diff --git a/Cargo.lock b/Cargo.lock
index 4151377f526..cecc146ce11 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -244,7 +244,7 @@ dependencies = [
  "solana-inflation",
  "solana-keypair",
  "solana-ledger",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-log-collector",
  "solana-logger",
  "solana-measure",
@@ -2595,7 +2595,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -5881,7 +5881,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys 0.9.2",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -5968,7 +5968,7 @@ dependencies = [
  "security-framework 3.2.0",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -6573,7 +6573,7 @@ dependencies = [
  "solana-fee-calculator",
  "solana-hash",
  "solana-instruction",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-nonce",
  "solana-program-option",
  "solana-program-pack",
@@ -7110,7 +7110,7 @@ dependencies = [
  "solana-instruction",
  "solana-keccak-hasher",
  "solana-last-restart-slot",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-log-collector",
  "solana-measure",
@@ -7150,7 +7150,7 @@ dependencies = [
  "solana-bpf-loader-program",
  "solana-instruction",
  "solana-keypair",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-program-test",
  "solana-pubkey",
  "solana-sdk-ids",
@@ -7800,7 +7800,7 @@ dependencies = [
  "solana-instruction",
  "solana-keypair",
  "solana-ledger",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-logger",
  "solana-measure",
  "solana-message",
@@ -8349,7 +8349,7 @@ dependencies = [
  "solana-inflation",
  "solana-keypair",
  "solana-ledger",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-logger",
  "solana-native-token",
  "solana-poh-config",
@@ -8832,6 +8832,21 @@ dependencies = [
  "solana-system-interface",
 ]
 
+[[package]]
+name = "solana-loader-v3-interface"
+version = "5.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f7162a05b8b0773156b443bccd674ea78bb9aa406325b467ea78c06c99a63a2"
+dependencies = [
+ "serde",
+ "serde_bytes",
+ "serde_derive",
+ "solana-instruction",
+ "solana-pubkey",
+ "solana-sdk-ids",
+ "solana-system-interface",
+]
+
 [[package]]
 name = "solana-loader-v4-interface"
 version = "2.2.1"
@@ -8859,7 +8874,7 @@ dependencies = [
  "solana-bpf-loader-program",
  "solana-clock",
  "solana-instruction",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-log-collector",
  "solana-measure",
@@ -9523,7 +9538,7 @@ dependencies = [
  "solana-hash",
  "solana-instruction",
  "solana-keypair",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-log-collector",
  "solana-logger",
  "solana-message",
@@ -10105,7 +10120,7 @@ dependencies = [
  "solana-instruction",
  "solana-keypair",
  "solana-lattice-hash",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-logger",
  "solana-measure",
@@ -10820,7 +10835,7 @@ dependencies = [
  "solana-instruction",
  "solana-instructions-sysvar",
  "solana-keypair",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-loader-v4-program",
  "solana-log-collector",
@@ -11062,7 +11077,7 @@ dependencies = [
  "solana-instruction",
  "solana-keypair",
  "solana-ledger",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-logger",
  "solana-message",
  "solana-native-token",
@@ -11435,7 +11450,7 @@ dependencies = [
  "solana-hash",
  "solana-instruction",
  "solana-loader-v2-interface",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-message",
  "solana-program-option",
  "solana-pubkey",
@@ -12649,7 +12664,7 @@ dependencies = [
  "getrandom 0.3.3",
  "once_cell",
  "rustix 1.0.2",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index e8adb835d3d..26565500ed2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -462,7 +462,7 @@ solana-last-restart-slot = "2.2.1"
 solana-lattice-hash = { path = "lattice-hash", version = "=2.3.0" }
 solana-ledger = { path = "ledger", version = "=2.3.0" }
 solana-loader-v2-interface = "2.2.1"
-solana-loader-v3-interface = "4.0.1"
+solana-loader-v3-interface = "5.0.0"
 solana-loader-v4-interface = "2.2.1"
 solana-loader-v4-program = { path = "programs/loader-v4", version = "=2.3.0" }
 solana-local-cluster = { path = "local-cluster", version = "=2.3.0" }
diff --git a/feature-set/src/lib.rs b/feature-set/src/lib.rs
index ffb965c48ba..bb0b5cc72de 100644
--- a/feature-set/src/lib.rs
+++ b/feature-set/src/lib.rs
@@ -1092,7 +1092,7 @@ pub mod enshrine_slashing_program {
 }
 
 pub mod enable_extend_program_checked {
-    solana_pubkey::declare_id!("97QCmR4QtfeQsAti9srfHFk5uMRFP95CvXG8EGr615HM");
+    solana_pubkey::declare_id!("2oMRZEDWT2tqtYMofhmmfQ8SsjqUFzT6sYXppQDavxwz");
 }
 
 pub static FEATURE_NAMES: LazyLock<AHashMap<Pubkey, &'static str>> = LazyLock::new(|| {
diff --git a/genesis/Cargo.toml b/genesis/Cargo.toml
index 1ca9bcde1b7..147f10b90aa 100644
--- a/genesis/Cargo.toml
+++ b/genesis/Cargo.toml
@@ -32,7 +32,7 @@ solana-genesis-config = "=2.2.1"
 solana-inflation = "=2.2.1"
 solana-keypair = "=2.2.1"
 solana-ledger = { workspace = true }
-solana-loader-v3-interface = "=4.0.1"
+solana-loader-v3-interface = "5.0.0"
 solana-logger = "=2.3.1"
 solana-native-token = "=2.2.2"
 solana-poh-config = "=2.2.1"
diff --git a/programs/bpf_loader/src/syscalls/cpi.rs b/programs/bpf_loader/src/syscalls/cpi.rs
index 4bd6b0d665e..b4d689604f4 100644
--- a/programs/bpf_loader/src/syscalls/cpi.rs
+++ b/programs/bpf_loader/src/syscalls/cpi.rs
@@ -1042,6 +1042,12 @@ fn check_authorized_program(
                     && bpf_loader_upgradeable::is_set_authority_checked_instruction(
                         instruction_data,
                     ))
+                || (invoke_context
+                    .get_feature_set()
+                    .enable_extend_program_checked
+                    && bpf_loader_upgradeable::is_extend_program_checked_instruction(
+                        instruction_data,
+                    ))
                 || bpf_loader_upgradeable::is_close_instruction(instruction_data)))
         || invoke_context.is_precompile(program_id)
     {
diff --git a/programs/sbf/Cargo.lock b/programs/sbf/Cargo.lock
index 901703525ef..e9d3f33d7e7 100644
--- a/programs/sbf/Cargo.lock
+++ b/programs/sbf/Cargo.lock
@@ -5343,7 +5343,7 @@ dependencies = [
  "solana-epoch-schedule",
  "solana-fee-calculator",
  "solana-instruction",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-nonce",
  "solana-program-option",
  "solana-program-pack",
@@ -5639,7 +5639,7 @@ dependencies = [
  "solana-hash",
  "solana-instruction",
  "solana-keccak-hasher",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-log-collector",
  "solana-measure",
@@ -6046,7 +6046,7 @@ dependencies = [
  "solana-instruction",
  "solana-keypair",
  "solana-ledger",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-measure",
  "solana-message",
  "solana-metrics",
@@ -6810,9 +6810,9 @@ dependencies = [
 
 [[package]]
 name = "solana-loader-v3-interface"
-version = "4.0.1"
+version = "5.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5539bcadd5c3b306045563e9d102bbaa42b3643f335ae02bc9b5260a70ad9742"
+checksum = "6f7162a05b8b0773156b443bccd674ea78bb9aa406325b467ea78c06c99a63a2"
 dependencies = [
  "serde",
  "serde_bytes",
@@ -6848,7 +6848,7 @@ dependencies = [
  "solana-bincode",
  "solana-bpf-loader-program",
  "solana-instruction",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-log-collector",
  "solana-measure",
@@ -7343,7 +7343,7 @@ dependencies = [
  "solana-hash",
  "solana-instruction",
  "solana-keypair",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-log-collector",
  "solana-logger",
  "solana-message",
@@ -7814,7 +7814,7 @@ dependencies = [
  "solana-instruction",
  "solana-keypair",
  "solana-lattice-hash",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-measure",
  "solana-message",
@@ -7939,7 +7939,7 @@ dependencies = [
  "solana-instruction",
  "solana-keypair",
  "solana-ledger",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-log-collector",
  "solana-logger",
@@ -8933,7 +8933,7 @@ dependencies = [
  "solana-hash",
  "solana-instruction",
  "solana-instructions-sysvar",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-loader-v4-program",
  "solana-log-collector",
@@ -9133,7 +9133,7 @@ dependencies = [
  "solana-instruction",
  "solana-keypair",
  "solana-ledger",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-logger",
  "solana-message",
  "solana-native-token",
@@ -9369,7 +9369,7 @@ dependencies = [
  "solana-hash",
  "solana-instruction",
  "solana-loader-v2-interface",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-message",
  "solana-program-option",
  "solana-pubkey",
diff --git a/programs/sbf/Cargo.toml b/programs/sbf/Cargo.toml
index 48096db57d5..4b151d105f4 100644
--- a/programs/sbf/Cargo.toml
+++ b/programs/sbf/Cargo.toml
@@ -137,7 +137,7 @@ solana-hash = "2.2.1"
 solana-instruction = "2.2.1"
 solana-keypair = "2.2.1"
 solana-ledger = { workspace = true }
-solana-loader-v3-interface = "4.0.1"
+solana-loader-v3-interface = "5.0.0"
 solana-loader-v4-interface = "2.2.1"
 solana-log-collector = { workspace = true }
 solana-logger = { workspace = true }
diff --git a/svm/examples/Cargo.lock b/svm/examples/Cargo.lock
index 2e1bc0e0c41..a50158aac98 100644
--- a/svm/examples/Cargo.lock
+++ b/svm/examples/Cargo.lock
@@ -5189,7 +5189,7 @@ dependencies = [
  "solana-epoch-schedule",
  "solana-fee-calculator",
  "solana-instruction",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-nonce",
  "solana-program-option",
  "solana-program-pack",
@@ -5485,7 +5485,7 @@ dependencies = [
  "solana-hash",
  "solana-instruction",
  "solana-keccak-hasher",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-log-collector",
  "solana-measure",
@@ -5892,7 +5892,7 @@ dependencies = [
  "solana-instruction",
  "solana-keypair",
  "solana-ledger",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-measure",
  "solana-message",
  "solana-metrics",
@@ -6621,9 +6621,9 @@ dependencies = [
 
 [[package]]
 name = "solana-loader-v3-interface"
-version = "4.0.1"
+version = "5.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5539bcadd5c3b306045563e9d102bbaa42b3643f335ae02bc9b5260a70ad9742"
+checksum = "6f7162a05b8b0773156b443bccd674ea78bb9aa406325b467ea78c06c99a63a2"
 dependencies = [
  "serde",
  "serde_bytes",
@@ -6659,7 +6659,7 @@ dependencies = [
  "solana-bincode",
  "solana-bpf-loader-program",
  "solana-instruction",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-log-collector",
  "solana-measure",
@@ -7154,7 +7154,7 @@ dependencies = [
  "solana-hash",
  "solana-instruction",
  "solana-keypair",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-log-collector",
  "solana-logger",
  "solana-message",
@@ -7625,7 +7625,7 @@ dependencies = [
  "solana-instruction",
  "solana-keypair",
  "solana-lattice-hash",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-measure",
  "solana-message",
@@ -8214,7 +8214,7 @@ dependencies = [
  "solana-hash",
  "solana-instruction",
  "solana-instructions-sysvar",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-loader-v4-interface",
  "solana-loader-v4-program",
  "solana-log-collector",
@@ -8450,7 +8450,7 @@ dependencies = [
  "solana-instruction",
  "solana-keypair",
  "solana-ledger",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-logger",
  "solana-message",
  "solana-native-token",
@@ -8686,7 +8686,7 @@ dependencies = [
  "solana-hash",
  "solana-instruction",
  "solana-loader-v2-interface",
- "solana-loader-v3-interface 4.0.1",
+ "solana-loader-v3-interface 5.0.0",
  "solana-message",
  "solana-program-option",
  "solana-pubkey",