diff --git a/.jenkins/scripts/release/release-3.1-perform-studio.sh b/.jenkins/scripts/release/release-3.1-perform-studio.sh
index da5bdbeada733..84a0a8775b152 100644
--- a/.jenkins/scripts/release/release-3.1-perform-studio.sh
+++ b/.jenkins/scripts/release/release-3.1-perform-studio.sh
@@ -34,6 +34,16 @@ main() {
   # set the release version in the pom.xml
   mvn versions:set -DnewVersion="${releaseVersion}"
 
+  # Extra copy to GitHub Packages (Nexus replacement, QTDI-3640), non-blocking
+  mvn clean deploy \
+    --file "component-studio/pom.xml" \
+    --define arguments="-DskipTests -DskipITs -Dcheckstyle.skip -Denforcer.skip=true -Drat.skip" \
+    --define altDeploymentRepository=github_package_releases::default::https://maven.pkg.github.com/Talend/global-artifacts \
+    --fail-at-end \
+    --settings .jenkins/settings.xml \
+    --activate-profiles ${release_profiles} \
+    "${extraBuildParams[@]}" || echo "WARN: GitHub Packages deploy failed (non-blocking)"
+
   mvn clean deploy \
     --file "component-studio/pom.xml" \
     --define arguments="-DskipTests -DskipITs -Dcheckstyle.skip -Denforcer.skip=true -Drat.skip" \
diff --git a/.jenkins/settings.xml b/.jenkins/settings.xml
index b1144552d2cfc..35e0b0179c350 100644
--- a/.jenkins/settings.xml
+++ b/.jenkins/settings.xml
@@ -56,6 +56,16 @@
         <timeout>30000</timeout>
       </configuration>
     </server>
+    <server>
+      <id>github_package_snapshots</id>
+      <username>${env.GITHUB_PACKAGES_LOGIN}</username>
+      <password>${env.GITHUB_PACKAGES_TOKEN}</password>
+    </server>
+    <server>
+      <id>github_package_releases</id>
+      <username>${env.GITHUB_PACKAGES_LOGIN}</username>
+      <password>${env.GITHUB_PACKAGES_TOKEN}</password>
+    </server>
     <server>
       <id>talend.snapshots</id>
       <username>${env.NEXUS_USER}</username>
diff --git a/Jenkinsfile b/Jenkinsfile
index edec2e2e469ea..2acc42e2ea2d8 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -37,6 +37,10 @@ final def gitCredentials = usernamePassword(
     credentialsId: 'github-credentials',
     usernameVariable: 'GITHUB_LOGIN',
     passwordVariable: 'GITHUB_TOKEN')
+final def githubPackagesCredentials = usernamePassword(
+    credentialsId: 'github-packages-ci-runner-connectors-pat',
+    usernameVariable: 'GITHUB_PACKAGES_LOGIN',
+    passwordVariable: 'GITHUB_PACKAGES_TOKEN')
 final def dockerCredentials = usernamePassword(
     credentialsId: 'artifactory-datapwn-credentials',
     usernameVariable: 'DOCKER_USER',
@@ -154,6 +158,12 @@ pipeline {
             Force MAVEN deploy stage for development branches. No effect on master and maintenance.
             INFO: master/maintenance branch deploys artefacts on <oss.sonatype.org>
                   dev branches deploy artefacts on <artifacts-zl.talend.com>''')
+    booleanParam(
+        name: 'GITHUB_PACKAGES_DEV_DEPLOY',
+        defaultValue: false,
+        description: '''
+            Also publish the qualified snapshot of a development branch to GitHub Packages (Nexus replacement).
+            Needs MAVEN_DEPLOY. No effect on master and maintenance, which are always published.''')
     booleanParam(
         name: 'DOCKER_PUSH',
         defaultValue: false,
@@ -471,6 +481,30 @@ pipeline {
         }
       }
     }
+    stage('Maven deploy - GitHub Packages') {
+      // Temporary extra copy of what goes to Nexus (Nexus license ends Nov 2026, QTDI-3640).
+      // Sonatype-only deploys are not concerned. Non-blocking: failures only make the build UNSTABLE.
+      when {
+        expression { stdBranch_buildOnly || (devBranch_mavenDeploy && needQualify && params.GITHUB_PACKAGES_DEV_DEPLOY) }
+      }
+      steps {
+        script {
+          catchError(buildResult: 'SUCCESS', stageResult: 'UNSTABLE') {
+            withCredentials([githubPackagesCredentials]) {
+              sh """\
+                #!/usr/bin/env bash
+                set -xe
+                mvn deploy ${nexusDeployOptions} \
+                            --fail-at-end \
+                            -DaltDeploymentRepository=github_package_snapshots::default::https://maven.pkg.github.com/Talend/global-artifacts \
+                            ${extraBuildParams} \
+                            --settings .jenkins/settings.xml
+                """.stripIndent()
+            }
+          }
+        }
+      }
+    }
     stage('Maven deploy - Nexus') {
       // Deploy to internal Nexus first on master/maintenance builds so that
       // connectors-se Jenkins agents (which cannot reach central.sonatype.com)
diff --git a/ci/Jenkinsfile-release b/ci/Jenkinsfile-release
index 32e17721deb40..c87f2dbd5c59e 100644
--- a/ci/Jenkinsfile-release
+++ b/ci/Jenkinsfile-release
@@ -23,6 +23,10 @@ final def nexusCredentials = usernamePassword(
     credentialsId: 'nexus-artifact-zl-credentials',
     usernameVariable: 'NEXUS_USER',
     passwordVariable: 'NEXUS_PASS')
+final def githubPackagesCredentials = usernamePassword(
+    credentialsId: 'github-packages-ci-runner-connectors-pat',
+    usernameVariable: 'GITHUB_PACKAGES_LOGIN',
+    passwordVariable: 'GITHUB_PACKAGES_TOKEN')
 final def jetbrainsCredentials = usernamePassword(
     credentialsId: 'jetbrains-credentials',
     usernameVariable: 'JETBRAINS_USER',
@@ -468,6 +472,7 @@ pipeline {
       }
       steps {
         withCredentials([nexusCredentials,
+                         githubPackagesCredentials,
                          ossrhCredentials,
                          jiraCredentials,
                          gpgCredentials]) {