diff --git a/.github/workflows/featurenet-create.yml b/.github/workflows/featurenet-create.yml
index 2d7a18ac..445a6106 100644
--- a/.github/workflows/featurenet-create.yml
+++ b/.github/workflows/featurenet-create.yml
@@ -41,7 +41,41 @@ on:
       sudo-account-id:
         description: 'Sudo account ID'
         type: string
+        required: false
+        default: '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY'
+  workflow_call:
+    inputs:
+      featurenet-name:
+        description: 'Name of the featurenet'
+        type: string
+        required: true
+      ref:
+        description: "git ref: full commit hash, branch, tag - or 'mainnet' or 'testnet'"
+        type: string
+        required: true
+      expiration:
+        description: 'Time after which featurenet will be removed'
         required: true
+        type: string
+        default: '48h'
+      validators:
+        description: 'Number of validators to start, from 0 to 50'
+        required: true
+        default: '5'
+        type: string
+      internal:
+        description: 'Internal network, accessible from VPN only'
+        required: true
+        type: boolean
+        default: false
+      short-session:
+        description: 'Use short session aleph-node binary'
+        required: true
+        type: boolean
+      sudo-account-id:
+        description: 'Sudo account ID'
+        type: string
+        required: false
         default: '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY'
 
 jobs:
@@ -100,7 +134,7 @@ jobs:
     needs: [get-full-docker-image-path, build-and-push-featurenet-node-image]
     # to prevent this job to be skipped when on of the parent jobs is skipped
     if: ${{ !cancelled() }}
-    name: Create featurenet from branch
+    name: Create featurenet
     uses: Cardinal-Cryptography/github-actions/.github/workflows/_featurenet-create.yml@v6
     secrets: inherit
     with:
diff --git a/.github/workflows/featurenet-delete.yml b/.github/workflows/featurenet-delete.yml
index 943a969a..1b44bc76 100644
--- a/.github/workflows/featurenet-delete.yml
+++ b/.github/workflows/featurenet-delete.yml
@@ -24,7 +24,6 @@ jobs:
   delete-featurenet:
     needs: [check-vars-and-secrets]
     name: Delete featurenet
-    # yamllint disable-line rule:line-length
     uses: Cardinal-Cryptography/github-actions/.github/workflows/_featurenet-delete.yml@v5
     secrets: inherit
     with:
diff --git a/.github/workflows/featurenet-update.yml b/.github/workflows/featurenet-update.yml
index 1946a81e..8cf07e62 100644
--- a/.github/workflows/featurenet-update.yml
+++ b/.github/workflows/featurenet-update.yml
@@ -24,6 +24,28 @@ on:
         description: 'Use short session aleph-node binary'
         required: true
         type: boolean
+  workflow_call:
+    inputs:
+      featurenet-name:
+        description: 'Name of featurenet'
+        required: true
+        type: string
+      ref:
+        description: 'git ref: full commit hash, branch, tag'
+        required: true
+        type: string
+      rolling-update-partition:
+        description: |
+          A number from 0 to N-1, where N is a number of validators.
+          All aleph-node-validator-N with an ordinal N that is great than or equal to the partition
+          will be updated. If not specified, all nodes will be updated.
+        required: true
+        default: "0"
+        type: string
+      short-session:
+        description: 'Use short session aleph-node binary'
+        required: true
+        type: boolean
 
 jobs:
   validate-inputs:
diff --git a/.github/workflows/nightly-update-net-tests.yml b/.github/workflows/nightly-update-net-tests.yml
deleted file mode 100644
index e0c44343..00000000
--- a/.github/workflows/nightly-update-net-tests.yml
+++ /dev/null
@@ -1,190 +0,0 @@
----
-# This workflow performs two updates: from Testnet to the latest main and
-# from Mainnet to the latest main
-name: Nightly update net tests
-on:
-  workflow_dispatch:
-  schedule:
-    - cron: '00 02 * * *'
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}
-  cancel-in-progress: false
-
-jobs:
-  check-vars-and-secrets:
-    name: Check vars and secrets
-    uses: ./.github/workflows/_check-vars-and-secrets.yml
-    secrets: inherit
-
-  get-net-names:
-    needs: [check-vars-and-secrets]
-    name: Get aleph-node main SHA
-    outputs:
-      updatenet-testnet-name: ${{ steps.get-featurenet-name.outputs.updatenet-testnet-name }}
-      updatenet-mainnet-name: ${{ steps.get-featurenet-name.outputs.updatenet-mainnet-name }}
-      aleph-node-main-hash: ${{ steps.get-update-hashes.outputs.update-hash }}
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Get featurenet name
-        id: get-featurenet-name
-        run: |
-          echo "updatenet-testnet-name=ops-updatenet-testnet" >> $GITHUB_OUTPUT
-          echo "updatenet-mainnet-name=ops-updatenet-mainnet" >> $GITHUB_OUTPUT
-
-  get-full-docker-image-path-testnet:
-    name: Get full aleph-node full docker path path for testnet
-    needs: [check-vars-and-secrets]
-    runs-on: ubuntu-20.04
-    outputs:
-      fqdn-image: ${{ steps.get-aleph-node-fqdn-image.outputs.fqdn-image }}
-      ref: ${{ steps.get-aleph-node-fqdn-image.outputs.ref }}
-      image-exists: ${{ steps.get-aleph-node-fqdn-image.outputs.image-exists }}
-    steps:
-      - name: Get aleph-node fqdn path
-        id: get-aleph-node-fqdn-image
-        uses: Cardinal-Cryptography/github-actions/get-aleph-node-fqdn-image@v6
-        with:
-          ref: 'testnet'
-          test-binary: 'false'
-          ecr-dev-node-repo: ${{ vars.ECR_DEV_ALEPH_NODE_REPO }}
-          ecr-prod-node-repo: ${{ vars.ECR_ALEPH_NODE_REPO }}
-
-  get-full-docker-image-path-mainnet:
-    name: Get full aleph-node full docker path path for mainnet
-    needs: [check-vars-and-secrets]
-    runs-on: ubuntu-20.04
-    outputs:
-      fqdn-image: ${{ steps.get-aleph-node-fqdn-image.outputs.fqdn-image }}
-      ref: ${{ steps.get-aleph-node-fqdn-image.outputs.ref }}
-      image-exists: ${{ steps.get-aleph-node-fqdn-image.outputs.image-exists }}
-    steps:
-      - name: Get aleph-node fqdn path
-        id: get-aleph-node-fqdn-image
-        uses: Cardinal-Cryptography/github-actions/get-aleph-node-fqdn-image@v6
-        with:
-          ref: 'mainnet'
-          test-binary: 'false'
-          ecr-dev-node-repo: ${{ vars.ECR_DEV_ALEPH_NODE_REPO }}
-          ecr-prod-node-repo: ${{ vars.ECR_ALEPH_NODE_REPO }}
-
-  get-full-docker-image-path-main-branch:
-    name: Get full aleph-node full docker path path for mainnet
-    needs: [check-vars-and-secrets]
-    runs-on: ubuntu-20.04
-    outputs:
-      fqdn-image: ${{ steps.get-aleph-node-fqdn-image.outputs.fqdn-image }}
-      ref: ${{ steps.get-aleph-node-fqdn-image.outputs.ref }}
-      image-exists: ${{ steps.get-aleph-node-fqdn-image.outputs.image-exists }}
-    steps:
-      - name: Get aleph-node fqdn path
-        id: get-aleph-node-fqdn-image
-        uses: Cardinal-Cryptography/github-actions/get-aleph-node-fqdn-image@v6
-        with:
-          ref: 'main'
-          test-binary: 'false'
-          ecr-dev-node-repo: ${{ vars.ECR_DEV_ALEPH_NODE_REPO }}
-          ecr-prod-node-repo: ${{ vars.ECR_ALEPH_NODE_REPO }}
-
-  create-featurenet-from-testnet:
-    needs:
-      - get-net-names
-      - get-full-docker-image-path-testnet
-    name: Create featurenet from testnet
-    uses: Cardinal-Cryptography/github-actions/.github/workflows/_featurenet-create.yml@v6
-    secrets: inherit
-    with:
-      featurenet-name: ${{ needs.get-net-names.outputs.updatenet-testnet-name }}
-      aleph-node-image: ${{ needs.get-full-docker-image-path-testnet.outputs.fqdn-image }}
-      expiration: '4h'
-      validators: '7'
-      internal: true
-      delete-first: true
-
-  create-featurenet-from-mainnet:
-    needs:
-      - get-net-names
-      - create-featurenet-from-testnet
-      - get-full-docker-image-path-mainnet
-    name: Create featurenet from mainnet
-    uses: Cardinal-Cryptography/github-actions/.github/workflows/_featurenet-create.yml@v6
-    secrets: inherit
-    with:
-      featurenet-name: ${{ needs.get-net-names.outputs.updatenet-mainnet-name }}
-      aleph-node-image: ${{ needs.get-full-docker-image-path-mainnet.outputs.fqdn-image }}
-      expiration: '4h'
-      validators: '7'
-      internal: true
-      delete-first: true
-
-  update-featurenet-from-testnet:
-    needs:
-      - get-net-names
-      - create-featurenet-from-mainnet
-      - get-full-docker-image-path-main-branch
-    name: Update featurenet from testnet to main image
-    uses: Cardinal-Cryptography/github-actions/.github/workflows/_featurenet-create.yml@v6
-    secrets: inherit
-    with:
-      featurenet-name: ${{ needs.get-net-names.outputs.updatenet-testnet-name }}
-      aleph-node-image: ${{ needs.get-full-docker-image-path-main-branch.outputs.fqdn-image }}
-      expiration: '4h'
-      rolling-update-partition: '0'
-      validators: '7'
-      internal: true
-
-  update-featurenet-from-mainnet:
-    needs:
-      - get-net-names
-      - update-featurenet-from-testnet
-      - get-full-docker-image-path-main-branch
-    name: Update featurenet from mainnet to main branch
-    uses: Cardinal-Cryptography/github-actions/.github/workflows/_featurenet-create.yml@v6
-    secrets: inherit
-    with:
-      featurenet-name: ${{ needs.get-net-names.outputs.updatenet-mainnet-name }}
-      aleph-node-image: ${{ needs.get-full-docker-image-path-main-branch.outputs.fqdn-image }}
-      expiration: '4h'
-      rolling-update-partition: '0'
-      validators: '7'
-      internal: true
-
-  delete-featurenet-from-testnet:
-    if: ${{ always() }}
-    needs:
-      - get-net-names
-      - update-featurenet-from-mainnet
-    name: Delete featurenet from testnet
-    uses: Cardinal-Cryptography/github-actions/.github/workflows/_featurenet-delete.yml@v5
-    secrets: inherit
-    with:
-      featurenet-name: ${{ needs.get-net-names.outputs.updatenet-testnet-name }}
-
-  delete-featurenet-from-mainnet:
-    if: ${{ always() }}
-    needs:
-      - get-net-names
-      - delete-featurenet-from-testnet
-    name: Delete featurenet from mainnet
-    uses: Cardinal-Cryptography/github-actions/.github/workflows/_featurenet-delete.yml@v5
-    secrets: inherit
-    with:
-      featurenet-name: ${{ needs.get-net-names.outputs.updatenet-mainnet-name }}
-
-  slack-notification:
-    name: Slack notification
-    runs-on: ubuntu-20.04
-    needs: [delete-featurenet-from-testnet, delete-featurenet-from-mainnet]
-    if: >
-      !cancelled() &&
-      github.event_name != 'workflow_dispatch'
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Send Slack message
-        uses: ./.github/actions/slack-notification
-        with:
-          notify-on: "failure"
-        env:
-          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_DEV_ONDUTY }}
diff --git a/.github/workflows/nightly-update-test-mainnet-testnet.yml b/.github/workflows/nightly-update-test-mainnet-testnet.yml
new file mode 100644
index 00000000..d3b5c157
--- /dev/null
+++ b/.github/workflows/nightly-update-test-mainnet-testnet.yml
@@ -0,0 +1,73 @@
+---
+# This workflow performs from Mainnet to Testnet update.
+# Test means that net starts from plain (empty) aleph-node chain, bootstraped using starting
+# node image, and then performs rolling restart to target node image
+# What this test validates are changes in finalization area to aleph-node binary
+
+name: Nightly update net test from Mainnet to Testnet
+on:
+  workflow_dispatch:
+  # Daily at 02:00
+  schedule:
+    - cron: '00 02 * * *'
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: false
+
+jobs:
+  check-vars-and-secrets:
+    name: Check vars and secrets
+    uses: ./.github/workflows/_check-vars-and-secrets.yml
+    secrets: inherit
+
+  create-featurenet-from-mainnet:
+    needs: [check-vars-and-secrets]
+    name: Create featurenet from mainnet
+    uses: ./.github/workflows/featurenet-create.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-updatenet-mainnet'
+      ref: 'mainnet'
+      expiration: '4h'
+      validators: '7'
+      internal: true
+      short-session: false
+
+  update-featurenet-to-testnet:
+    needs: [create-featurenet-from-mainnet]
+    name: Update featurenet to Testnet
+    uses: ./.github/workflows/featurenet-update.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-updatenet-mainnet'
+      ref: 'testnet'
+      rolling-update-partition: '0'
+      short-session: false
+
+  delete-featurenet:
+    if: ${{ always() }}
+    needs: [update-featurenet-to-testnet]
+    name: Delete featurenet
+    uses: ./.github/workflows/featurenet-delete.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-updatenet-mainnet'
+
+  slack-notification:
+    name: Slack notification
+    runs-on: ubuntu-20.04
+    needs: [delete-featurenet]
+    if: >
+      !cancelled() &&
+      github.event_name != 'workflow_dispatch'
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Send Slack message
+        uses: ./.github/actions/slack-notification
+        with:
+          notify-on: "failure"
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_DEV_ONDUTY }}
diff --git a/.github/workflows/nightly-update-test-testnet-main.yml b/.github/workflows/nightly-update-test-testnet-main.yml
new file mode 100644
index 00000000..54542c50
--- /dev/null
+++ b/.github/workflows/nightly-update-test-testnet-main.yml
@@ -0,0 +1,73 @@
+---
+# This workflow performs from Testnet to the latest main update.
+# Test means that net starts from plain (empty) aleph-node chain, bootstraped using starting
+# node image, and then performs rolling restart to target node image
+# What this test validates are changes in finalization area to aleph-node binary
+
+name: Nightly update net test from Testnet to main
+on:
+  workflow_dispatch:
+  # Daily at 02:20
+  schedule:
+    - cron: '20 02 * * *'
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.workflow }}
+  cancel-in-progress: false
+
+jobs:
+  check-vars-and-secrets:
+    name: Check vars and secrets
+    uses: ./.github/workflows/_check-vars-and-secrets.yml
+    secrets: inherit
+
+  create-featurenet-from-testnet:
+    needs: [check-vars-and-secrets]
+    name: Create featurenet from testnet
+    uses: ./.github/workflows/featurenet-create.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-updatenet-testnet'
+      ref: 'testnet'
+      expiration: '4h'
+      validators: '8'
+      internal: true
+      short-session: false
+
+  update-featurenet-to-main:
+    needs: [create-featurenet-from-testnet]
+    name: Update featurenet to main
+    uses: ./.github/workflows/featurenet-update.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-updatenet-testnet'
+      ref: 'main'
+      rolling-update-partition: '0'
+      short-session: false
+
+  delete-featurenet:
+    if: ${{ always() }}
+    needs: [update-featurenet-to-main]
+    name: Delete featurenet
+    uses: ./.github/workflows/featurenet-delete.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-updatenet-testnet'
+
+  slack-notification:
+    name: Slack notification
+    runs-on: ubuntu-20.04
+    needs: [delete-featurenet]
+    if: >
+      !cancelled() &&
+      github.event_name != 'workflow_dispatch'
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Send Slack message
+        uses: ./.github/actions/slack-notification
+        with:
+          notify-on: "failure"
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_DEV_ONDUTY }}
diff --git a/.github/workflows/weekly-featurenets-short-session-branch.yml b/.github/workflows/weekly-featurenets-short-session-branch.yml
new file mode 100644
index 00000000..50627281
--- /dev/null
+++ b/.github/workflows/weekly-featurenets-short-session-branch.yml
@@ -0,0 +1,58 @@
+---
+name: Weekly test featurenets create (short session, branch)
+
+on:
+  # At 03:00 on Wednesday
+  schedule:
+    - cron: '0 3 * * 3'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  check-vars-and-secrets:
+    name: Check vars and secrets
+    uses: ./.github/workflows/_check-vars-and-secrets.yml
+    secrets: inherit
+
+  create-featurenet-via-branch:
+    needs: [check-vars-and-secrets]
+    name: Create featurenet from main branch
+    uses: ./.github/workflows/featurenet-create.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-test-main-branch'
+      ref: 'main'
+      expiration: '4h'
+      validators: '7'
+      internal: true
+      short-session: true
+
+  delete-featurenet:
+    if: ${{ always() }}
+    needs: [create-featurenet-via-branch]
+    name: Delete featurenet
+    uses: ./.github/workflows/featurenet-delete.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-test-main-branch'
+
+  slack:
+    name: Slack notification
+    runs-on: ubuntu-20.04
+    needs: [delete-featurenet]
+    if: >
+      !cancelled() &&
+      github.event_name != 'workflow_dispatch'
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Send Slack message
+        uses: ./.github/actions/slack-notification
+        with:
+          notify-on: "failure"
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_DEV_ONDUTY }}
diff --git a/.github/workflows/weekly-featurenets-short-session-full-sha.yml b/.github/workflows/weekly-featurenets-short-session-full-sha.yml
new file mode 100644
index 00000000..26078aac
--- /dev/null
+++ b/.github/workflows/weekly-featurenets-short-session-full-sha.yml
@@ -0,0 +1,58 @@
+---
+name: Weekly test featurenets create (short session, full sha)
+
+on:
+  # At 03:20 on Wednesday
+  schedule:
+    - cron: '20 3 * * 3'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  check-vars-and-secrets:
+    name: Check vars and secrets
+    uses: ./.github/workflows/_check-vars-and-secrets.yml
+    secrets: inherit
+
+  create-featurenet-from-full-sha:
+    needs: [check-vars-and-secrets]
+    name: Create featurenet from full SHA
+    uses: ./.github/workflows/featurenet-create.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-test-full-hash'
+      ref: '787c39186884aaf86ed48f46f575a8cd8cfd13e8'
+      expiration: '2h'
+      validators: '5'
+      internal: true
+      short-session: true
+
+  delete-featurenet:
+    if: ${{ always() }}
+    needs: [create-featurenet-from-full-sha]
+    name: Delete featurenet
+    uses: ./.github/workflows/featurenet-delete.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-test-full-hash'
+
+  slack:
+    name: Slack notification
+    runs-on: ubuntu-20.04
+    needs: [delete-featurenet]
+    if: >
+      !cancelled() &&
+      github.event_name != 'workflow_dispatch'
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Send Slack message
+        uses: ./.github/actions/slack-notification
+        with:
+          notify-on: "failure"
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_DEV_ONDUTY }}
diff --git a/.github/workflows/weekly-featurenets-short-session-tag.yml b/.github/workflows/weekly-featurenets-short-session-tag.yml
new file mode 100644
index 00000000..0716fbfe
--- /dev/null
+++ b/.github/workflows/weekly-featurenets-short-session-tag.yml
@@ -0,0 +1,58 @@
+---
+name: Weekly test featurenets create (short session, tag)
+
+on:
+  # At 03:40 on Wednesday
+  schedule:
+    - cron: '40 3 * * 3'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  check-vars-and-secrets:
+    name: Check vars and secrets
+    uses: ./.github/workflows/_check-vars-and-secrets.yml
+    secrets: inherit
+
+  create-featurenet-from-tag:
+    needs: [check-vars-and-secrets]
+    name: Create featurenet from tag
+    uses: ./.github/workflows/featurenet-create.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-test-tag'
+      ref: 'r-12.2'
+      expiration: '5h'
+      validators: '8'
+      internal: true
+      short-session: true
+
+  delete-featurenet:
+    if: ${{ always() }}
+    needs: [create-featurenet-from-tag]
+    name: Delete featurenet
+    uses: ./.github/workflows/featurenet-delete.yml
+    secrets: inherit
+    with:
+      featurenet-name: 'ops-test-tag'
+
+  slack:
+    name: Slack notification
+    runs-on: ubuntu-20.04
+    needs: [delete-featurenet]
+    if: >
+      !cancelled() &&
+      github.event_name != 'workflow_dispatch'
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Send Slack message
+        uses: ./.github/actions/slack-notification
+        with:
+          notify-on: "failure"
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_DEV_ONDUTY }}