess``
+    enables full redirects to old paths, not just to the top of
+    /name/latest/
+
 .. note::
 
    The documentation associated with the flags must exist before the
diff --git a/www/.htaccess b/www/.htaccess
index b981defb59..3c408fc1e6 100644
--- a/www/.htaccess
+++ b/www/.htaccess
@@ -60,9 +60,17 @@ redirectmatch 301 "^/project-install-guide/ocata/(.*)$" /ocata/install/$1
 # Redirecting infra docs links to new developer location
 redirectmatch 301 "^/infra/shade(.*)$" /developer/shade$1
 
-# Redirecting old project developer docs to the new project home pages
-# while leaving the index / project list page as it is.
-redirectmatch 301 "^/developer/([^/]+)/.*$" /$1/latest/
+# Redirecting old project developer docs to the new layout. If a
+# project has an in-tree .htaccess file, assume it can handle the full
+# path in the redirect. Otherwise, redirect everything to the new
+# latest index.html.
+{% for project in projects|sort(attribute='name') -%}
+{%- if project.has_in_tree_htaccess %}
+redirectmatch 301 "^/developer/{{project.name}}/(.*)$" /{{project.name}}/latest/$1
+{%- else %}
+redirectmatch 301 "^/developer/{{project.name}}/.*$" /{{project.name}}/latest/
+{%- endif %}
+{%- endfor %}
 
 # Redirect old cli-reference to the OSC latest docs
 redirectmatch 301 "^/cli-reference/.*$" /python-openstackclient/latest/
diff --git a/www/project-data/schema.yaml b/www/project-data/schema.yaml
index c7a599a772..b37a7f9f03 100644
--- a/www/project-data/schema.yaml
+++ b/www/project-data/schema.yaml
@@ -41,3 +41,5 @@ items:
       type: boolean
     has_user_guide:
       type: boolean
+    has_in_tree_htaccess:
+      type: boolean