diff --git a/Jenkinsfile b/Jenkinsfile
index 5f05615b4b8e..32a7867de025 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -13,8 +13,8 @@ properties([
 ])
 
 def axes = [
-  platforms: ['linux', 'windows'],
-  jdks: [21, 25],
+  platforms: ['windows'],
+  jdks: [25],
 ]
 
 stage('Record build') {
@@ -31,6 +31,7 @@ stage('Record build') {
          */
         // Replace URL encoded characters with '-' because Launchable rejects '%2F' in build name
         def launchableName = env.BUILD_TAG.replaceAll('(%[0-9A-Fa-f]{2})+', '-')
+        sh 'python -m pip --no-cache-dir install launchable=="1.121.2"'
         sh "launchable verify && launchable record build --name ${launchableName} --source jenkinsci/jenkins=."
         axes.values().combinations {
           def (platform, jdk) = it
@@ -67,7 +68,7 @@ axes.values().combinations {
     // see https://github.com/jenkins-infra/documentation/blob/master/ci.adoc#node-labels for information on what node types are available
     def agentContainerLabel = 'maven-' + jdk
     if (platform == 'windows') {
-      agentContainerLabel += '-windows'
+      agentContainerLabel = 'infratest-windows'
     }
     int retryCount = 0
     retry(conditions: [kubernetesAgent(handleNonKubernetes: true), nonresumable()], count: 2) {
@@ -118,9 +119,11 @@ axes.values().combinations {
               withCredentials([string(credentialsId: 'launchable-jenkins-jenkins', variable: 'LAUNCHABLE_TOKEN')]) {
                 if (isUnix()) {
                   excludesFile = "${tmpDir}/excludes.txt"
+                  sh 'python -m pip --no-cache-dir install launchable=="1.121.2"'
                   sh "launchable verify && launchable subset --session ${session} --target ${target} --get-tests-from-previous-sessions --output-exclusion-rules maven >${excludesFile}"
                 } else {
                   excludesFile = "${tmpDir}\\excludes.txt"
+                  bat 'python -m pip --no-cache-dir install launchable=="1.121.2"'
                   bat "launchable verify && launchable subset --session ${session} --target ${target}% --get-tests-from-previous-sessions --output-exclusion-rules maven >${excludesFile}"
                 }
               }
@@ -216,40 +219,40 @@ axes.values().combinations {
   }
 }
 
-def athAxes = [
-  platforms: ['linux'],
-  jdks: [21],
-  browsers: ['firefox'],
-]
-athAxes.values().combinations {
-  def (platform, jdk, browser) = it
-  builds["ath-${platform}-jdk${jdk}-${browser}"] = {
-    retry(conditions: [agent(), nonresumable()], count: 2) {
-      node('docker-highmem') {
-        // Just to be safe
-        deleteDir()
-        checkout scm
+// def athAxes = [
+//   platforms: ['linux'],
+//   jdks: [21],
+//   browsers: ['firefox'],
+// ]
+// athAxes.values().combinations {
+//   def (platform, jdk, browser) = it
+//   builds["ath-${platform}-jdk${jdk}-${browser}"] = {
+//     retry(conditions: [agent(), nonresumable()], count: 2) {
+//       node('docker-highmem') {
+//         // Just to be safe
+//         deleteDir()
+//         checkout scm
 
-        withChecks(name: 'Tests', includeStage: true) {
-          infra.withArtifactCachingProxy {
-            sh "bash ath.sh ${jdk} ${browser}"
-          }
-          junit testResults: 'target/ath-reports/TEST-*.xml', testDataPublishers: [[$class: 'AttachmentPublisher']]
-        }
-        /*
-         * Currently disabled, as the fact that this is a manually created subset will confuse Launchable,
-         * which expects this to be a full build. When we implement subsetting, this can be re-enabled using
-         * Launchable's subset rather than our own.
-         */
-        /*
-         withCredentials([string(credentialsId: 'launchable-jenkins-acceptance-test-harness', variable: 'LAUNCHABLE_TOKEN')]) {
-         sh "launchable verify && launchable record tests --no-build --flavor platform=${platform} --flavor jdk=${jdk} --flavor browser=${browser} maven './target/ath-reports'"
-         }
-         */
-      }
-    }
-  }
-}
+//         withChecks(name: 'Tests', includeStage: true) {
+//           infra.withArtifactCachingProxy {
+//             sh "bash ath.sh ${jdk} ${browser}"
+//           }
+//           junit testResults: 'target/ath-reports/TEST-*.xml', testDataPublishers: [[$class: 'AttachmentPublisher']]
+//         }
+//         /*
+//          * Currently disabled, as the fact that this is a manually created subset will confuse Launchable,
+//          * which expects this to be a full build. When we implement subsetting, this can be re-enabled using
+//          * Launchable's subset rather than our own.
+//          */
+//         /*
+//          withCredentials([string(credentialsId: 'launchable-jenkins-acceptance-test-harness', variable: 'LAUNCHABLE_TOKEN')]) {
+//          sh "launchable verify && launchable record tests --no-build --flavor platform=${platform} --flavor jdk=${jdk} --flavor browser=${browser} maven './target/ath-reports'"
+//          }
+//          */
+//       }
+//     }
+//   }
+// }
 
 builds.failFast = failFast
 parallel builds