diff --git a/.github/workflows/build_publish_api.yml b/.github/workflows/build_publish_api.yml
index 00719c0..b411516 100644
--- a/.github/workflows/build_publish_api.yml
+++ b/.github/workflows/build_publish_api.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       wheel: ${{ steps.wheel.outputs.wheel }}
-      api_version: ${{ steps.version.outputs.api_version }}
+      version: ${{ steps.version.outputs.version }}
     steps:
       - name: Check out the repo
         uses: actions/checkout@v4
@@ -71,15 +71,15 @@ jobs:
 
       - name: Output version
         id: version
-        run: echo "api_version=$(task api:poetry:version-short)" >> $GITHUB_OUTPUT
+        run: echo "version=$(task api:poetry:version-short)" >> $GITHUB_OUTPUT
 
       - name: Output wheel
         id: wheel
-        run: echo "wheel=ecoindex_api-${{ steps.version.outputs.api_version }}-py3-none-any.whl" >> $GITHUB_OUTPUT
+        run: echo "wheel=ecoindex_api-${{ steps.version.outputs.version }}-py3-none-any.whl" >> $GITHUB_OUTPUT
 
       - name: Output summary
         run: |
-          echo "API version ${{ steps.version.outputs.api_version }}" >> $GITHUB_STEP_SUMMARY
+          echo "API version ${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
           echo "Wheel ${{ steps.wheel.outputs.wheel }}" >> $GITHUB_STEP_SUMMARY
 
   backend_image:
@@ -120,7 +120,7 @@ jobs:
           context: projects/ecoindex_api
           platforms: linux/amd64,linux/arm64
           push: true
-          tags: ${{ steps.meta.outputs.tags }},vvatelot/ecoindex-api-backend:${{ needs.python_project.outputs.api_version }},${{ !env.PRERELEASE && 'vvatelot/ecoindex-api-backend:latest' || '' }}
+          tags: ${{ steps.meta.outputs.tags }},vvatelot/ecoindex-api-backend:${{ needs.python_project.outputs.version }},${{ !contains(inputs.bump, 'pre') && 'vvatelot/ecoindex-api-backend:latest' || '' }}
           labels: ${{ steps.meta.outputs.labels }}
           file: projects/ecoindex_api/docker/backend/dockerfile
           build-args: wheel=${{ needs.python_project.outputs.wheel }}
@@ -163,7 +163,7 @@ jobs:
           context: projects/ecoindex_api
           platforms: linux/amd64,linux/arm64
           push: true
-          tags: ${{ steps.meta.outputs.tags }},vvatelot/ecoindex-api-worker:${{ needs.python_project.outputs.api_version }},${{ !env.PRERELEASE && 'vvatelot/ecoindex-api-worrker:latest' || '' }}
+          tags: ${{ steps.meta.outputs.tags }},vvatelot/ecoindex-api-worker:${{ needs.python_project.outputs.version }},${{ !contains(inputs.bump, 'pre') && 'vvatelot/ecoindex-api-worker:latest' || '' }}
           labels: ${{ steps.meta.outputs.labels }}
           file: projects/ecoindex_api/docker/worker/dockerfile
           build-args: wheel=${{ needs.python_project.outputs.wheel }}
@@ -206,8 +206,8 @@ jobs:
       - name: Commit files
         uses: EndBug/add-and-commit@v9
         with:
-          message: "chore(api): Bump API version to ${{ needs.python_project.outputs.api_version }}"
-          tag: v${{ needs.python_project.outputs.api_version }}@api
+          message: "chore(api): Bump API version to ${{ needs.python_project.outputs.version }}"
+          tag: v${{ needs.python_project.outputs.version }}@api
           tag_push: "--force"
           push: true
 
@@ -216,27 +216,35 @@ jobs:
         uses: requarks/changelog-action@v1
         with:
           token: ${{ github.token }}
-          fromTag: v${{ needs.python_project.outputs.api_version }}@api
+          fromTag: v${{ needs.python_project.outputs.version }}@api
           toTag: ${{ steps.last_tag.outputs.tag }}
           excludeScopes: cli
           changelogFilePath: /tmp/changelog.md
 
       - name: Update changelog content with dockerhub links
         run: |
+          echo "${{ steps.changelog.outputs.changes }}" > /tmp/changelog.md
           echo "" >> /tmp/changelog.md
           echo "### Docker images" >> /tmp/changelog.md
           echo "" >> /tmp/changelog.md
           echo "Docker images have been built and pushed to Docker Hub. You can find them here:" >> /tmp/changelog.md
-          echo "- **Backend**: [vvatelot/ecoindex-api-backend:${{ needs.python_project.outputs.api_version }}](https://hub.docker.com/r/vvatelot/ecoindex-api-backend/tags?page=1&name=${{ needs.python_project.outputs.api_version }})" >> /tmp/changelog.md
-          echo "- **Worker**: [vvatelot/ecoindex-api-worker:${{ needs.python_project.outputs.api_version }}](https://hub.docker.com/r/vvatelot/ecoindex-api-worker/tags?page=1&name=${{ needs.python_project.outputs.api_version }})" >> /tmp/changelog.md
+          echo "- **Backend**: [vvatelot/ecoindex-api-backend:${{ needs.python_project.outputs.version }}](https://hub.docker.com/r/vvatelot/ecoindex-api-backend/tags?page=1&name=${{ needs.python_project.outputs.version }})" >> /tmp/changelog.md
+          echo "- **Worker**: [vvatelot/ecoindex-api-worker:${{ needs.python_project.outputs.version }}](https://hub.docker.com/r/vvatelot/ecoindex-api-worker/tags?page=1&name=${{ needs.python_project.outputs.version }})" >> /tmp/changelog.md
 
       - name: Create Release
+        id: create_release
         uses: ncipollo/release-action@v1
         with:
           allowUpdates: true
           prerelease: ${{ env.PRERELEASE }}
           makeLatest: true
-          name: "API: v${{ needs.python_project.outputs.api_version }}"
-          tag: v${{ needs.python_project.outputs.api_version }}@api
+          name: "API: v${{ needs.python_project.outputs.version }}"
+          tag: v${{ needs.python_project.outputs.version }}@api
           token: ${{ github.token }}
           bodyFile: /tmp/changelog.md
+
+      - name: Notify to Mattermost
+        if: ${{ !env.PRERELEASE }}
+        run: |
+          echo -e "{\"icon_url\":\"https://icon-library.com/images/github-icon-png/github-icon-png-29.jpg\",\"text\":\":tada: Une nouvelle release a été publiée pour le projet **${{ github.repository }}: v${{ needs.python_project.outputs.version }}** :tada:\n\nPlus d'infos ici: ${{ steps.create_release.outputs.html_url }}\"}" > mattermost.json
+          curl -X POST -H 'Content-Type: application/json' -d @mattermost.json ${{ secrets.MATTERMOST_RELEASE_URL }}
diff --git a/.github/workflows/build_publish_cli.yml b/.github/workflows/build_publish_cli.yml
index 2baf8b2..c5323d5 100644
--- a/.github/workflows/build_publish_cli.yml
+++ b/.github/workflows/build_publish_cli.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       wheel: ${{ steps.wheel.outputs.wheel }}
-      cli_version: ${{ steps.version.outputs.cli_version }}
+      version: ${{ steps.version.outputs.version }}
     steps:
       - name: Check out the repo
         uses: actions/checkout@v4
@@ -71,15 +71,15 @@ jobs:
 
       - name: Output version
         id: version
-        run: echo "cli_version=$(task cli:poetry:version-short)" >> $GITHUB_OUTPUT
+        run: echo "version=$(task cli:poetry:version-short)" >> $GITHUB_OUTPUT
 
       - name: Output wheel
         id: wheel
-        run: echo "wheel=ecoindex_cli-${{ steps.version.outputs.cli_version }}-py3-none-any.whl" >> $GITHUB_OUTPUT
+        run: echo "wheel=ecoindex_cli-${{ steps.version.outputs.version }}-py3-none-any.whl" >> $GITHUB_OUTPUT
 
       - name: Output summary
         run: |
-          echo "CLI version ${{ steps.version.outputs.cli_version }}" >> $GITHUB_STEP_SUMMARY
+          echo "CLI version ${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
           echo "Wheel ${{ steps.wheel.outputs.wheel }}" >> $GITHUB_STEP_SUMMARY
 
   docker_image:
@@ -120,7 +120,7 @@ jobs:
           context: projects/ecoindex_cli
           platforms: linux/amd64,linux/arm64
           push: true
-          tags: ${{ steps.meta.outputs.tags }},vvatelot/ecoindex-cli:${{ needs.python_project.outputs.cli_version }},,${{ !env.PRERELEASE && 'vvatelot/ecoindex-cli:latest' || '' }}
+          tags: ${{ steps.meta.outputs.tags }},vvatelot/ecoindex-cli:${{ needs.python_project.outputs.version }},${{ !contains(inputs.bump, 'pre') && 'vvatelot/ecoindex-cli:latest' || '' }}
           labels: ${{ steps.meta.outputs.labels }}
           file: projects/ecoindex_cli/dockerfile
           build-args: wheel=${{ needs.python_project.outputs.wheel }}
@@ -205,8 +205,8 @@ jobs:
       - name: Commit files
         uses: EndBug/add-and-commit@v9
         with:
-          message: "chore(cli): Bump CLI version to ${{ needs.python_project.outputs.cli_version }}"
-          tag: v${{ needs.python_project.outputs.cli_version }}@cli
+          message: "chore(cli): Bump CLI version to ${{ needs.python_project.outputs.version }}"
+          tag: v${{ needs.python_project.outputs.version }}@cli
           tag_push: "--force"
           push: true
 
@@ -215,29 +215,37 @@ jobs:
         uses: requarks/changelog-action@v1
         with:
           token: ${{ github.token }}
-          fromTag: v${{ needs.python_project.outputs.cli_version }}@cli
+          fromTag: v${{ needs.python_project.outputs.version }}@cli
           toTag: ${{ steps.last_tag.outputs.tag }}
           excludeScopes: api
           changelogFilePath: /tmp/changelog.md
 
       - name: Update changelog content with dockerhub links
         run: |
+          echo "${{ steps.changelog.outputs.changes }}" > /tmp/changelog.md
           echo "" >> /tmp/changelog.md
           echo "### Docker image" >> /tmp/changelog.md
           echo "" >> /tmp/changelog.md
-          echo "Docker image have been built and pushed to Docker Hub: [vvatelot/ecoindex-api-backend:${{ needs.python_project.outputs.cli_version }}](https://hub.docker.com/r/vvatelot/ecoindex-cli/tags?page=1&name=${{ needs.python_project.outputs.cli_version }})" >> /tmp/changelog.md
+          echo "Docker image have been built and pushed to Docker Hub: [vvatelot/ecoindex-api-backend:${{ needs.python_project.outputs.version }}](https://hub.docker.com/r/vvatelot/ecoindex-cli/tags?page=1&name=${{ needs.python_project.outputs.version }})" >> /tmp/changelog.md
           echo "" >> /tmp/changelog.md
           echo "### Pypi package" >> /tmp/changelog.md
           echo "" >> /tmp/changelog.md
-          echo "Pypi package have been built and pushed to Pypi: [ecoindex-cli:${{ needs.python_project.outputs.cli_version }}](https://pypi.org/project/ecoindex-cli/${{ needs.python_project.outputs.cli_version }}/)" >> /tmp/changelog.md
+          echo "Pypi package have been built and pushed to Pypi: [ecoindex-cli:${{ needs.python_project.outputs.version }}](https://pypi.org/project/ecoindex-cli/${{ needs.python_project.outputs.version }}/)" >> /tmp/changelog.md
 
       - name: Create Release
+        id: create_release
         uses: ncipollo/release-action@v1
         with:
           allowUpdates: true
           prerelease: ${{ env.PRERELEASE }}
           makeLatest: true
-          name: "CLI: v${{ needs.python_project.outputs.cli_version }}"
-          tag: v${{ needs.python_project.outputs.cli_version }}@cli
+          name: "CLI: v${{ needs.python_project.outputs.version }}"
+          tag: v${{ needs.python_project.outputs.version }}@cli
           token: ${{ github.token }}
           bodyFile: /tmp/changelog.md
+
+      - name: Notify to Mattermost
+        if: ${{ !env.PRERELEASE }}
+        run: |
+          echo -e "{\"icon_url\":\"https://icon-library.com/images/github-icon-png/github-icon-png-29.jpg\",\"text\":\":tada: Une nouvelle release a été publiée pour le projet **${{ github.repository }}: v${{ needs.python_project.outputs.version }}** :tada:\n\nPlus d'infos ici: ${{ steps.create_release.outputs.html_url }}\"}" > mattermost.json
+          curl -X POST -H 'Content-Type: application/json' -d @mattermost.json ${{ secrets.MATTERMOST_RELEASE_URL }}
diff --git a/.github/workflows/build_publish_compute.yml b/.github/workflows/build_publish_compute.yml
index ab55274..e0318c3 100644
--- a/.github/workflows/build_publish_compute.yml
+++ b/.github/workflows/build_publish_compute.yml
@@ -179,12 +179,14 @@ jobs:
 
       - name: Update changelog content with dockerhub links
         run: |
+          echo "${{ steps.changelog.outputs.changes }}" > /tmp/changelog.md
           echo "" >> /tmp/changelog.md
           echo "### Pypi package" >> /tmp/changelog.md
           echo "" >> /tmp/changelog.md
           echo "Pypi package have been built and pushed to Pypi: [ecoindex-compute:${{ needs.python_project.outputs.compute_version }}](https://pypi.org/project/ecoindex-compute/${{ needs.python_project.outputs.compute_version }}/)" >> /tmp/changelog.md
 
       - name: Create Release
+        id: create_release
         uses: ncipollo/release-action@v1
         with:
           allowUpdates: true
@@ -194,3 +196,9 @@ jobs:
           tag: v${{ needs.python_project.outputs.compute_version }}@compute
           token: ${{ github.token }}
           bodyFile: /tmp/changelog.md
+
+      - name: Notify to Mattermost
+        if: ${{ !env.PRERELEASE }}
+        run: |
+          echo "{\"icon_url\":\"https://icon-library.com/images/github-icon-png/github-icon-png-29.jpg\",\"text\":\":tada: Une nouvelle release a été publiée pour le projet **${{ github.repository }}: v${{ needs.python_project.outputs.compute_version }}** :tada:\n\nPlus d'infos ici: ${{ steps.create_release.outputs.html_url }}\"}" > mattermost.json
+          curl -X POST -H 'Content-Type: application/json' -d @mattermost.json ${{ secrets.MATTERMOST_RELEASE_URL }}
diff --git a/.github/workflows/build_publish_scraper.yml b/.github/workflows/build_publish_scraper.yml
index a4adc1a..6273d6d 100644
--- a/.github/workflows/build_publish_scraper.yml
+++ b/.github/workflows/build_publish_scraper.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       wheel: ${{ steps.wheel.outputs.wheel }}
-      scraper_version: ${{ steps.version.outputs.scraper_version }}
+      version: ${{ steps.version.outputs.version }}
     steps:
       - name: Check out the repo
         uses: actions/checkout@v4
@@ -71,15 +71,15 @@ jobs:
 
       - name: Output version
         id: version
-        run: echo "scraper_version=$(task scraper:poetry:version-short)" >> $GITHUB_OUTPUT
+        run: echo "version=$(task scraper:poetry:version-short)" >> $GITHUB_OUTPUT
 
       - name: Output wheel
         id: wheel
-        run: echo "wheel=ecoindex_scraper-${{ steps.version.outputs.scraper_version }}-py3-none-any.whl" >> $GITHUB_OUTPUT
+        run: echo "wheel=ecoindex_scraper-${{ steps.version.outputs.version }}-py3-none-any.whl" >> $GITHUB_OUTPUT
 
       - name: Output summary
         run: |
-          echo "Scraper version ${{ steps.version.outputs.scraper_version }}" >> $GITHUB_STEP_SUMMARY
+          echo "Scraper version ${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
           echo "Wheel ${{ steps.wheel.outputs.wheel }}" >> $GITHUB_STEP_SUMMARY
 
   pypi_package:
@@ -162,8 +162,8 @@ jobs:
       - name: Commit files
         uses: EndBug/add-and-commit@v9
         with:
-          message: "chore(scraper): Bump scraper version to ${{ needs.python_project.outputs.scraper_version }}"
-          tag: v${{ needs.python_project.outputs.scraper_version }}@scraper
+          message: "chore(scraper): Bump scraper version to ${{ needs.python_project.outputs.version }}"
+          tag: v${{ needs.python_project.outputs.version }}@scraper
           tag_push: "--force"
           push: true
 
@@ -172,25 +172,33 @@ jobs:
         uses: requarks/changelog-action@v1
         with:
           token: ${{ github.token }}
-          fromTag: v${{ needs.python_project.outputs.scraper_version }}@scraper
+          fromTag: v${{ needs.python_project.outputs.version }}@scraper
           toTag: ${{ steps.last_tag.outputs.tag }}
           excludeScopes: api,cli
           changelogFilePath: /tmp/changelog.md
 
       - name: Update changelog content with dockerhub links
         run: |
+          echo "${{ steps.changelog.outputs.changes }}" > /tmp/changelog.md
           echo "" >> /tmp/changelog.md
           echo "### Pypi package" >> /tmp/changelog.md
           echo "" >> /tmp/changelog.md
-          echo "Pypi package have been built and pushed to Pypi: [ecoindex-scraper:${{ needs.python_project.outputs.scraper_version }}](https://pypi.org/project/ecoindex-scraper/${{ needs.python_project.outputs.scraper_version }}/)" >> /tmp/changelog.md
+          echo "Pypi package have been built and pushed to Pypi: [ecoindex-scraper:${{ needs.python_project.outputs.version }}](https://pypi.org/project/ecoindex-scraper/${{ needs.python_project.outputs.version }}/)" >> /tmp/changelog.md
 
       - name: Create Release
+        id: create_release
         uses: ncipollo/release-action@v1
         with:
           allowUpdates: true
           prerelease: ${{ env.PRERELEASE }}
           makeLatest: true
-          name: "Scraper: v${{ needs.python_project.outputs.scraper_version }}"
-          tag: v${{ needs.python_project.outputs.scraper_version }}@scraper
+          name: "Scraper: v${{ needs.python_project.outputs.version }}"
+          tag: v${{ needs.python_project.outputs.version }}@scraper
           token: ${{ github.token }}
           bodyFile: /tmp/changelog.md
+
+      - name: Notify to Mattermost
+        if: ${{ !env.PRERELEASE }}
+        run: |
+          echo -e "{\"icon_url\":\"https://icon-library.com/images/github-icon-png/github-icon-png-29.jpg\",\"text\":\":tada: Une nouvelle release a été publiée pour le projet **${{ github.repository }}: v${{ needs.python_project.outputs.version }}** :tada:\n\nPlus d'infos ici: ${{ steps.create_release.outputs.html_url }}\"}" > mattermost.json
+          curl -X POST -H 'Content-Type: application/json' -d @mattermost.json ${{ secrets.MATTERMOST_RELEASE_URL }}
diff --git a/bases/ecoindex/backend/VERSION b/bases/ecoindex/backend/VERSION
index 1809198..b22fc0e 100644
--- a/bases/ecoindex/backend/VERSION
+++ b/bases/ecoindex/backend/VERSION
@@ -1 +1 @@
-3.4.0
+3.4.1a0
diff --git a/components/ecoindex/compute/VERSION b/components/ecoindex/compute/VERSION
index d50359d..a00dd3d 100644
--- a/components/ecoindex/compute/VERSION
+++ b/components/ecoindex/compute/VERSION
@@ -1 +1 @@
-5.5.0
+5.8.0a0
diff --git a/projects/ecoindex_api/pyproject.toml b/projects/ecoindex_api/pyproject.toml
index c18b70f..9c58297 100644
--- a/projects/ecoindex_api/pyproject.toml
+++ b/projects/ecoindex_api/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ecoindex_api"
-version = "3.4.0"
+version = "3.4.1a0"
 description = "REST API to expose Ecoindex"
 authors = ['Vincent Vatelot <vincent.vatelot@ik.me>']
 license = "Creative Commons BY-NC-ND"
diff --git a/projects/ecoindex_compute/pyproject.toml b/projects/ecoindex_compute/pyproject.toml
index b1835e7..9f17da3 100644
--- a/projects/ecoindex_compute/pyproject.toml
+++ b/projects/ecoindex_compute/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ecoindex_compute"
-version = "5.5.0"
+version = "5.8.0a0"
 readme = "README.md"
 description = "Ecoindex module provides a simple way to measure the Ecoindex score based on the 3 parameters: The DOM elements of the page, the size of the page and the number of external requests of the page"
 authors = ['Vincent Vatelot <vincent.vatelot@ik.me>']