diff --git a/CHANGELOG.md b/CHANGELOG.md
index da102618d8..f794e227f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+# Version 0.10.1 (2020-06-19)
+
+* Release client v0.2.0 [#133](https://github.com/paritytech/substrate-subxt/pull/133)
+
+# Version 0.10.0 (2020-06-19)
+
+* Upgrade to substrate rc4 release [#131](https://github.com/paritytech/substrate-subxt/pull/131)
+* Support unsigned extrinsics. [#130](https://github.com/paritytech/substrate-subxt/pull/130)
+
 # Version 0.9.0 (2020-06-25)
 
 * Events sub [#126](https://github.com/paritytech/substrate-subxt/pull/126)
diff --git a/Cargo.toml b/Cargo.toml
index 4326a10251..1910c4bf3a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = [".", "client", "proc-macro", "test-node"]
 
 [package]
 name = "substrate-subxt"
-version = "0.9.0"
+version = "0.10.1"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
@@ -42,7 +42,7 @@ sp-rpc = { version = "2.0.0-rc4", package = "sp-rpc" }
 sp-core = { version = "2.0.0-rc4", package = "sp-core" }
 sc-rpc-api = { version = "0.8.0-rc4", package = "sc-rpc-api" }
 sp-transaction-pool = { version = "2.0.0-rc4", package = "sp-transaction-pool" }
-substrate-subxt-client = { version = "0.1.0", path = "client", optional = true }
+substrate-subxt-client = { version = "0.2.0", path = "client", optional = true }
 substrate-subxt-proc-macro = { version = "0.9.0", path = "proc-macro" }
 sp-std = "2.0.0-rc4"
 application-crypto = { version = "2.0.0-rc4", package = "sp-application-crypto", default-features = false }
@@ -59,6 +59,6 @@ wabt = "0.9.2"
 frame-system = { version = "2.0.0-rc4", package = "frame-system" }
 pallet-balances = { version = "2.0.0-rc4", package = "pallet-balances" }
 sp-keyring = { version = "2.0.0-rc4", package = "sp-keyring" }
-substrate-subxt-client = { version = "0.1.0", path = "client" }
+substrate-subxt-client = { version = "0.2.0", path = "client" }
 tempdir = "0.3.7"
 test-node = { path = "test-node" }
diff --git a/client/Cargo.toml b/client/Cargo.toml
index 588e11392a..eab144bb3d 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "substrate-subxt-client"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["David Craven <david@craven.ch>", "Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
@@ -20,7 +20,7 @@ log = "0.4.8"
 sc-network = { version = "0.8.0-rc4", default-features = false }
 sc-service = { version = "0.8.0-rc4", default-features = false }
 serde_json = "1.0.55"
-sp-keyring = { version = "2.0.0-rc4", package = "sp-keyring" }
+sp-keyring = "2.0.0-rc4"
 thiserror = "1.0.20"
 
 [dev-dependencies]
diff --git a/client/src/lib.rs b/client/src/lib.rs
index 70b8a3596b..a6c63018aa 100644
--- a/client/src/lib.rs
+++ b/client/src/lib.rs
@@ -213,7 +213,8 @@ fn start_subxt_client<C: ChainSpec + 'static, S: AbstractService>(
                 TaskType::Async => task::spawn(fut),
                 TaskType::Blocking => task::spawn_blocking(|| task::block_on(fut)),
             };
-        }).into(),
+        })
+        .into(),
         database: config.db,
         keystore: KeystoreConfig::InMemory,
         max_runtime_instances: 8,
@@ -243,6 +244,8 @@ fn start_subxt_client<C: ChainSpec + 'static, S: AbstractService>(
         tracing_targets: Default::default(),
         transaction_pool: Default::default(),
         wasm_method: Default::default(),
+        base_path: Default::default(),
+        informant_output_format: Default::default(),
     };
 
     log::info!("{}", service_config.impl_name);
@@ -332,6 +335,7 @@ mod tests {
             test_node::chain_spec::ChainSpec::from_json_bytes(bytes).unwrap();
         let tmp = TempDir::new("subxt-").expect("failed to create tempdir");
         let config = SubxtClientConfig {
+            // base_path:
             impl_name: "substrate-subxt-light-client",
             impl_version: "0.0.1",
             author: "David Craven",
diff --git a/proc-macro/Cargo.toml b/proc-macro/Cargo.toml
index 2256ac0552..c8e050410b 100644
--- a/proc-macro/Cargo.toml
+++ b/proc-macro/Cargo.toml
@@ -28,7 +28,7 @@ async-std = { version = "=1.5.0", features = ["attributes"] }
 codec = { package = "parity-scale-codec", version = "1.3.1", features = ["derive"] }
 env_logger = "0.7.1"
 pretty_assertions = "0.6.1"
-sp-keyring = { version = "2.0.0-rc4", package = "sp-keyring" }
+sp-keyring = "2.0.0-rc4"
 substrate-subxt = { path = ".." }
 trybuild = "1.0.30"
 
diff --git a/src/lib.rs b/src/lib.rs
index 17b7d7a738..dc10523c1a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -312,10 +312,10 @@ impl<T: Runtime> Client<T> {
             .and_then(|module| module.call(C::FUNCTION, call))?)
     }
 
-    /// Creates an unsigned extrinsic.
+    /// Creates an payload for an extrinsic.
     ///
     /// If `nonce` is `None` the nonce will be fetched from the chain.
-    pub async fn create_unsigned<C: Call<T>>(
+    pub async fn create_payload<C: Call<T>>(
         &self,
         call: C,
         account_id: &<T as System>::AccountId,
@@ -340,6 +340,23 @@ impl<T: Runtime> Client<T> {
         Ok(raw_payload)
     }
 
+    /// Creates an unsigned extrinsic.
+    pub async fn create_unsigned<C: Call<T> + Send + Sync>(
+        &self,
+        call: C,
+        account_id: &<T as System>::AccountId,
+        nonce: Option<T::Index>,
+    ) -> Result<UncheckedExtrinsic<T>, Error>
+    where
+        <<T::Extra as SignedExtra<T>>::Extra as SignedExtension>::AdditionalSigned:
+            Send + Sync,
+    {
+        let payload = self.create_payload(call, account_id, nonce).await?;
+        let (call, _, _) = payload.deconstruct();
+        let unsigned = UncheckedExtrinsic::<T>::new_unsigned(call);
+        Ok(unsigned)
+    }
+
     /// Creates a signed extrinsic.
     pub async fn create_signed<C: Call<T> + Send + Sync>(
         &self,
@@ -350,10 +367,10 @@ impl<T: Runtime> Client<T> {
         <<T::Extra as SignedExtra<T>>::Extra as SignedExtension>::AdditionalSigned:
             Send + Sync,
     {
-        let unsigned = self
-            .create_unsigned(call, signer.account_id(), signer.nonce())
+        let payload = self
+            .create_payload(call, signer.account_id(), signer.nonce())
             .await?;
-        let signed = signer.sign(unsigned).await?;
+        let signed = signer.sign(payload).await?;
         Ok(signed)
     }
 
@@ -565,7 +582,7 @@ mod tests {
 
         // create raw payload with AccoundId and sign it
         let raw_payload = client
-            .create_unsigned(
+            .create_payload(
                 balances::TransferCall {
                     to: &dest,
                     amount: 10_000,
diff --git a/src/rpc.rs b/src/rpc.rs
index d640784c46..95e176ae32 100644
--- a/src/rpc.rs
+++ b/src/rpc.rs
@@ -37,7 +37,6 @@ use jsonrpsee::{
     },
     Client,
 };
-use num_traits::bounds::Bounded;
 use sc_rpc_api::state::ReadProof;
 use serde::Serialize;
 use sp_core::{
@@ -82,7 +81,7 @@ pub type ChainBlock<T> =
     SignedBlock<Block<<T as System>::Header, <T as System>::Extrinsic>>;
 
 /// Wrapper for NumberOrHex to allow custom From impls
-#[derive(Serialize, Debug)]
+#[derive(Serialize)]
 pub struct BlockNumber(NumberOrHex);
 
 impl From<NumberOrHex> for BlockNumber {
@@ -151,8 +150,7 @@ impl<T: Runtime> Rpc<T> {
     }
 
     /// Fetch the genesis hash
-    pub async fn genesis_hash(&self) -> Result<T::Hash, Error>
-    {
+    pub async fn genesis_hash(&self) -> Result<T::Hash, Error> {
         let block_zero = Some(ListOrValue::Value(NumberOrHex::Number(0)));
         let params = Params::Array(vec![to_json_value(block_zero)?]);
         let list_or_value: ListOrValue<Option<T::Hash>> =
diff --git a/test-node/Cargo.toml b/test-node/Cargo.toml
index 7e5a9fe6ae..5325a3b634 100644
--- a/test-node/Cargo.toml
+++ b/test-node/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "test-node"
-version = "2.0.0-rc3"
+version = "2.0.0-rc4"
 authors = ["Anonymous"]
 description = "Substrate Node template"
 edition = "2018"
@@ -19,12 +19,12 @@ structopt = "0.3.15"
 parking_lot = "0.11.0"
 
 sc-cli = { version = "0.8.0-rc4", features = ["wasmtime"] }
-sp-core = { version = "2.0.0-rc4", package = "sp-core" }
+sp-core = "2.0.0-rc4"
 sc-executor = { version = "0.8.0-rc4", features = ["wasmtime"] }
 sc-service = { version = "0.8.0-rc4", features = ["wasmtime"] }
 sp-inherents = "2.0.0-rc4"
 sc-transaction-pool = "2.0.0-rc4"
-sp-transaction-pool = { version = "2.0.0-rc4", package = "sp-transaction-pool" }
+sp-transaction-pool = "2.0.0-rc4"
 sc-network = "0.8.0-rc4"
 sc-consensus-aura = "0.8.0-rc4"
 sp-consensus-aura = "0.8.0-rc4"
@@ -33,10 +33,10 @@ sc-consensus = "0.8.0-rc4"
 sc-finality-grandpa = "0.8.0-rc4"
 sp-finality-grandpa = "2.0.0-rc4"
 sc-client-api = "2.0.0-rc4"
-sp-runtime = { version = "2.0.0-rc4", package = "sp-runtime" }
+sp-runtime = "2.0.0-rc4"
 sc-basic-authorship = "0.8.0-rc4"
 
-test-node-runtime = { version = "2.0.0-rc3", path = "runtime" }
+test-node-runtime = { version = "2.0.0-rc4", path = "runtime" }
 
 [build-dependencies]
 substrate-build-script-utils = "2.0.0-rc4"
diff --git a/test-node/runtime/Cargo.toml b/test-node/runtime/Cargo.toml
index 90767f8b08..220b6523bb 100644
--- a/test-node/runtime/Cargo.toml
+++ b/test-node/runtime/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "test-node-runtime"
-version = "2.0.0-rc3"
+version = "2.0.0-rc4"
 authors = ["Anonymous"]
 edition = "2018"
 license = "Unlicense"
@@ -15,7 +15,7 @@ codec = { package = "parity-scale-codec", version = "1.3.1", default-features =
 
 aura = { version = "2.0.0-rc4", default-features = false, package = "pallet-aura" }
 balances = { version = "2.0.0-rc4", default-features = false, package = "pallet-balances" }
-frame-support = { version = "2.0.0-rc4", default-features = false, package = "frame-support" }
+frame-support = { version = "2.0.0-rc4", default-features = false }
 grandpa = { version = "2.0.0-rc4", default-features = false, package = "pallet-grandpa" }
 randomness-collective-flip = { version = "2.0.0-rc4", default-features = false, package = "pallet-randomness-collective-flip" }
 sudo = { version = "2.0.0-rc4", default-features = false, package = "pallet-sudo" }
@@ -27,15 +27,15 @@ serde = { version = "1.0.114", optional = true, features = ["derive"] }
 sp-api = { version = "2.0.0-rc4", default-features = false }
 sp-block-builder = { default-features = false, version = "2.0.0-rc4" }
 sp-consensus-aura = { version = "0.8.0-rc4", default-features = false }
-sp-core = { version = "2.0.0-rc4", default-features = false, package = "sp-core" }
+sp-core = { version = "2.0.0-rc4", default-features = false }
 sp-inherents = { default-features = false, version = "2.0.0-rc4" }
 sp-io = { version = "2.0.0-rc4", default-features = false }
 sp-offchain = { version = "2.0.0-rc4", default-features = false }
-sp-runtime = { version = "2.0.0-rc4", default-features = false, package = "sp-runtime" }
+sp-runtime = { version = "2.0.0-rc4", default-features = false }
 sp-session = { version = "2.0.0-rc4", default-features = false }
 sp-std = { version = "2.0.0-rc4", default-features = false }
-sp-transaction-pool = { version = "2.0.0-rc4", default-features = false, package = "sp-transaction-pool" }
-sp-version = { version = "2.0.0-rc4", default-features = false, package = "sp-version" }
+sp-transaction-pool = { version = "2.0.0-rc4", default-features = false }
+sp-version = { version = "2.0.0-rc4", default-features = false }
 
 [build-dependencies]
 wasm-builder-runner = { version = "1.0.6", package = "substrate-wasm-builder-runner" }
diff --git a/test-node/runtime/src/lib.rs b/test-node/runtime/src/lib.rs
index 978a648842..d8cc5318bd 100644
--- a/test-node/runtime/src/lib.rs
+++ b/test-node/runtime/src/lib.rs
@@ -181,6 +181,8 @@ parameter_types! {
 }
 
 impl system::Trait for Runtime {
+    /// The basic call filter to use in dispatchable.
+    type BaseCallFilter = ();
     /// The identifier used to distinguish between accounts.
     type AccountId = AccountId;
     /// The aggregated dispatch type that is available for extrinsics.
diff --git a/test-node/src/service.rs b/test-node/src/service.rs
index abeb2c8e3a..5aba8d00bb 100644
--- a/test-node/src/service.rs
+++ b/test-node/src/service.rs
@@ -145,7 +145,7 @@ pub fn new_full(config: Configuration) -> Result<impl AbstractService, ServiceEr
             let provider = client as Arc<dyn StorageAndProofProvider<_, _>>;
             Ok(Arc::new(GrandpaFinalityProofProvider::new(backend, provider)) as _)
         })?
-        .build_light()?;
+        .build_full()?;
 
     if role.is_authority() {
         let proposer = sc_basic_authorship::ProposerFactory::new(
@@ -177,19 +177,20 @@ pub fn new_full(config: Configuration) -> Result<impl AbstractService, ServiceEr
 
         // the AURA authoring task is considered essential, i.e. if it
         // fails we take down the service with it.
-        service.spawn_essential_task_handle().spawn("aura", aura);
+        service
+            .spawn_essential_task_handle()
+            .spawn_blocking("aura", aura);
     }
 
     // if the node isn't actively participating in consensus then it doesn't
     // need a keystore, regardless of which protocol we use below.
     let keystore = if role.is_authority() {
-        Some(service.keystore() as _)
+        Some(service.keystore() as sp_core::traits::BareCryptoStorePtr)
     } else {
         None
     };
 
     let grandpa_config = sc_finality_grandpa::Config {
-        // #1578 make this available through chainspec
         gossip_duration: Duration::from_millis(333),
         justification_period: 512,
         name: Some(name),
@@ -219,7 +220,7 @@ pub fn new_full(config: Configuration) -> Result<impl AbstractService, ServiceEr
 
         // the GRANDPA voter task is considered infallible, i.e.
         // if it fails we take down the service with it.
-        service.spawn_essential_task_handle().spawn(
+        service.spawn_essential_task_handle().spawn_blocking(
             "grandpa-voter",
             sc_finality_grandpa::run_grandpa_voter(grandpa_config)?,
         );
@@ -299,5 +300,5 @@ pub fn new_light(config: Configuration) -> Result<impl AbstractService, ServiceE
 			let provider = client as Arc<dyn StorageAndProofProvider<_, _>>;
 			Ok(Arc::new(GrandpaFinalityProofProvider::new(backend, provider)) as _)
 		})?
-		.build_light()
+        .build_light()
 }