diff --git a/netlify.toml b/netlify.toml
index 7b5d7e71f..e322518ab 100644
--- a/netlify.toml
+++ b/netlify.toml
@@ -14,6 +14,8 @@
 
 [context.deploy-preview]
   NODE_ENV = "Deploy"
+  command = "./pr-preview.sh"
 
 [context.branch-deploy.environment]
-  NODE_ENV = "development"
\ No newline at end of file
+  NODE_ENV = "development"
+  command = "./pr-preview.sh"
\ No newline at end of file
diff --git a/pr-preview.sh b/pr-preview.sh
new file mode 100755
index 000000000..6dffe44ab
--- /dev/null
+++ b/pr-preview.sh
@@ -0,0 +1,46 @@
+# change specStatus value to include relative paths
+echo "Updating specStatus to unofficial"
+find . -name "index.html" -exec sed -i 's/specStatus:[[:space:]]*"ED"/specStatus: "unofficial"/g' {} +
+
+# update spec URLs mappings for ARIA
+echo "updating ARIA mappings"
+find . -wholename "./index.html" -exec sed -i 's/ariaSpecURLs: {/ariaSpecURLs: {\n          "unofficial": "\/",/g' {} +
+find . -wholename "./index.html" -exec sed -i 's/accNameURLs: {/accNameURLs: {\n          "unofficial": ".\/accname\/",/g' {} +
+find . -wholename "./index.html" -exec sed -i 's/coreMappingURLs: {/coreMappingURLs: {\n          "unofficial": ".\/core-aam\/",/g' {} +
+
+# update child specs URLs mapping
+echo "updating child spec URL mappings"
+# aria
+find . -mindepth 1 -name "index.html" -exec sed -i 's/ariaSpecURLs: {/ariaSpecURLs: {\n          "unofficial": "..\/",/g' {} +
+# accname
+find . -mindepth 1 -name "index.html" -exec sed -i 's/accNameURLs: {/accNameURLs: {\n          "unofficial": "..\/accname\/",/g' {} +
+# core-aam
+find . -mindepth 1 -name "index.html" -exec sed -i 's/coreMappingURLs: {/coreMappingURLs: {\n          "unofficial": "..\/core-aam\/",/g' {} +
+# dpub
+find . -mindepth 1 -name "index.html" -exec sed -i 's/dpubModURLs: {/dpubModURLs: {\n          "unofficial": "..\/dpub-aria\/",/g' {} +
+# graphicsMappingModURLs
+find . -mindepth 1 -name "index.html" -exec sed -i 's/graphicsMappingModURLs: {/graphicsMappingModURLs: {\n          "unofficial": "..\/graphics-aam\/",/g' {} +
+# graphicsModURLs
+find . -mindepth 1 -name "index.html" -exec sed -i 's/graphicsModURLs: {/graphicsModURLs: {\n          "unofficial": "..\/graphics-aria\/",/g' {} +
+# htmlMappingURLs
+find . -mindepth 1 -name "index.html" -exec sed -i 's/htmlMappingURLs: {/htmlMappingURLs: {\n          "unofficial": "..\/html-aam\/",/g' {} +
+# build all specs
+echo "building specs"
+
+commands=(
+  "npx respec -s index.html -o index.html --localhost"
+  "npx respec -s accname/index.html -o accname/index.html --localhost"
+  "npx respec -s core-aam/index.html -o core-aam/index.html --localhost"
+  "npx respec -s dpub-aam/index.html -o dpub-aam/index.html --localhost"
+  "npx respec -s dpub-aria/index.html -o dpub-aria/index.html --localhost"
+  "npx respec -s graphics-aam/index.html -o graphics-aam/index.html --localhost"
+  "npx respec -s graphics-aria/index.html -o graphics-aria/index.html --localhost"
+  "npx respec -s svg-aam/index.html -o svg-aam/index.html --localhost"
+  "npx respec -s mathml-aam/index.html -o mathml-aam/index.html --localhost"
+)
+for cmd in "${commands[@]}"; do
+  echo "Executing: $cmd"
+  if ! $cmd; then
+    echo "Error: Command failed - $cmd"
+  fi
+done