--- a/.docker/Dockerfile-parachain-upgrade-data
+++ b/.docker/Dockerfile-parachain-upgrade-data
@@ -108,9 +108,9 @@
 COPY --from=builder-polkadot /unique_parachain/polkadot/target/release/polkadot /polkadot/target/release/
 COPY --from=builder-polkadot /unique_parachain/polkadot/target/release/wbuild/westend-runtime/westend_runtime.compact.compressed.wasm /polkadot/target/release/wbuild/westend-runtime/westend_runtime.compact.compressed.wasm
 
-ARG FORK_FROM=
-ENV FORK_FROM=$FORK_FROM
-CMD export NVM_DIR="$HOME/.nvm" PATH="$PATH:/chainql/target/release" FORK_FROM && \
+ARG REPLICA_FROM=
+ENV REPLICA_FROM=$REPLICA_FROM
+CMD export NVM_DIR="$HOME/.nvm" PATH="$PATH:/chainql/target/release" REPLICA_FROM && \
     [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" && \
     cd /polkadot-launch && \
     yarn start launch-config.json --test-upgrade-parachains
--- a/.docker/Dockerfile-try-runtime
+++ b/.docker/Dockerfile-try-runtime
@@ -34,17 +34,17 @@
 
 ARG PROFILE=release
 ARG FEATURE=
-ARG FORK_FROM=
+ARG REPLICA_FROM=
 ENV FEATURE $FEATURE
-ENV FORK_FROM $FORK_FROM
+ENV REPLICA_FROM $REPLICA_FROM
 
 COPY . /unique_parachain
 WORKDIR /unique_parachain
 
 
 RUN echo "Requested features: $FEATURE\n" && \
-    echo "Fork from: $FORK_FROM\n" && \
+    echo "Fork from: $REPLICA_FROM\n" && \
     cargo build --features=$FEATURE --release
     
 
-CMD cargo run --features=$FEATURE --release -- try-runtime on-runtime-upgrade live --uri $FORK_FROM
+CMD cargo run --features=$FEATURE --release -- try-runtime on-runtime-upgrade live --uri $REPLICA_FROM
--- a/.docker/docker-compose.tmp-forkless-data.j2
+++ b/.docker/docker-compose.tmp-forkless-data.j2
@@ -12,7 +12,7 @@
         - "POLKADOT_BUILD_BRANCH={{ POLKADOT_BUILD_BRANCH }}"
         - "MAINNET_TAG={{ MAINNET_TAG }}"
         - "MAINNET_BRANCH={{ MAINNET_BRANCH }}"
-        - "FORK_FROM={{ FORK_FROM }}"
+        - "REPLICA_FROM={{ REPLICA_FROM }}"
       context: ../
       dockerfile: .docker/Dockerfile-parachain-upgrade-data
     image: node-parachain
--- a/.docker/docker-compose.try-runtime.j2
+++ b/.docker/docker-compose.try-runtime.j2
@@ -6,5 +6,5 @@
       args:
         - "RUST_TOOLCHAIN={{ RUST_TOOLCHAIN }}"
         - "FEATURE={{ FEATURE }}"
-        - "FORK_FROM={{ FORK_FROM }}"
+        - "REPLICA_FROM={{ REPLICA_FROM }}"
 
--- a/.docker/forkless-config/launch-config-forkless-data.j2
+++ b/.docker/forkless-config/launch-config-forkless-data.j2
@@ -93,9 +93,9 @@
             "balance": "1000000000000000000000000",
             "chainRawInitializer": [
                 "chainql",
-                "--ext-str=FORK_FROM",
+                "--ext-str=REPLICA_FROM",
                 "--tla-code=rawSpec=import '${rawSpec}'",
-                "--tla-code=forkFrom=std.extVar('FORK_FROM')",
+                "--tla-code=forkFrom=std.extVar('REPLICA_FROM')",
                 "fork.jsonnet"
             ],
             "nodes": [
--- a/.env
+++ b/.env
@@ -7,6 +7,6 @@
 KUSAMA_MAINNET_BRANCH=release-v0.9.26
 QUARTZ_MAINNET_TAG=quartz-v924012-2
 
-OPAL_FORK_FROM=wss://eu-ws-opal.unique.network:443
-QUARTZ_FORK_FROM=wss://eu-ws-quartz.unique.network:443
-UNIQUE_FORK_FROM=wss://eu-ws.unique.network:443
+OPAL_REPLICA_FROM=wss://eu-ws-opal.unique.network:443
+QUARTZ_REPLICA_FROM=wss://eu-ws-quartz.unique.network:443
+UNIQUE_REPLICA_FROM=wss://eu-ws.unique.network:443
--- a/.github/workflows/codestyle.yml
+++ b/.github/workflows/codestyle.yml
@@ -37,16 +37,20 @@
         if: github.event.pull_request.draft == true
         run: exit 1
 
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - name: Install latest nightly
         uses: actions-rs/toolchain@v1
         with:
             toolchain: nightly
             default: true
             target: wasm32-unknown-unknown
-            components: rustfmt, clippy
+            components: rustfmt, clippy 
       - name: Run cargo fmt
-        run: cargo fmt -- --check
+        run: cargo fmt -- --check   # In that mode it returns only exit code.
+      - name: Cargo fmt state
+        if: success()
+        run: echo "Nothing to do. Cargo fmt returned exit code 0."
+
 
   clippy:
     if: ${{ false }}
--- a/.github/workflows/forkless-update-data.yml
+++ b/.github/workflows/forkless-update-data.yml
@@ -52,9 +52,9 @@
         id: create_matrix
         with:
           matrix: |
-            network {opal}, runtime {opal}, features {opal-runtime}, mainnet_branch {${{ env.QUARTZ_MAINNET_TAG }}}, fork_from_address {${{ env.OPAL_FORK_FROM }}}
-            network {quartz}, runtime {quartz}, features {quartz-runtime}, mainnet_branch {${{ env.QUARTZ_MAINNET_TAG }}}, fork_from_address {${{ env.QUARTZ_FORK_FROM }}}
-            network {unique}, runtime {unique}, features {unique-runtime}, mainnet_branch {${{ env.UNIQUE_MAINNET_TAG }}}, fork_from_address {${{ env.UNIQUE_FORK_FROM }}}
+            network {opal}, runtime {opal}, features {opal-runtime}, mainnet_branch {${{ env.QUARTZ_MAINNET_TAG }}}, replica_from_address {${{ env.OPAL_REPLICA_FROM }}}
+            network {quartz}, runtime {quartz}, features {quartz-runtime}, mainnet_branch {${{ env.QUARTZ_MAINNET_TAG }}}, replica_from_address {${{ env.QUARTZ_REPLICA_FROM }}}
+            network {unique}, runtime {unique}, features {unique-runtime}, mainnet_branch {${{ env.UNIQUE_MAINNET_TAG }}}, replica_from_address {${{ env.UNIQUE_REPLICA_FROM }}}
 
 
 
@@ -120,7 +120,7 @@
             FEATURE=${{ matrix.features }}
             RUNTIME=${{ matrix.runtime }}
             BRANCH=${{ github.head_ref }}
-            FORK_FROM=${{ matrix.fork_from_address }}
+            REPLICA_FROM=${{ matrix.replica_from_address }}
 
       - name: Show build configuration
         run: cat .docker/docker-compose.${{ matrix.network }}.yml
--- a/.github/workflows/try-runtime.yml
+++ b/.github/workflows/try-runtime.yml
@@ -38,13 +38,13 @@
         include:
           - network: opal
             features: try-runtime,opal-runtime
-            fork_from_address: wss://eu-ws-opal.unique.network:443
+            replica_from_address: wss://eu-ws-opal.unique.network:443
           - network: quartz
             features: try-runtime,quartz-runtime
-            fork_from_address: wss://eu-ws-quartz.unique.network:443
+            replica_from_address: wss://eu-ws-quartz.unique.network:443
           - network: unique
             features: try-runtime,unique-runtime
-            fork_from_address: wss://eu-ws.unique.network:443
+            replica_from_address: wss://eu-ws.unique.network:443
 
     steps:
       - name: Skip if pull request is in Draft
@@ -85,7 +85,7 @@
           variables: |
             RUST_TOOLCHAIN=${{ env.RUST_TOOLCHAIN }}
             FEATURE=${{ matrix.features }}
-            FORK_FROM=${{ matrix.fork_from_address }}
+            REPLICA_FROM=${{ matrix.replica_from_address }}
 
       - name: Show build configuration
         run: cat .docker/docker-compose.try-runtime.${{ matrix.network }}.yml