diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e064c197..067dc566 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,28 +28,32 @@ jobs:
         sbt -v scalafmtSbtCheck scalafmtCheckAll scripted makeSite
 
     - name: Pandoc English
+      if: ${{ github.event_name == 'push' && github.repository == 'sbt/website' && github.ref == 'refs/heads/1.x' }}
       uses: eed3si9n/pandoc@master
       with:
         args: '--pdf-engine=xelatex --toc -s -o target/pamflet/sbt-reference.pdf target/pamflet/Combined+Pages+Pdf.md'
 
     - name: Pandoc Japanese
+      if: ${{ github.event_name == 'push' && github.repository == 'sbt/website' && github.ref == 'refs/heads/1.x' }}
       uses: eed3si9n/pandoc@master
       with:
         args: '--pdf-engine=xelatex -V CJKmainfont="Noto Sans JP" --toc -s -o target/pamflet/ja/sbt-reference.pdf target/pamflet/ja/Combined+Pages+Pdf.md'
 
     - name: Pandoc Chinese
+      if: ${{ github.event_name == 'push' && github.repository == 'sbt/website' && github.ref == 'refs/heads/1.x' }}
       uses: eed3si9n/pandoc@master
       with:
         args: '--pdf-engine=xelatex -V CJKmainfont="Noto Sans SC" --toc -s -o target/pamflet/zh-cn/sbt-reference.pdf target/pamflet/zh-cn/Combined+Pages+Pdf.md'
 
     - name: Pandoc Spanish
+      if: ${{ github.event_name == 'push' && github.repository == 'sbt/website' && github.ref == 'refs/heads/1.x' }}
       uses: eed3si9n/pandoc@master
       with:
         args: '--pdf-engine=xelatex --toc -s -o target/pamflet/es/sbt-reference.pdf target/pamflet/es/Combined+Pages+Pdf.md'
 
     # https://docs.github.com/en/free-pro-team@latest/actions/reference/encrypted-secrets
     - name: Deploy to GH Pages
-      if: ${{ github.event_name == 'push' && github.repository == 'sbt/website' && (github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/1.x-beta') }}
+      if: ${{ github.event_name == 'push' && github.repository == 'sbt/website' && (github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/1.x' || github.ref == 'refs/heads/1.x-beta') }}
       run: .github/publish-site.sh
       env:
         DEPLOY_KEY_PASSPHRASE: ${{ secrets.DEPLOY_KEY_PASSPHRASE }}
diff --git a/build.sbt b/build.sbt
index c68e5a62..b8061e5b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -10,7 +10,7 @@ ThisBuild / scalafmtOnCompile := true
 
 lazy val root = (project in file("."))
   .enablePlugins(
-    (if (!isBetaBranch) Seq(DocusaurusSitePlugin) else Seq()) ++
+    (if (isDevelopBranch) Seq(DocusaurusSitePlugin) else Seq()) ++
       Seq(LowTechSnippetPamfletPlugin, ScriptedPlugin): _*
   )
   .settings(
diff --git a/project/Docs.scala b/project/Docs.scala
index fe1e8f71..a59fec13 100644
--- a/project/Docs.scala
+++ b/project/Docs.scala
@@ -21,13 +21,15 @@ object Docs {
   lazy val RedirectTutorial = config("redirect-tutorial")
   lazy val RedirectLanding = config("redirect-landing")
 
-  lazy val isBetaBranch = {
-    val branch = Process("git rev-parse --abbrev-ref HEAD").!!.linesIterator.toList.head
-    val travisBranch = sys.env.get("TRAVIS_BRANCH").getOrElse("")
-    branch == "1.x-beta" || travisBranch == "1.x-beta"
-  }
+  lazy val branch = Process("git rev-parse --abbrev-ref HEAD").!!.linesIterator.toList.head
+  lazy val githubRefName = sys.env.get("GITHUB_REF_NAME").getOrElse("")
+  // check the environment variable first
+  def isBranch(b: String): Boolean = (githubRefName == b || branch == b)
+  def isBetaBranch = isBranch("1.x-beta")
+  def is1xBranch = isBranch("1.x")
+  def isDevelopBranch = isBranch("develop")
 
-  // New documents will live under /1.x/ instead of /x.y.z/.
+  // 1.x documents will live under /1.x/ instead of /x.y.z/.
   // Currently the following files needs to be manually updated:
   // - src/reference/template.properties
   lazy val targetSbtBinaryVersion = {
@@ -318,7 +320,8 @@ object Docs {
     if (apiLink.exists) apiLink.delete
 
     gitRemoveFiles(repo, IO.listFiles(versioned).toList, git, s)
-    if (!isBetaBranch) {
+
+    if (isDevelopBranch) {
       gitRemoveFiles(repo, (repo * "*.html").get.toList, git, s)
       gitRemoveFiles(
         repo,
@@ -338,7 +341,7 @@ object Docs {
     } yield (file, repo / target)
     IO.copy(ms)
 
-    if (isGenerateSiteMap.value && !isBetaBranch) {
+    if (isGenerateSiteMap.value && isDevelopBranch) {
       val (index, siteMaps) =
         SiteMap.generate(
           repo,