diff --git a/python/Cargo.toml b/python/Cargo.toml
index dd79c00..0ee2756 100644
--- a/python/Cargo.toml
+++ b/python/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "python"
-version = "0.11.0"
+version = "0.12.0"
 edition = "2021"
 
 [lib]
@@ -8,14 +8,14 @@ name = "neuromorphic_drivers"
 crate-type = ["cdylib"]
 
 [dependencies]
-neuromorphic-drivers = "0.11.0"
+neuromorphic-drivers = "0.12.0"
 numpy = "0.19"
 paste = "1.0"
 pyo3 = {version = "0.19", features = ["extension-module"]}
 
 [build-dependencies]
 cc = "1.0"
-neuromorphic-drivers = "0.11.0"
+neuromorphic-drivers = "0.12.0"
 paste = "1.0"
 reflect = {path = "../reflect"}
 serde = {version = "1.0", features = ["derive"]}
diff --git a/python/build.rs b/python/build.rs
index 4ac7bb0..7afbe64 100644
--- a/python/build.rs
+++ b/python/build.rs
@@ -529,6 +529,9 @@ macro_rules! generate {
                                 "    def __next__(self) -> tuple[{}, {}{}{}]:\n",
                                 "        ...\n",
                                 "\n",
+                                "    def backlog(self) -> int:\n",
+                                "        ...\n",
+                                "\n",
                                 "    def clear_backlog(self, until: int):\n",
                                 "        ...\n",
                                 "\n",
@@ -715,6 +718,9 @@ macro_rules! generate {
                             "    def __next__(self) -> tuple[{}, {}{}{}]:\n",
                             "        ...\n",
                             "\n",
+                            "    def backlog(self) -> int:\n",
+                            "        ...\n",
+                            "\n",
                             "    def clear_backlog(self, until: int):\n",
                             "        ...\n",
                             "\n",
diff --git a/python/pyproject.toml b/python/pyproject.toml
index d31a7d2..f589d8e 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -7,7 +7,7 @@ authors = [
     {name = "International Centre for Neuromorphic Systems"},
     {name = "Alexandre Marcireau"},
 ]
-version = "0.11.0"
+version = "0.12.0"
 requires-python = ">=3.8"
 dependencies = ["numpy>=1.24"]
 
diff --git a/python/python/neuromorphic_drivers/generated/devices/prophesee_evk3_hd.py b/python/python/neuromorphic_drivers/generated/devices/prophesee_evk3_hd.py
index 9b906a1..844af72 100644
--- a/python/python/neuromorphic_drivers/generated/devices/prophesee_evk3_hd.py
+++ b/python/python/neuromorphic_drivers/generated/devices/prophesee_evk3_hd.py
@@ -123,6 +123,9 @@ def __iter__(self) -> "Device":
     def __next__(self) -> tuple[status.StatusNonOptional, dict[str, numpy.ndarray[typing.Any, numpy.dtype[numpy.void]]]]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
@@ -166,6 +169,9 @@ def __iter__(self) -> "DeviceOptional":
     def __next__(self) -> tuple[status.Status, typing.Optional[dict[str, numpy.ndarray[typing.Any, numpy.dtype[numpy.void]]]]]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
@@ -209,6 +215,9 @@ def __iter__(self) -> "DeviceRaw":
     def __next__(self) -> tuple[status.StatusNonOptional, bytes]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
@@ -252,6 +261,9 @@ def __iter__(self) -> "DeviceRawOptional":
     def __next__(self) -> tuple[status.Status, typing.Optional[bytes]]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
diff --git a/python/python/neuromorphic_drivers/generated/devices/prophesee_evk4.py b/python/python/neuromorphic_drivers/generated/devices/prophesee_evk4.py
index b9f23cc..5796831 100644
--- a/python/python/neuromorphic_drivers/generated/devices/prophesee_evk4.py
+++ b/python/python/neuromorphic_drivers/generated/devices/prophesee_evk4.py
@@ -161,6 +161,9 @@ def __iter__(self) -> "Device":
     def __next__(self) -> tuple[status.StatusNonOptional, dict[str, numpy.ndarray[typing.Any, numpy.dtype[numpy.void]]]]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
@@ -206,6 +209,9 @@ def __iter__(self) -> "DeviceOptional":
     def __next__(self) -> tuple[status.Status, typing.Optional[dict[str, numpy.ndarray[typing.Any, numpy.dtype[numpy.void]]]]]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
@@ -251,6 +257,9 @@ def __iter__(self) -> "DeviceRaw":
     def __next__(self) -> tuple[status.StatusNonOptional, bytes]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
@@ -296,6 +305,9 @@ def __iter__(self) -> "DeviceRawOptional":
     def __next__(self) -> tuple[status.Status, typing.Optional[bytes]]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
diff --git a/python/python/neuromorphic_drivers/generated/devices_types.py b/python/python/neuromorphic_drivers/generated/devices_types.py
index 4275361..381cef5 100644
--- a/python/python/neuromorphic_drivers/generated/devices_types.py
+++ b/python/python/neuromorphic_drivers/generated/devices_types.py
@@ -32,6 +32,9 @@ def __iter__(self) -> "GenericDevice":
     def __next__(self) -> tuple[status.StatusNonOptional, dict[str, numpy.ndarray[typing.Any, numpy.dtype[numpy.void]]]]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
@@ -75,6 +78,9 @@ def __iter__(self) -> "GenericDeviceOptional":
     def __next__(self) -> tuple[status.Status, typing.Optional[dict[str, numpy.ndarray[typing.Any, numpy.dtype[numpy.void]]]]]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
@@ -118,6 +124,9 @@ def __iter__(self) -> "GenericDeviceRaw":
     def __next__(self) -> tuple[status.StatusNonOptional, bytes]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
@@ -161,6 +170,9 @@ def __iter__(self) -> "GenericDeviceRawOptional":
     def __next__(self) -> tuple[status.Status, typing.Optional[bytes]]:
         ...
 
+    def backlog(self) -> int:
+        ...
+
     def clear_backlog(self, until: int):
         ...
 
diff --git a/python/src/lib.rs b/python/src/lib.rs
index accd0b8..1e1d6d2 100644
--- a/python/src/lib.rs
+++ b/python/src/lib.rs
@@ -247,6 +247,16 @@ impl Device {
         })
     }
 
+    fn backlog(slf: pyo3::PyRef<Self>) -> pyo3::PyResult<usize> {
+        Ok(slf
+            .device
+            .as_ref()
+            .ok_or(pyo3::exceptions::PyRuntimeError::new_err(
+                "backlog called after __exit__",
+            ))?
+            .backlog())
+    }
+
     fn clear_backlog(
         slf: pyo3::PyRef<Self>,
         python: pyo3::Python,