diff --git a/Cargo.lock b/Cargo.lock
index 3282e1ee78..f3314cc104 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -519,7 +519,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4114279215a005bc675e386011e594e1d9b800918cea18fcadadcce864a2046b"
 dependencies = [
  "borsh-derive 0.10.3",
- "hashbrown 0.11.2",
+ "hashbrown 0.12.3",
 ]
 
 [[package]]
diff --git a/runtime/src/bank/pyth_accumulator.rs b/runtime/src/bank/pyth_accumulator.rs
index 46c5524b83..ee30aca37c 100644
--- a/runtime/src/bank/pyth_accumulator.rs
+++ b/runtime/src/bank/pyth_accumulator.rs
@@ -447,17 +447,11 @@ pub fn update_v2(bank: &Bank) -> std::result::Result<(), AccumulatorUpdateErrorV
     for (pubkey, mut account) in accounts {
         let mut price_account_data = account.data().to_owned();
         let price_account =
-            match pyth_oracle::validator::validate_price_account(&mut price_account_data) {
+            match pyth_oracle::validator::checked_load_price_account_mut(&mut price_account_data) {
                 Ok(data) => data,
-                Err(err) => match err {
-                    AggregationError::NotPriceFeedAccount => {
-                        continue;
-                    }
-                    AggregationError::V1AggregationMode | AggregationError::AlreadyAggregated => {
-                        any_v1_aggregations = true;
-                        continue;
-                    }
-                },
+                Err(_err) => {
+                    continue;
+                }
             };
 
         let mut need_save =
@@ -474,7 +468,7 @@ pub fn update_v2(bank: &Bank) -> std::result::Result<(), AccumulatorUpdateErrorV
                 need_save = true;
                 v2_messages.extend(messages);
             }
-            Err(err) => match dbg!(err) {
+            Err(err) => match err {
                 AggregationError::NotPriceFeedAccount => {}
                 AggregationError::V1AggregationMode | AggregationError::AlreadyAggregated => {
                     any_v1_aggregations = true;
diff --git a/runtime/src/bank/pyth_accumulator_tests.rs b/runtime/src/bank/pyth_accumulator_tests.rs
index f55260a9b5..5c3673a131 100644
--- a/runtime/src/bank/pyth_accumulator_tests.rs
+++ b/runtime/src/bank/pyth_accumulator_tests.rs
@@ -1228,7 +1228,7 @@ fn test_batch_publish() {
             price_account.flags.insert(
                 PriceAccountFlags::ACCUMULATOR_V2 | PriceAccountFlags::MESSAGE_BUFFER_CLEARED,
             );
-            price_account.unused_3_ = index;
+            price_account.feed_index = index;
             price_account.comp_[0].pub_ = publishers[0].pubkey().to_bytes().into();
             price_account.comp_[1].pub_ = publishers[1].pubkey().to_bytes().into();
             price_account.num_ = 2;
diff --git a/runtime/src/bank/pyth_batch_publish.rs b/runtime/src/bank/pyth_batch_publish.rs
index 68a0dec0aa..406a313551 100644
--- a/runtime/src/bank/pyth_batch_publish.rs
+++ b/runtime/src/bank/pyth_batch_publish.rs
@@ -11,6 +11,7 @@ use {
     thiserror::Error,
 };
 
+// TODO: move to the publish program
 #[allow(dead_code)]
 pub mod publisher_prices_account {
     use {
@@ -224,15 +225,16 @@ pub fn extract_batch_publish_prices(
         }
         let publisher = header.publisher.into();
         for price in prices {
+            let value = PublisherPriceValue {
+                publisher,
+                trading_status: price.trading_status(),
+                price: price.price,
+                confidence: price.confidence,
+            };
             all_prices
                 .entry(price.feed_index())
                 .or_default()
-                .push(PublisherPriceValue {
-                    publisher,
-                    trading_status: price.trading_status(),
-                    price: price.price,
-                    confidence: price.confidence,
-                });
+                .push(value);
         }
     }
     Ok(all_prices)
@@ -243,8 +245,7 @@ pub fn apply_published_prices(
     new_prices: &HashMap<u32, Vec<PublisherPriceValue>>,
     slot: Slot,
 ) -> bool {
-    // TODO: store index here or somewhere else?
-    let price_feed_index = price_data.unused_3_ as u32;
+    let price_feed_index = price_data.feed_index as u32;
     let mut any_update = false;
     for new_price in new_prices.get(&price_feed_index).unwrap_or(&Vec::new()) {
         match apply_published_price(price_data, new_price, slot) {
@@ -254,7 +255,7 @@ pub fn apply_published_prices(
             Err(err) => {
                 warn!(
                     "failed to apply publisher price to price feed {}: {}",
-                    price_data.unused_3_ as u32, err
+                    price_data.feed_index as u32, err
                 );
             }
         }
@@ -285,7 +286,7 @@ fn apply_published_price(
         .ok_or(ApplyPublishedPriceError::InvalidPublishersNum)?;
 
     let publisher_index = find_publisher_index(publishers, &new_price.publisher).ok_or(
-        ApplyPublishedPriceError::NoPermission(price_data.unused_3_ as u32, new_price.publisher),
+        ApplyPublishedPriceError::NoPermission(price_data.feed_index as u32, new_price.publisher),
     )?;
 
     // IMPORTANT: If the publisher does not meet the price/conf