diff --git a/.github/workflows/controller.yml b/.github/workflows/controller.yml
index 6f65dd266..dd3570385 100644
--- a/.github/workflows/controller.yml
+++ b/.github/workflows/controller.yml
@@ -46,7 +46,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
-        format: [html, pdf]
+        format: [html, pdf, epub]  # added epub
     uses: ./.github/workflows/quarto-build.yml
     with:
       environment: development
@@ -64,7 +64,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        format: [html, pdf]
+        os: [ubuntu-latest, windows-latest]
+        format: [html, pdf, epub]  # added epub
     uses: ./.github/workflows/quarto-build.yml
     with:
       environment: production
@@ -77,6 +78,7 @@ jobs:
 
   report-status:
     name: 📊 Final Status Report
+    if: always()
     needs: [
       structure-check, 
       link-check,