diff --git a/integration-tests/emulated/chains/relays/kusama/src/lib.rs b/integration-tests/emulated/chains/relays/kusama/src/lib.rs
index 2ac67cdc25..42d8f214ca 100644
--- a/integration-tests/emulated/chains/relays/kusama/src/lib.rs
+++ b/integration-tests/emulated/chains/relays/kusama/src/lib.rs
@@ -24,7 +24,7 @@ use emulated_integration_tests_common::{
 
 // Kusama declaration
 decl_test_relay_chains! {
-	#[api_version(10)]
+	#[api_version(11)]
 	pub struct Kusama {
 		genesis = genesis::genesis(),
 		on_init = (),
diff --git a/integration-tests/emulated/chains/relays/polkadot/src/lib.rs b/integration-tests/emulated/chains/relays/polkadot/src/lib.rs
index f207c1dab6..d43ed10aef 100644
--- a/integration-tests/emulated/chains/relays/polkadot/src/lib.rs
+++ b/integration-tests/emulated/chains/relays/polkadot/src/lib.rs
@@ -24,7 +24,7 @@ use emulated_integration_tests_common::{
 
 // Polkadot declaration
 decl_test_relay_chains! {
-	#[api_version(10)]
+	#[api_version(11)]
 	pub struct Polkadot {
 		genesis = genesis::genesis(),
 		on_init = (),
diff --git a/relay/kusama/src/lib.rs b/relay/kusama/src/lib.rs
index ac1dac0f79..97d21966aa 100644
--- a/relay/kusama/src/lib.rs
+++ b/relay/kusama/src/lib.rs
@@ -25,7 +25,7 @@ use frame_support::weights::constants::{WEIGHT_PROOF_SIZE_PER_KB, WEIGHT_REF_TIM
 use pallet_nis::WithMaximumOf;
 use polkadot_primitives::{
 	slashing, AccountId, AccountIndex, ApprovalVotingParams, Balance, BlockNumber, CandidateEvent,
-	CandidateHash, CommittedCandidateReceipt, CoreState, DisputeState, ExecutorParams,
+	CandidateHash, CommittedCandidateReceipt, CoreIndex, CoreState, DisputeState, ExecutorParams,
 	GroupRotationInfo, Hash, Id as ParaId, InboundDownwardMessage, InboundHrmpMessage, Moment,
 	NodeFeatures, Nonce, OccupiedCoreAssumption, PersistedValidationData, ScrapedOnChainVotes,
 	SessionInfo, Signature, ValidationCode, ValidationCodeHash, ValidatorId, ValidatorIndex,
@@ -42,7 +42,11 @@ use polkadot_runtime_common::{
 	U256ToBalance,
 };
 use scale_info::TypeInfo;
-use sp_std::{cmp::Ordering, collections::btree_map::BTreeMap, prelude::*};
+use sp_std::{
+	cmp::Ordering,
+	collections::{btree_map::BTreeMap, vec_deque::VecDeque},
+	prelude::*,
+};
 
 use runtime_parachains::{
 	assigner_coretime as parachains_assigner_coretime,
@@ -1208,7 +1212,8 @@ impl InstanceFilter<RuntimeCall> for ProxyType {
 				matches!(
 					c,
 					RuntimeCall::Staking(..) |
-						RuntimeCall::Session(..) | RuntimeCall::Utility(..) |
+						RuntimeCall::Session(..) |
+						RuntimeCall::Utility(..) |
 						RuntimeCall::FastUnstake(..) |
 						RuntimeCall::VoterList(..) |
 						RuntimeCall::NominationPools(..)
@@ -2169,7 +2174,7 @@ sp_api::impl_runtime_apis! {
 		}
 	}
 
-	#[api_version(10)]
+	#[api_version(11)]
 	impl polkadot_primitives::runtime_api::ParachainHost<Block> for Runtime {
 		fn validators() -> Vec<ValidatorId> {
 			parachains_runtime_api_impl::validators::<Runtime>()
@@ -2215,6 +2220,7 @@ sp_api::impl_runtime_apis! {
 		}
 
 		fn candidate_pending_availability(para_id: ParaId) -> Option<CommittedCandidateReceipt<Hash>> {
+			#[allow(deprecated)]
 			parachains_runtime_api_impl::candidate_pending_availability::<Runtime>(para_id)
 		}
 
@@ -2324,6 +2330,14 @@ sp_api::impl_runtime_apis! {
 		fn approval_voting_params() -> ApprovalVotingParams {
 			parachains_runtime_api_impl::approval_voting_params::<Runtime>()
 		}
+
+		fn claim_queue() -> BTreeMap<CoreIndex, VecDeque<ParaId>> {
+			parachains_vstaging_api_impl::claim_queue::<Runtime>()
+		}
+
+		fn candidates_pending_availability(para_id: ParaId) -> Vec<CommittedCandidateReceipt<Hash>> {
+			parachains_vstaging_api_impl::candidates_pending_availability::<Runtime>(para_id)
+		}
 	}
 
 	impl beefy_primitives::BeefyApi<Block, BeefyId> for Runtime {
diff --git a/relay/polkadot/src/lib.rs b/relay/polkadot/src/lib.rs
index 0444061c1b..3a79333233 100644
--- a/relay/polkadot/src/lib.rs
+++ b/relay/polkadot/src/lib.rs
@@ -75,7 +75,7 @@ use pallet_session::historical as session_historical;
 use pallet_transaction_payment::{FeeDetails, RuntimeDispatchInfo};
 use polkadot_primitives::{
 	slashing, AccountId, AccountIndex, ApprovalVotingParams, Balance, BlockNumber, CandidateEvent,
-	CandidateHash, CommittedCandidateReceipt, CoreState, DisputeState, ExecutorParams,
+	CandidateHash, CommittedCandidateReceipt, CoreIndex, CoreState, DisputeState, ExecutorParams,
 	GroupRotationInfo, Hash, Id as ParaId, InboundDownwardMessage, InboundHrmpMessage, Moment,
 	NodeFeatures, Nonce, OccupiedCoreAssumption, PersistedValidationData, ScrapedOnChainVotes,
 	SessionInfo, Signature, ValidationCode, ValidationCodeHash, ValidatorId, ValidatorIndex,
@@ -95,7 +95,11 @@ use sp_runtime::{
 	RuntimeAppPublic, RuntimeDebug,
 };
 use sp_staking::SessionIndex;
-use sp_std::{cmp::Ordering, collections::btree_map::BTreeMap, prelude::*};
+use sp_std::{
+	cmp::Ordering,
+	collections::{btree_map::BTreeMap, vec_deque::VecDeque},
+	prelude::*,
+};
 #[cfg(any(feature = "std", test))]
 use sp_version::NativeVersion;
 use sp_version::RuntimeVersion;
@@ -1242,7 +1246,8 @@ impl InstanceFilter<RuntimeCall> for ProxyType {
 				matches!(
 					c,
 					RuntimeCall::Staking(..) |
-						RuntimeCall::Session(..) | RuntimeCall::Utility(..) |
+						RuntimeCall::Session(..) |
+						RuntimeCall::Utility(..) |
 						RuntimeCall::FastUnstake(..) |
 						RuntimeCall::VoterList(..) |
 						RuntimeCall::NominationPools(..)
@@ -2089,7 +2094,7 @@ sp_api::impl_runtime_apis! {
 		}
 	}
 
-	#[api_version(10)]
+	#[api_version(11)]
 	impl polkadot_primitives::runtime_api::ParachainHost<Block> for Runtime {
 		fn validators() -> Vec<ValidatorId> {
 			parachains_runtime_api_impl::validators::<Runtime>()
@@ -2135,6 +2140,7 @@ sp_api::impl_runtime_apis! {
 		}
 
 		fn candidate_pending_availability(para_id: ParaId) -> Option<CommittedCandidateReceipt<Hash>> {
+			#[allow(deprecated)]
 			parachains_runtime_api_impl::candidate_pending_availability::<Runtime>(para_id)
 		}
 
@@ -2244,6 +2250,14 @@ sp_api::impl_runtime_apis! {
 		fn approval_voting_params() -> ApprovalVotingParams {
 			parachains_runtime_api_impl::approval_voting_params::<Runtime>()
 		}
+
+		fn claim_queue() -> BTreeMap<CoreIndex, VecDeque<ParaId>> {
+			parachains_vstaging_api_impl::claim_queue::<Runtime>()
+		}
+
+		fn candidates_pending_availability(para_id: ParaId) -> Vec<CommittedCandidateReceipt<Hash>> {
+			parachains_vstaging_api_impl::candidates_pending_availability::<Runtime>(para_id)
+		}
 	}
 
 	impl beefy_primitives::BeefyApi<Block, BeefyId> for Runtime {