diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index 0dcefde..f568a4c 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -11,6 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
 
       - uses: actions/setup-python@v5
         with:
@@ -52,7 +54,7 @@ jobs:
           ls -la dist
           tar -tzf "dist/SDSAT-${{ gitea.ref_name }}.tar.gz" | head -n 50
 
-      - name: Create Gitea release (and upload asset)
+      - name: Create Gitea release (with changelog) + upload asset
         env:
           GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
           OWNER: ${{ gitea.repository_owner }}
@@ -60,17 +62,56 @@ jobs:
           TAG: ${{ gitea.ref_name }}
           GITEA_SERVER_URL: ${{ gitea.server_url }}
         run: |
-          set -eux
+          set -euo pipefail
           API="${GITEA_SERVER_URL}/api/v1"
 
-          # Create release (si existe déjà, on continue)
+          # 1) Trouver le tag précédent (semver vX.Y.Z), différent du tag courant
+          PREV_TAG=$(git tag --sort=-creatordate | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+$' | grep -v "^${TAG}$" | head -n 1 || true)
+
+          if [ -n "${PREV_TAG}" ]; then
+            RANGE="${PREV_TAG}..${TAG}"
+            COMMITS=$(git log --pretty=format:"- %s (%h)" "${RANGE}")
+            FILES=$(git diff --name-status "${RANGE}")
+          else
+            RANGE="initial (up to ${TAG})"
+            COMMITS=$(git log --pretty=format:"- %s (%h)" "${TAG}")
+            FILES=$(git show --name-status --pretty="" "${TAG}")
+          fi
+
+          # 2) Construire le body Markdown
+          cat > /tmp/release_body.md <<EOF
+          ## Changes (${RANGE})
+
+          ${COMMITS}
+
+          ## Files changed
+          \`\`\`
+          ${FILES}
+          \`\`\`
+
+          ## Build info
+          - Repo: ${REPO}
+          - Tag: ${TAG}
+          - Commit: ${{ gitea.sha }}
+          - Built at (UTC): $(date -u +"%Y-%m-%dT%H:%M:%SZ")
+          EOF
+
+          # 3) Créer le JSON payload (via python pour éviter les soucis d'escaping)
+          python -c 'import json; tag=open("/dev/stdin").read().strip()' <<< "${TAG}" >/dev/null 2>&1 || true
+          python -c 'import json; import pathlib; tag=pathlib.Path("/tmp/tag.txt").read_text().strip() if pathlib.Path("/tmp/tag.txt").exists() else ""' >/dev/null 2>&1 || true
+          echo "${TAG}" > /tmp/tag.txt
+
+          python -c 'import json, pathlib; tag=pathlib.Path("/tmp/tag.txt").read_text().strip(); body=pathlib.Path("/tmp/release_body.md").read_text(); print(json.dumps({"tag_name":tag,"name":tag,"body":body,"draft":False,"prerelease":False}))' \
+            > /tmp/release_payload.json
+
+          # 4) Créer la release (si déjà existante, on continue)
           curl -sS -X POST "${API}/repos/${OWNER}/${REPO}/releases" \
             -H "Authorization: token ${GITEA_TOKEN}" \
             -H "Content-Type: application/json" \
-            -d "{\"tag_name\":\"${TAG}\",\"name\":\"${TAG}\",\"draft\":false,\"prerelease\":false}" \
-            >/tmp/release_create.json || true
+            -d @/tmp/release_payload.json \
+            >/tmp/release.json || true
 
-          # Récupère l'id de la release par tag (fiable)
+          # 5) Récupérer l'ID de la release (par tag) et uploader l'asset
           curl -sS "${API}/repos/${OWNER}/${REPO}/releases/tags/${TAG}" \
             -H "Authorization: token ${GITEA_TOKEN}" \
             >/tmp/release_get.json
@@ -78,8 +119,6 @@ jobs:
           RID=$(python -c "import json;print(json.load(open('/tmp/release_get.json'))['id'])")
 
           ASSET="dist/SDSAT-${TAG}.tar.gz"
-          ls -la "${ASSET}"
-
           curl -sS -X POST "${API}/repos/${OWNER}/${REPO}/releases/${RID}/assets?name=$(basename "${ASSET}")" \
             -H "Authorization: token ${GITEA_TOKEN}" \
             -H "Content-Type: application/gzip" \