diff --git a/.github/workflows/build-publish-images.yml b/.github/workflows/build-publish-images.yml
index 3a9f60761863..874b5d37469c 100644
--- a/.github/workflows/build-publish-images.yml
+++ b/.github/workflows/build-publish-images.yml
@@ -15,7 +15,6 @@ env:
   COMMIT_SHA: ${{ github.event.pull_request.head.sha || github.sha }}
 
 jobs:
-
   #
   #
   #
@@ -24,7 +23,7 @@ jobs:
     if: contains(github.event.label.name, 'GHA-migration') || contains(github.event.pull_request.labels.*.name, 'GHA-migration')
     uses: ./.github/workflows/reusable-preflight.yml
 
-### Build ########################
+  ### Build ########################
 
   #
   #
@@ -240,7 +239,7 @@ jobs:
         with:
           # tldr: we need to checkout the branch HEAD explicitly because of our dynamic versioning approach while building the substrate binary
           # see https://github.com/paritytech/ci_cd/issues/682#issuecomment-1340953589
-          ref:  ${{ github.head_ref || github.ref_name }}
+          ref: ${{ github.head_ref || github.ref_name }}
       - name: build
         run: |
           mkdir -p ./artifacts/substrate/
@@ -299,14 +298,14 @@ jobs:
           path: artifacts.tar
           retention-days: 1
 
-### Publish ########################
+  ### Publish ########################
 
   #
   #
   #
   build-push-image-test-parachain:
     needs: [preflight, build-test-parachain]
-    runs-on: arc-runners-polkadot-sdk
+    runs-on: ${{ needs.preflight.outputs.RUNNER_DEFAULT }}
     timeout-minutes: 60
     steps:
       - name: Checkout
@@ -330,7 +329,7 @@ jobs:
   #
   build-push-image-polkadot-debug:
     needs: [preflight, build-linux-stable]
-    runs-on: arc-runners-polkadot-sdk
+    runs-on: ${{ needs.preflight.outputs.RUNNER_DEFAULT }}
     timeout-minutes: 60
     steps:
       - name: Checkout
@@ -349,13 +348,12 @@ jobs:
           image-name: "europe-docker.pkg.dev/parity-ci-2024/temp-images/polkadot-debug"
           dockerfile: "docker/dockerfiles/polkadot/polkadot_injected_debug.Dockerfile"
 
-
   #
   #
   #
   build-push-image-colander:
     needs: [preflight, build-test-collators]
-    runs-on: arc-runners-polkadot-sdk
+    runs-on: ${{ needs.preflight.outputs.RUNNER_DEFAULT }}
     timeout-minutes: 60
     steps:
       - name: Checkout
@@ -374,13 +372,12 @@ jobs:
           image-name: "europe-docker.pkg.dev/parity-ci-2024/temp-images/colander"
           dockerfile: "docker/dockerfiles/collator_injected.Dockerfile"
 
-
   #
   #
   #
   build-push-image-malus:
     needs: [preflight, build-malus]
-    runs-on: arc-runners-polkadot-sdk
+    runs-on: ${{ needs.preflight.outputs.RUNNER_DEFAULT }}
     timeout-minutes: 60
     steps:
       - name: Checkout
@@ -399,13 +396,12 @@ jobs:
           image-name: "europe-docker.pkg.dev/parity-ci-2024/temp-images/malus"
           dockerfile: "docker/dockerfiles/malus_injected.Dockerfile"
 
-
   #
   #
   #
   build-push-image-substrate-pr:
     needs: [preflight, build-linux-substrate]
-    runs-on: arc-runners-polkadot-sdk
+    runs-on: ${{ needs.preflight.outputs.RUNNER_DEFAULT }}
     timeout-minutes: 60
     steps:
       - name: Checkout
@@ -424,15 +420,20 @@ jobs:
           image-name: "europe-docker.pkg.dev/parity-ci-2024/temp-images/substrate"
           dockerfile: "docker/dockerfiles/substrate_injected.Dockerfile"
 
-
   #
   #
   #
   # unlike other images, bridges+zombienet image is based on Zombienet image that pulls required binaries
   # from other fresh images (polkadot and cumulus)
   build-push-image-bridges-zombienet-tests:
-    needs: [preflight, build-linux-stable, build-linux-stable-cumulus, prepare-bridges-zombienet-artifacts]
-    runs-on: arc-runners-polkadot-sdk
+    needs:
+      [
+        preflight,
+        build-linux-stable,
+        build-linux-stable-cumulus,
+        prepare-bridges-zombienet-artifacts,
+      ]
+    runs-on: ${{ needs.preflight.outputs.RUNNER_DEFAULT }}
     timeout-minutes: 60
     steps:
       - name: Checkout
@@ -443,24 +444,24 @@ jobs:
           name: build-linux-stable-${{ needs.preflight.outputs.SOURCE_REF_NAME }}
       - name: tar
         run: |
-         tar -xvf artifacts.tar
-         rm artifacts.tar
+          tar -xvf artifacts.tar
+          rm artifacts.tar
 
       - uses: actions/download-artifact@v4.1.8
         with:
           name: build-linux-stable-cumulus-${{ needs.preflight.outputs.SOURCE_REF_NAME }}
       - name: tar
         run: |
-         tar -xvf artifacts.tar
-         rm artifacts.tar
+          tar -xvf artifacts.tar
+          rm artifacts.tar
 
       - uses: actions/download-artifact@v4.1.8
         with:
           name: prepare-bridges-zombienet-artifacts-${{ needs.preflight.outputs.SOURCE_REF_NAME }}
       - name: tar
         run: |
-         tar -xvf artifacts.tar
-         rm artifacts.tar
+          tar -xvf artifacts.tar
+          rm artifacts.tar
 
       - name: build and push image
         uses: ./.github/actions/build-push-image
@@ -468,13 +469,12 @@ jobs:
           image-name: "europe-docker.pkg.dev/parity-ci-2024/temp-images/bridges-zombienet-tests"
           dockerfile: "docker/dockerfiles/bridges_zombienet_tests_injected.Dockerfile"
 
-
   #
   #
   #
   build-push-image-polkadot-parachain-debug:
     needs: [preflight, build-linux-stable-cumulus]
-    runs-on: arc-runners-polkadot-sdk
+    runs-on: ${{ needs.preflight.outputs.RUNNER_DEFAULT }}
     timeout-minutes: 60
     steps:
       - name: Checkout
@@ -491,4 +491,4 @@ jobs:
         uses: ./.github/actions/build-push-image
         with:
           image-name: "europe-docker.pkg.dev/parity-ci-2024/temp-images/polkadot-parachain-debug"
-          dockerfile: "docker/dockerfiles/polkadot-parachain/polkadot-parachain-debug_unsigned_injected.Dockerfile"
\ No newline at end of file
+          dockerfile: "docker/dockerfiles/polkadot-parachain/polkadot-parachain-debug_unsigned_injected.Dockerfile"
diff --git a/.github/workflows/check-getting-started.yml b/.github/workflows/check-getting-started.yml
index b43db33c63bf..0661fa144348 100644
--- a/.github/workflows/check-getting-started.yml
+++ b/.github/workflows/check-getting-started.yml
@@ -6,7 +6,7 @@ name: Check the getting-started.sh script
 #
 # There are two jobs inside.
 # One for systems that can run in a docker container, and one for macOS.
-# 
+#
 # Each job consists of:
 # 1. Some necessary prerequisites for the workflow itself.
 # 2. A first pass of the script, which will install dependencies and clone a template.
@@ -24,10 +24,10 @@ name: Check the getting-started.sh script
 on:
   pull_request:
     paths:
-      - '.github/workflows/check-getting-started.yml'
-      - 'scripts/getting-started.sh'
+      - ".github/workflows/check-getting-started.yml"
+      - "scripts/getting-started.sh"
   schedule:
-    - cron: '0 5 * * *'
+    - cron: "0 5 * * *"
   workflow_dispatch:
 
 concurrency:
@@ -60,7 +60,7 @@ jobs:
             container: opensuse/tumbleweed
             template: solochain
             shell: sh
-    runs-on: arc-runners-polkadot-sdk-beefy
+    runs-on: parity-large
     container: ${{ matrix.container }}:latest
     steps:
       # A minimal amount of prerequisites required before we can run the actual getting-started script,
@@ -116,7 +116,7 @@ jobs:
           expect "start with one of the templates" {
             send "y\r"
           }
-          
+
           expect -re "(.)\\) ${{ matrix.template }} template" {
             send "$expect_out(1,string)\r"
           }
@@ -150,7 +150,7 @@ jobs:
           expect "start with one of the templates" {
             send "y\r"
           }
-          
+
           expect -re "(.)\\) ${{ matrix.template }} template" {
             send "$expect_out(1,string)\r"
             expect "directory already exists" {}
@@ -227,7 +227,7 @@ jobs:
           expect "start with one of the templates" {
             send "y\r"
           }
-          
+
           expect -re "(.)\\) ${{ matrix.template }} template" {
             send "$expect_out(1,string)\r"
           }
@@ -267,7 +267,7 @@ jobs:
           expect "start with one of the templates" {
             send "y\r"
           }
-          
+
           expect -re "(.)\\) ${{ matrix.template }} template" {
             send "$expect_out(1,string)\r"
             expect "directory already exists" {}
diff --git a/.github/workflows/tests-misc.yml b/.github/workflows/tests-misc.yml
index 45ed4ebdc6cb..4355cd0a9f87 100644
--- a/.github/workflows/tests-misc.yml
+++ b/.github/workflows/tests-misc.yml
@@ -157,7 +157,6 @@ jobs:
   node-bench-regression-guard:
     timeout-minutes: 20
     if: always() && !cancelled()
-    # runs-on: arc-runners-polkadot-sdk
     runs-on: ubuntu-latest
     needs: [preflight, cargo-check-benches]
     steps:
diff --git a/docs/contributor/weight-generation.md b/docs/contributor/weight-generation.md
index ebfdca59cae5..77a570c94530 100644
--- a/docs/contributor/weight-generation.md
+++ b/docs/contributor/weight-generation.md
@@ -3,7 +3,7 @@
 To generate weights for a runtime.
 Weights generation is using self-hosted runner which is provided by Parity CI, the rest commands are using standard
 GitHub runners on `ubuntu-latest` or `ubuntu-20.04`.
-Self-hosted runner for benchmarks (arc-runners-Polkadot-sdk-benchmark) is configured to meet requirements of reference
+Self-hosted runner for benchmarks (`parity-weights`) is configured to meet requirements of reference
 hardware for running validators
 https://wiki.polkadot.network/docs/maintain-guides-how-to-validate-polkadot#reference-hardware