diff --git a/.github/workflows/release-ga.yml b/.github/workflows/release-ga.yml
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+# full release workflow which does a staging build, github tagging,
+# promotion in artifactory and release into central.
+name: Release GA
+
+on:
+  workflow_dispatch:
+
+# there's 3 jobs, staging, promote and central.
+# promote waits staging and manual approval and
+# central waits promote and manual approval.
+jobs:
+
+  # build and release to staging repo.
+  # stash artifactory build id so that promote and central
+  # jobs can work on it.
+  staging:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - uses: jfrog/setup-jfrog-cli@v1
+      with:
+        version: 1.50.0
+      env:
+        JF_ARTIFACTORY_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
+    # prepare env for cli to get a staging build working
+    - name: Configure JFrog Cli
+      run: |
+        jfrog rt gradlec \
+          --use-wrapper \
+          --deploy-ivy-desc=false \
+          --server-id-resolve=repo.spring.io \
+          --server-id-deploy=repo.spring.io \
+          --repo-resolve=libs-release \
+          --repo-deploy=libs-staging-local
+        echo JFROG_CLI_BUILD_NAME=spring-statemachine-22x-release >> $GITHUB_ENV
+        echo JFROG_CLI_BUILD_NUMBER=$GITHUB_RUN_NUMBER >> $GITHUB_ENV
+    # switch from snapshot to a release version and extract project
+    # version to get used with tagging
+    - name: Configure Release Version
+      run: |
+        jfrog rt gradle releaseVersion
+        echo PROJECT_VERSION=$(jfrog rt gradle "properties -q" | grep "version:" | awk '{print $2}') >> $GITHUB_ENV
+    # build and publish to staging repo.
+    # we've allready tested with snapshots so no need to test
+    # with a release build as we are not a release train.
+    - name: Build and Publish
+      run: |
+        jfrog rt gradle clean build artifactoryPublish
+        jfrog rt build-publish
+    # we've now done a release build, branch and tag it in github
+    - name: Tag Release
+      uses: jvalkeal/build-zoo-handler@v0.0.4
+      with:
+        tag-release-branch: ${{ env.PROJECT_VERSION }}
+        tag-release-tag: ${{ env.PROJECT_VERSION }}
+        tag-release-tag-prefix: v
+
+  # wait manual approval.
+  # promote build from staging to releases
+  promote:
+    runs-on: ubuntu-latest
+    needs: staging
+    environment: promote
+    steps:
+    # need repo to push release branch and a tag
+    - uses: actions/checkout@v2
+    - uses: jfrog/setup-jfrog-cli@v1
+      with:
+        version: 1.50.0
+      env:
+        JF_ARTIFACTORY_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
+    # prepare env for cli to promote
+    - name: Configure JFrog Cli
+      run: |
+        jfrog rt gradlec \
+          --use-wrapper \
+          --deploy-ivy-desc=false \
+          --server-id-resolve=repo.spring.io \
+          --server-id-deploy=repo.spring.io \
+          --repo-resolve=libs-release \
+          --repo-deploy=libs-staging-local
+        echo JFROG_CLI_BUILD_NAME=spring-statemachine-22x-release >> $GITHUB_ENV
+        echo JFROG_CLI_BUILD_NUMBER=$GITHUB_RUN_NUMBER >> $GITHUB_ENV
+    # promoting build from staging repo into release
+    - name: Promote Build
+      run: |
+        jfrog rt build-promote libs-release-local
+    # we've promoted so change repo to next dev version
+    - name: Switch to Next Dev Version
+      run: |
+        jfrog rt gradle nextVersion
+    - uses: jvalkeal/build-zoo-handler@v0.0.4
+      with:
+        commit-changes-branch: 2.2.x
+        commit-changes-message: Next development version
+
+  # wait manual approval.
+  # pull released artifacts from repo and do a dance with central sync where we
+  # create checksum and signature files, create staging repo and upload
+  # files into it, and then finally close and release that repo.
+  central:
+    runs-on: ubuntu-latest
+    needs: promote
+    environment: central
+    steps:
+    # need repo for spec file
+    - uses: actions/checkout@v2
+    - uses: jfrog/setup-jfrog-cli@v1
+      with:
+        version: 1.50.0
+      env:
+        JF_ARTIFACTORY_SPRING: ${{ secrets.JF_ARTIFACTORY_SPRING }}
+    # prepare env for cli do download released files
+    - name: Configure JFrog Cli
+      run: |
+        echo JFROG_CLI_BUILD_NAME=spring-statemachine-22x-release >> $GITHUB_ENV
+        echo JFROG_CLI_BUILD_NUMBER=$GITHUB_RUN_NUMBER >> $GITHUB_ENV
+    # download released files for a build.
+    # spec file defines files we actually need for central
+    # as release in artifactory contains some test and samples modules
+    # which we don't want in central.
+    - name: Download Release Files
+      run: |
+        jfrog rt download \
+          --spec .github/release-files-spec.json \
+          --spec-vars "buildname=$JFROG_CLI_BUILD_NAME;buildnumber=$JFROG_CLI_BUILD_NUMBER"
+    # last step, sync to central.
+    - uses: jvalkeal/nexus-sync@v0
+      with:
+        url: ${{ secrets.OSSRH_URL }}
+        username: ${{ secrets.OSSRH_S01_TOKEN_USERNAME }}
+        password: ${{ secrets.OSSRH_S01_TOKEN_PASSWORD }}
+        staging-profile-name: ${{ secrets.OSSRH_STAGING_PROFILE_NAME }}
+        create: true
+        upload: true
+        close: true
+        release: true
+        generate-checksums: true
+        pgp-sign: true
+        pgp-sign-passphrase: ${{ secrets.GPG_PASSPHRASE }}
+        pgp-sign-private-key: ${{ secrets.GPG_PRIVATE_KEY_WITH_HEADER }}