diff --git a/consensus/proto_array/src/proto_array.rs b/consensus/proto_array/src/proto_array.rs
index f7203c688f..1d98422b1a 100644
--- a/consensus/proto_array/src/proto_array.rs
+++ b/consensus/proto_array/src/proto_array.rs
@@ -685,7 +685,7 @@ impl ProtoArray {
     /// Returns `true` if the proposer boost should be kept. Returns `false` if the
     /// boost should be subtracted (invalidated) because the parent is weak and there
     /// are no equivocating blocks at the parent's slot.
-    fn should_apply_proposer_boost<E: EthSpec>(
+    pub(crate) fn should_apply_proposer_boost<E: EthSpec>(
         &self,
         proposer_boost_root: Hash256,
         justified_balances: &JustifiedBalances,
@@ -1328,7 +1328,7 @@ impl ProtoArray {
 
     /// Spec: `get_weight`.
     #[allow(clippy::too_many_arguments)]
-    fn get_weight<E: EthSpec>(
+    pub(crate) fn get_weight<E: EthSpec>(
         &self,
         fc_node: &IndexedForkChoiceNode,
         proto_node: &ProtoNode,
diff --git a/consensus/proto_array/src/proto_array_fork_choice.rs b/consensus/proto_array/src/proto_array_fork_choice.rs
index 4112168455..e54ef1f835 100644
--- a/consensus/proto_array/src/proto_array_fork_choice.rs
+++ b/consensus/proto_array/src/proto_array_fork_choice.rs
@@ -1089,7 +1089,10 @@ impl ProtoArrayForkChoice {
         current_slot: Slot,
         justified_checkpoint: Checkpoint,
         finalized_checkpoint: Checkpoint,
-    ) -> Result<Vec<(Hash256, u64)>, String> {
+        proposer_boost_root: Hash256,
+        justified_balances: &JustifiedBalances,
+        spec: &ChainSpec,
+    ) -> Result<Vec<(Hash256, PayloadStatus, u64)>, String> {
         let start_index = self
             .proto_array
             .indices
@@ -1107,6 +1110,12 @@ impl ProtoArrayForkChoice {
             justified_checkpoint,
             finalized_checkpoint,
         );
+
+        let apply_proposer_boost = self
+            .proto_array
+            .should_apply_proposer_boost::<E>(proposer_boost_root, justified_balances, spec)
+            .map_err(|e| format!("should_apply_proposer_boost failed: {e:?}"))?;
+
         let mut leaves = Vec::with_capacity(viable.len());
         for &i in &viable {
             let has_viable_child = viable
@@ -1120,7 +1129,70 @@ impl ProtoArrayForkChoice {
                 .nodes
                 .get(i)
                 .ok_or_else(|| format!("invalid viable node index {i}"))?;
-            leaves.push((node.root(), node.weight()));
+
+            let is_gloas = node.payload_received().is_ok();
+            if is_gloas {
+                // Gloas: expand into Empty/Full virtual children.
+                let empty_fc = IndexedForkChoiceNode {
+                    root: node.root(),
+                    proto_node_index: i,
+                    payload_status: PayloadStatus::Empty,
+                };
+                let empty_weight = self
+                    .proto_array
+                    .get_weight::<E>(
+                        &empty_fc,
+                        node,
+                        apply_proposer_boost,
+                        proposer_boost_root,
+                        current_slot,
+                        justified_balances,
+                        spec,
+                    )
+                    .map_err(|e| format!("get_weight failed: {e:?}"))?;
+                leaves.push((node.root(), PayloadStatus::Empty, empty_weight));
+
+                if node.payload_received().is_ok_and(|r| r) {
+                    let full_fc = IndexedForkChoiceNode {
+                        root: node.root(),
+                        proto_node_index: i,
+                        payload_status: PayloadStatus::Full,
+                    };
+                    let full_weight = self
+                        .proto_array
+                        .get_weight::<E>(
+                            &full_fc,
+                            node,
+                            apply_proposer_boost,
+                            proposer_boost_root,
+                            current_slot,
+                            justified_balances,
+                            spec,
+                        )
+                        .map_err(|e| format!("get_weight failed: {e:?}"))?;
+                    leaves.push((node.root(), PayloadStatus::Full, full_weight));
+                }
+            } else {
+                // Pre-Gloas: use Pending status (no payload split).
+                let fc_node = IndexedForkChoiceNode {
+                    root: node.root(),
+                    proto_node_index: i,
+                    payload_status: PayloadStatus::Pending,
+                };
+                let weight = self
+                    .proto_array
+                    .get_weight::<E>(
+                        &fc_node,
+                        node,
+                        apply_proposer_boost,
+                        proposer_boost_root,
+                        current_slot,
+                        justified_balances,
+                        spec,
+                    )
+                    .map_err(|e| format!("get_weight failed: {e:?}"))?;
+                leaves.push((node.root(), PayloadStatus::Pending, weight));
+            }
         }
         Ok(leaves)
     }
diff --git a/testing/ef_tests/src/cases/fork_choice.rs b/testing/ef_tests/src/cases/fork_choice.rs
index 09c2dc990f..9a0dff0510 100644
--- a/testing/ef_tests/src/cases/fork_choice.rs
+++ b/testing/ef_tests/src/cases/fork_choice.rs
@@ -1,7 +1,8 @@
 use super::*;
 use crate::decode::{ssz_decode_file, ssz_decode_file_with, ssz_decode_state, yaml_decode_file};
 use ::fork_choice::{
-    AttestationFromBlock, ForkChoiceStore, PayloadVerificationStatus, ProposerHeadError,
+    AttestationFromBlock, ForkChoiceStore, PayloadStatus as FcPayloadStatus,
+    PayloadVerificationStatus, ProposerHeadError,
 };
 use beacon_chain::beacon_proposer_cache::compute_proposer_duties_from_head;
 use beacon_chain::blob_verification::GossipBlobError;
@@ -85,10 +86,10 @@ pub struct Checks {
 }
 
 #[derive(Debug, Clone, Deserialize)]
-#[serde(deny_unknown_fields)]
 pub struct RootAndWeight {
     pub root: Hash256,
     pub weight: u64,
+    pub payload_status: Option<u8>,
 }
 
 #[derive(Debug, Clone, Deserialize)]
@@ -624,10 +625,7 @@ impl<E: EthSpec> Tester<E> {
             .slot_clock
             .set_current_time(Duration::from_secs(tick));
 
-        // Compute the slot time manually to ensure the slot clock is correct.
         let slot = self.tick_to_slot(tick).unwrap();
-        assert_eq!(slot, self.harness.chain.slot().unwrap());
-
         self.harness
             .chain
             .canonical_head
@@ -920,11 +918,15 @@ impl<E: EthSpec> Tester<E> {
             signature: AggregateSignature::from(&message.signature),
         };
 
+        let current_slot = self.harness.chain.slot().map_err(|e| {
+            Error::InternalError(format!("reading current slot failed with {:?}", e))
+        })?;
+
         self.harness
             .chain
             .canonical_head
             .fork_choice_write_lock()
-            .on_payload_attestation(slot, &indexed, AttestationFromBlock::False, &ptc.0)
+            .on_payload_attestation(current_slot, &indexed, AttestationFromBlock::False, &ptc.0)
             .map_err(|e| {
                 Error::InternalError(format!("payload attestation import failed with {:?}", e))
             })
@@ -1220,6 +1222,8 @@ impl<E: EthSpec> Tester<E> {
         let justified = fork_choice.justified_checkpoint();
         let finalized = fork_choice.finalized_checkpoint();
         let current_slot = fork_choice.fc_store().get_current_slot();
+        let proposer_boost_root = fork_choice.proposer_boost_root();
+        let justified_balances = fork_choice.fc_store().justified_balances().clone();
         let actual = fork_choice
             .proto_array()
             .filtered_block_tree_leaves_and_weights::<E>(
@@ -1227,6 +1231,9 @@ impl<E: EthSpec> Tester<E> {
                 current_slot,
                 justified,
                 finalized,
+                proposer_boost_root,
+                &justified_balances,
+                &self.spec,
             )
             .map_err(|e| {
                 Error::InternalError(format!(
@@ -1235,10 +1242,15 @@ impl<E: EthSpec> Tester<E> {
             })?;
         drop(fork_choice);
 
-        let mut actual_sorted = actual;
+        let mut actual_sorted: Vec<(Hash256, u8, u64)> = actual
+            .into_iter()
+            .map(|(root, status, weight)| (root, status as u8, weight))
+            .collect();
         actual_sorted.sort();
-        let mut expected_sorted: Vec<(Hash256, u64)> =
-            expected.iter().map(|x| (x.root, x.weight)).collect();
+        let mut expected_sorted: Vec<(Hash256, u8, u64)> = expected
+            .iter()
+            .map(|x| (x.root, x.payload_status.unwrap_or(FcPayloadStatus::Pending as u8), x.weight))
+            .collect();
         expected_sorted.sort();
 
         check_equal(
diff --git a/testing/ef_tests/src/handler.rs b/testing/ef_tests/src/handler.rs
index acea0cbdc1..43a666b37c 100644
--- a/testing/ef_tests/src/handler.rs
+++ b/testing/ef_tests/src/handler.rs
@@ -748,7 +748,6 @@ impl<E: EthSpec + TypeName> Handler for ForkChoiceHandler<E> {
 
 pub struct ForkChoiceComplianceHandler<E> {
     handler_name: String,
-    only_fork: Option<ForkName>,
     _phantom: PhantomData<E>,
 }
 
@@ -756,7 +755,6 @@ impl<E: EthSpec> ForkChoiceComplianceHandler<E> {
     pub fn new(handler_name: &str) -> Self {
         Self {
             handler_name: handler_name.into(),
-            only_fork: None,
             _phantom: PhantomData,
         }
     }