diff --git a/src/ffi/win_bindings.rs b/src/ffi/win_bindings.rs
index aa7b5449fd..4924d22cb4 100644
--- a/src/ffi/win_bindings.rs
+++ b/src/ffi/win_bindings.rs
@@ -352,6 +352,7 @@ pub const QUIC_STREAM_OPEN_FLAGS_QUIC_STREAM_OPEN_FLAG_UNIDIRECTIONAL: QUIC_STRE
 pub const QUIC_STREAM_OPEN_FLAGS_QUIC_STREAM_OPEN_FLAG_0_RTT: QUIC_STREAM_OPEN_FLAGS = 2;
 pub const QUIC_STREAM_OPEN_FLAGS_QUIC_STREAM_OPEN_FLAG_DELAY_ID_FC_UPDATES: QUIC_STREAM_OPEN_FLAGS =
     4;
+pub const QUIC_STREAM_OPEN_FLAGS_QUIC_STREAM_OPEN_FLAG_EXTERNAL_BUFFERS: QUIC_STREAM_OPEN_FLAGS = 8;
 pub type QUIC_STREAM_OPEN_FLAGS = ::std::os::raw::c_int;
 pub const QUIC_STREAM_START_FLAGS_QUIC_STREAM_START_FLAG_NONE: QUIC_STREAM_START_FLAGS = 0;
 pub const QUIC_STREAM_START_FLAGS_QUIC_STREAM_START_FLAG_IMMEDIATE: QUIC_STREAM_START_FLAGS = 1;
@@ -5568,6 +5569,9 @@ pub type QUIC_STREAM_RECEIVE_COMPLETE_FN =
     ::std::option::Option<unsafe extern "C" fn(Stream: HQUIC, BufferLength: u64)>;
 pub type QUIC_STREAM_RECEIVE_SET_ENABLED_FN =
     ::std::option::Option<unsafe extern "C" fn(Stream: HQUIC, IsEnabled: BOOLEAN) -> HRESULT>;
+pub type QUIC_STREAM_PROVIDE_RECEIVE_BUFFERS_FN = ::std::option::Option<
+    unsafe extern "C" fn(Stream: HQUIC, BufferCount: u32, Buffers: *const QUIC_BUFFER) -> HRESULT,
+>;
 pub type QUIC_DATAGRAM_SEND_FN = ::std::option::Option<
     unsafe extern "C" fn(
         Connection: HQUIC,
@@ -5611,10 +5615,11 @@ pub struct QUIC_API_TABLE {
     pub DatagramSend: QUIC_DATAGRAM_SEND_FN,
     pub ConnectionResumptionTicketValidationComplete: QUIC_CONNECTION_COMP_RESUMPTION_FN,
     pub ConnectionCertificateValidationComplete: QUIC_CONNECTION_COMP_CERT_FN,
+    pub StreamProvideReceiveBuffers: QUIC_STREAM_PROVIDE_RECEIVE_BUFFERS_FN,
 }
 #[allow(clippy::unnecessary_operation, clippy::identity_op)]
 const _: () = {
-    ["Size of QUIC_API_TABLE"][::std::mem::size_of::<QUIC_API_TABLE>() - 248usize];
+    ["Size of QUIC_API_TABLE"][::std::mem::size_of::<QUIC_API_TABLE>() - 256usize];
     ["Alignment of QUIC_API_TABLE"][::std::mem::align_of::<QUIC_API_TABLE>() - 8usize];
     ["Offset of field: QUIC_API_TABLE::SetContext"]
         [::std::mem::offset_of!(QUIC_API_TABLE, SetContext) - 0usize];
@@ -5682,6 +5687,8 @@ const _: () = {
         QUIC_API_TABLE,
         ConnectionCertificateValidationComplete
     ) - 240usize];
+    ["Offset of field: QUIC_API_TABLE::StreamProvideReceiveBuffers"]
+        [::std::mem::offset_of!(QUIC_API_TABLE, StreamProvideReceiveBuffers) - 248usize];
 };
 pub const QUIC_STATUS_SUCCESS: QUIC_STATUS = 0;
 pub const QUIC_STATUS_PENDING: QUIC_STATUS = 459749;
diff --git a/src/inc/quic_platform.h b/src/inc/quic_platform.h
index 4e56a87fd5..cf75a686f8 100644
--- a/src/inc/quic_platform.h
+++ b/src/inc/quic_platform.h
@@ -148,6 +148,7 @@ typedef struct CXPLAT_SLIST_ENTRY {
 #define QUIC_POOL_ROUTE_RESOLUTION_WORKER   'A4cQ' // Qc4A - QUIC route resolution worker
 #define QUIC_POOL_ROUTE_RESOLUTION_OPER     'B4cQ' // Qc4B - QUIC route resolution operation
 #define QUIC_POOL_EXECUTION_CONFIG          'C4cQ' // Qc4C - QUIC execution config
+#define QUIC_POOL_APP_BUFFER_CHUNK          'D4cQ' // Qc4D - QUIC receive chunk for app buffers
 
 typedef enum CXPLAT_THREAD_FLAGS {
     CXPLAT_THREAD_FLAG_NONE               = 0x0000,