diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index acef44cb7a..784a34e23e 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -22,6 +22,169 @@ env:
     WASM_BINDGEN_TEST_TIMEOUT: 60
 
 jobs:
+    check:
+        name: Cargo check
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout sources
+              uses: actions/checkout@v4
+
+            - name: Use substrate-node binary
+              uses: ./.github/workflows/actions/use-substrate
+
+            - name: Install Rust stable toolchain
+              uses: actions-rs/toolchain@v1
+              with:
+                  profile: minimal
+                  toolchain: stable
+                  override: true
+
+            - name: Rust Cache
+              uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+
+            - name: Install cargo-hack
+              uses: baptiste0928/cargo-install@v2
+              with:
+                  crate: cargo-hack
+                  version: 0.5
+
+            # A basic check over all targets together. This may lead to features being combined etc,
+            # and doesn't test combinations of different features.
+            - name: Cargo check all targets.
+              run: cargo check --all-targets
+
+            # Next, check subxt features.
+            # - `native` feature must always be enabled
+            # - `web` feature is always ignored.
+            # - This means, don't check --no-default-features and don't try enabling --all-features; both will fail
+            - name: Cargo hack; check each subxt feature
+              run: cargo hack -p subxt --each-feature check --exclude-no-default-features --exclude-all-features --exclude-features web --features native
+
+            # Subxt-signer has the "subxt" features enabled in the "check all targets" test. Run it on its own to
+            # check it without. We can't enable subxt or web features here, so no cargo hack.
+            - name: Cargo check subxt-signer
+              run: |
+                  cargo check -p subxt-signer
+                  cargo check -p subxt-signer --no-default-features --features sr25519,native
+                  cargo check -p subxt-signer --no-default-features --features ecdsa,native
+
+            # We can't enable web features here, so no cargo hack.
+            - name: Cargo check subxt-lightclient
+              run: cargo check -p subxt-lightclient
+
+            # Next, check each other package in isolation.
+            - name: Cargo hack; check each feature/crate on its own
+              run: cargo hack --exclude subxt --exclude subxt-signer --exclude subxt-lightclient --exclude-all-features --each-feature check --workspace
+
+            # Check the parachain-example code, which isn't a part of the workspace so is otherwise ignored.
+            - name: Cargo check parachain-example
+              run: cargo check --manifest-path examples/parachain-example/Cargo.toml
+
+    wasm_check:
+        name: Cargo check (WASM)
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout sources
+              uses: actions/checkout@v4
+
+            - name: Install Rust stable toolchain
+              uses: actions-rs/toolchain@v1
+              with:
+                  profile: minimal
+                  toolchain: stable
+                  target: wasm32-unknown-unknown
+                  override: true
+
+            - name: Rust Cache
+              uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+
+            # Check WASM examples, which aren't a part of the workspace and so are otherwise missed:
+            - name: Cargo check WASM examples
+              run: |
+                  cargo check --manifest-path examples/wasm-example/Cargo.toml --target wasm32-unknown-unknown
+
+    fmt:
+        name: Cargo fmt
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout sources
+              uses: actions/checkout@v4
+
+            - name: Install Rust nightly toolchain
+              uses: actions-rs/toolchain@v1
+              with:
+                  profile: minimal
+                  toolchain: stable
+                  override: true
+                  components: rustfmt
+
+            - name: Rust Cache
+              uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+
+            - name: Cargo fmt
+              uses: actions-rs/cargo@v1.0.3
+              with:
+                  command: fmt
+                  args: --all -- --check
+
+    docs:
+        name: Check documentation and run doc tests
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout sources
+              uses: actions/checkout@v4
+
+            - name: Use substrate-node binary
+              uses: ./.github/workflows/actions/use-substrate
+
+            - name: Install Rust stable toolchain
+              uses: actions-rs/toolchain@v1
+              with:
+                  profile: minimal
+                  toolchain: stable
+                  override: true
+
+            - name: Rust Cache
+              uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+
+            - name: Check internal documentation links
+              run: RUSTDOCFLAGS="--deny rustdoc::broken_intra_doc_links" cargo doc -vv --workspace --no-deps --document-private-items
+
+            - name: Run cargo test on documentation
+              uses: actions-rs/cargo@v1.0.3
+              with:
+                  command: test
+                  args: --doc
+
+    tests:
+        name: "Test (Native)"
+        runs-on: ubuntu-latest-16-cores
+        steps:
+            - name: Checkout sources
+              uses: actions/checkout@v4
+
+            - name: Use substrate-node binary
+              uses: ./.github/workflows/actions/use-substrate
+
+            - name: Install Rust stable toolchain
+              uses: actions-rs/toolchain@v1
+              with:
+                  profile: minimal
+                  toolchain: stable
+                  override: true
+
+            - name: Rust Cache
+              uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+
+            - name: Install cargo-nextest
+              run: cargo install cargo-nextest
+
+            - name: Run tests
+              uses: actions-rs/cargo@v1.0.3
+              with:
+                  command: nextest
+                  args: run --workspace
+
     unstable_backend_tests:
         name: "Test (Unstable Backend)"
         runs-on: ubuntu-latest-16-cores
@@ -50,3 +213,135 @@ jobs:
               with:
                   command: nextest
                   args: run --workspace --features unstable-backend-client --no-capture
+
+    light_client_tests:
+        name: "Test (Light Client)"
+        runs-on: ubuntu-latest-16-cores
+        timeout-minutes: 25
+        steps:
+            - name: Checkout sources
+              uses: actions/checkout@v4
+
+            - name: Use substrate-node binary
+              uses: ./.github/workflows/actions/use-substrate
+
+            - name: Install Rust stable toolchain
+              uses: actions-rs/toolchain@v1
+              with:
+                  profile: minimal
+                  toolchain: stable
+                  override: true
+
+            - name: Rust Cache
+              uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+
+            - name: Run tests
+              uses: actions-rs/cargo@v1.0.3
+              with:
+                  command: test
+                  args: --release --package integration-tests --features unstable-light-client
+
+    wasm_tests:
+        name: Test (WASM)
+        runs-on: ubuntu-latest
+        env:
+            # Set timeout for wasm tests to be much bigger than the default 20 secs.
+            WASM_BINDGEN_TEST_TIMEOUT: 300
+
+        steps:
+            - uses: actions/checkout@v4
+
+            - name: Install wasm-pack
+              run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+
+            - name: Install firefox
+              uses: browser-actions/setup-firefox@latest
+
+            - name: Install chrome
+              uses: browser-actions/setup-chrome@latest
+
+            - name: Rust Cache
+              uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+
+            - name: Use substrate-node binary
+              uses: ./.github/workflows/actions/use-substrate
+
+            - name: Run subxt WASM tests
+              run: |
+                  # `listen-addr` is used to configure p2p to accept websocket connections instead of TCP.
+                  # `node-key` provides a deterministic p2p address.
+                  substrate-node --dev --node-key 0000000000000000000000000000000000000000000000000000000000000001 --listen-addr /ip4/0.0.0.0/tcp/30333/ws > /dev/null 2>&1 &
+                  wasm-pack test --headless --firefox
+                  wasm-pack test --headless --chrome
+                  pkill substrate-node
+              working-directory: testing/wasm-rpc-tests
+
+            - name: Run subxt-lightclient WASM tests
+              run: |
+                  # `listen-addr` is used to configure p2p to accept websocket connections instead of TCP.
+                  # `node-key` provides a deterministic p2p address.
+                  substrate-node --dev --node-key 0000000000000000000000000000000000000000000000000000000000000001 --listen-addr /ip4/0.0.0.0/tcp/30333/ws > /dev/null 2>&1 &
+                  wasm-pack test --headless --firefox
+                  wasm-pack test --headless --chrome
+                  pkill substrate-node
+              working-directory: testing/wasm-lightclient-tests
+
+            - name: Run subxt-signer WASM tests
+              run: |
+                  wasm-pack test --headless --firefox
+                  wasm-pack test --headless --chrome
+              working-directory: signer/wasm-tests
+
+    clippy:
+        name: Cargo clippy
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout sources
+              uses: actions/checkout@v4
+
+            - name: Use substrate-node binary
+              uses: ./.github/workflows/actions/use-substrate
+
+            - name: Install Rust stable toolchain
+              uses: actions-rs/toolchain@v1
+              with:
+                  profile: minimal
+                  toolchain: stable
+                  components: clippy
+                  override: true
+
+            - name: Rust Cache
+              uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+
+            - name: Run clippy
+              uses: actions-rs/cargo@v1
+              with:
+                  command: clippy
+                  args: --all-targets -- -D warnings
+    machete:
+        name: "Check unused dependencies"
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout sources
+              uses: actions/checkout@v4
+
+            - name: Use substrate-node binary
+              uses: ./.github/workflows/actions/use-substrate
+
+            - name: Install Rust stable toolchain
+              uses: actions-rs/toolchain@v1
+              with:
+                  profile: minimal
+                  toolchain: stable
+                  override: true
+
+            - name: Rust Cache
+              uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+
+            - name: Install cargo-machete
+              run: cargo install cargo-machete
+
+            - name: Check unused dependencies
+              uses: actions-rs/cargo@v1.0.3
+              with:
+                  command: machete