diff --git a/.forgejo/workflows/before_almalinux_8.yaml b/.forgejo/workflows/before_almalinux_8.yaml
new file mode 100644
index 0000000..945c231
--- /dev/null
+++ b/.forgejo/workflows/before_almalinux_8.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}almalinux:8
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/before_alpine_3.19.yaml b/.forgejo/workflows/before_alpine_3.19.yaml
new file mode 100644
index 0000000..10cdc29
--- /dev/null
+++ b/.forgejo/workflows/before_alpine_3.19.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}alpine:3.19
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/before_archlinux_base-20240101.0.204074.yaml b/.forgejo/workflows/before_archlinux_base-20240101.0.204074.yaml
new file mode 100644
index 0000000..11f94ef
--- /dev/null
+++ b/.forgejo/workflows/before_archlinux_base-20240101.0.204074.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}archlinux:base-20240101.0.204074
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/before_debian_bullseye.yaml b/.forgejo/workflows/before_debian_bullseye.yaml
new file mode 100644
index 0000000..4146863
--- /dev/null
+++ b/.forgejo/workflows/before_debian_bullseye.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}debian:bullseye
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/before_fedora_39.yaml b/.forgejo/workflows/before_fedora_39.yaml
new file mode 100644
index 0000000..cf5e65f
--- /dev/null
+++ b/.forgejo/workflows/before_fedora_39.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}fedora:39
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/before_opensuse_15.5.yaml b/.forgejo/workflows/before_opensuse_15.5.yaml
new file mode 100644
index 0000000..bcf1b30
--- /dev/null
+++ b/.forgejo/workflows/before_opensuse_15.5.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}opensuse/leap:15.5
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/before_rockylinux_8.yaml b/.forgejo/workflows/before_rockylinux_8.yaml
new file mode 100644
index 0000000..10a78f5
--- /dev/null
+++ b/.forgejo/workflows/before_rockylinux_8.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}rockylinux:8
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/before_ubuntu_jammy.yaml b/.forgejo/workflows/before_ubuntu_jammy.yaml
new file mode 100644
index 0000000..45245ef
--- /dev/null
+++ b/.forgejo/workflows/before_ubuntu_jammy.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}ubuntu:jammy
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/latest_almalinux_9.yaml b/.forgejo/workflows/latest_almalinux_9.yaml
new file mode 100644
index 0000000..f2c48e3
--- /dev/null
+++ b/.forgejo/workflows/latest_almalinux_9.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}almalinux:9
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/latest_alpine_3.20.yaml b/.forgejo/workflows/latest_alpine_3.20.yaml
new file mode 100644
index 0000000..3f1ff3b
--- /dev/null
+++ b/.forgejo/workflows/latest_alpine_3.20.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}alpine:3.20
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/latest_archlinux_base-20240818.0.255804.yaml b/.forgejo/workflows/latest_archlinux_base-20240818.0.255804.yaml
new file mode 100644
index 0000000..6eeacbd
--- /dev/null
+++ b/.forgejo/workflows/latest_archlinux_base-20240818.0.255804.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}archlinux:base-20240818.0.255804
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/latest_debian_bookworm.yaml b/.forgejo/workflows/latest_debian_bookworm.yaml
new file mode 100644
index 0000000..47567e8
--- /dev/null
+++ b/.forgejo/workflows/latest_debian_bookworm.yaml
@@ -0,0 +1,17 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}debian:bookworm
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+        SPCD_SSH_HOSTS: ${{vars.SPCD_SSH_HOSTS}}
+        SPCD_SSH_KEY: ${{secrets.SPCD_SSH_KEY}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
+    - run: spcd-synchronize
diff --git a/.forgejo/workflows/latest_fedora_40.yaml b/.forgejo/workflows/latest_fedora_40.yaml
new file mode 100644
index 0000000..04a2beb
--- /dev/null
+++ b/.forgejo/workflows/latest_fedora_40.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}fedora:40
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/latest_opensuse_15.6.yaml b/.forgejo/workflows/latest_opensuse_15.6.yaml
new file mode 100644
index 0000000..0b20f95
--- /dev/null
+++ b/.forgejo/workflows/latest_opensuse_15.6.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}opensuse/leap:15.6
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/latest_rockylinux_9.yaml b/.forgejo/workflows/latest_rockylinux_9.yaml
new file mode 100644
index 0000000..7a5f07f
--- /dev/null
+++ b/.forgejo/workflows/latest_rockylinux_9.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}rockylinux:9
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/latest_ubuntu_noble.yaml b/.forgejo/workflows/latest_ubuntu_noble.yaml
new file mode 100644
index 0000000..ae589e8
--- /dev/null
+++ b/.forgejo/workflows/latest_ubuntu_noble.yaml
@@ -0,0 +1,14 @@
+on: [push]
+jobs:
+  job:
+    container:
+      image: ${{vars.DOCKER}}ubuntu:noble
+    steps:
+    - name: spcd
+      env:
+        SPCD: ${{vars.SPCD}}
+      run: ${{vars.SPCD}}
+
+    - run: spcd-check-project
+    - run: spcd-build-project
+    - run: spcd-browse-workspace
diff --git a/.forgejo/workflows/main.yaml b/.forgejo/workflows/main.yaml
deleted file mode 100644
index 780827a..0000000
--- a/.forgejo/workflows/main.yaml
+++ /dev/null
@@ -1,228 +0,0 @@
-on: [push]
-jobs:
-
-  archlinux_latest:
-    container:
-      image: ${{vars.DOCKER}}archlinux:base-20240818.0.255804
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  archlinux_previous:
-    needs: archlinux_latest
-    container:
-      image: ${{vars.DOCKER}}archlinux:base-20240101.0.204074
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  alpine_latest:
-    needs: archlinux_previous
-    container:
-      image: ${{vars.DOCKER}}alpine:3.20
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  fedora_latest:
-    needs: alpine_latest
-    container:
-      image: ${{vars.DOCKER}}fedora:40
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  debian_latest:
-    needs: fedora_latest
-    container:
-      image: ${{vars.DOCKER}}debian:bookworm
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-        SPCD_SSH_HOSTS: ${{vars.SPCD_SSH_HOSTS}}
-        SPCD_SSH_KEY: ${{secrets.SPCD_SSH_KEY}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-    - run: spcd-synchronize
-
-  opensuse_latest:
-    needs: debian_latest
-    container:
-      image: ${{vars.DOCKER}}opensuse/leap:15.6
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  ubuntu_latest:
-    needs: opensuse_latest
-    container:
-      image: ${{vars.DOCKER}}ubuntu:noble
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  almalinux_latest:
-    needs: ubuntu_latest
-    container:
-      image: ${{vars.DOCKER}}almalinux:9
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  rockylinux_latest:
-    needs: almalinux_latest
-    container:
-      image: ${{vars.DOCKER}}rockylinux:9
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  alpine_previous:
-    needs: rockylinux_latest
-    container:
-      image: ${{vars.DOCKER}}alpine:3.19
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  fedora_previous:
-    needs: alpine_previous
-    container:
-      image: ${{vars.DOCKER}}fedora:39
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  opensuse_previous:
-    needs: fedora_previous
-    container:
-      image: ${{vars.DOCKER}}opensuse/leap:15.5
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  almalinux_previous:
-    needs: opensuse_previous
-    container:
-      image: ${{vars.DOCKER}}almalinux:8
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  rockylinux_previous:
-    needs: almalinux_previous
-    container:
-      image: ${{vars.DOCKER}}rockylinux:8
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  ubuntu_previous:
-    needs: rockylinux_previous
-    container:
-      image: ${{vars.DOCKER}}ubuntu:jammy
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
-
-  debian_previous:
-    needs: ubuntu_previous
-    container:
-      image: ${{vars.DOCKER}}debian:bullseye
-    steps:
-    - name: spcd
-      env:
-        SPCD: ${{vars.SPCD}}
-      run: ${{vars.SPCD}}
-
-    - run: spcd-check-project
-    - run: spcd-build-project
-    - run: spcd-browse-workspace
diff --git a/readme.md b/readme.md
index e9702d4..559e788 100644
--- a/readme.md
+++ b/readme.md
@@ -211,8 +211,6 @@ Handle project workflows in a unified way:
 
 ## When
 
-* sequential workflows
-
 ### Shell
 
 * comment