diff --git a/CHANGELOG.md b/CHANGELOG.md
index 37c775d2..b0d6e98b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.3.2
+
+* Replaced `concat_idents` with mashup
+
 ## 0.3.1
 
 * Fixed scoping bug in pyobject_native_type that would break rust-numpy
diff --git a/Cargo.toml b/Cargo.toml
index 73768dc8..6610dffc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyo3"
-version = "0.3.1"
+version = "0.3.2"
 description = "Bindings to Python interpreter"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
 readme = "README.md"
@@ -22,7 +22,7 @@ codecov = { repository = "PyO3/pyo3", branch = "master", service = "github" }
 libc = "0.2"
 spin = "0.4.6"
 num-traits = "0.2"
-pyo3cls = { path = "pyo3cls", version = "0.3.1" }
+pyo3cls = { path = "pyo3cls", version = "0.3.2" }
 mashup = "0.1.5"
 
 [dev-dependencies]
@@ -46,6 +46,11 @@ python3 = []
 # so that the module can also be used with statically linked python interpreters.
 extension-module = []
 
+# The stable cpython abi as defined in PEP 384. Currently broken with
+# many compilation errors. Pull Requests working towards fixing that
+# are welcome.
+# abi3 = []
+
 [workspace]
 members = [
     "pyo3cls",
diff --git a/Makefile b/Makefile
index aa18ab0b..4398ad2b 100644
--- a/Makefile
+++ b/Makefile
@@ -9,10 +9,6 @@ FEATURES := python2
 endif
 ifeq ($(PY),3)
 FEATURES := python3
-ifdef PEP384
-export PEP384=1
-FEATURES := $(FEATURES) pep-384
-endif
 endif
 
 CARGO_FLAGS := --features "$(FEATURES)" --no-default-features
diff --git a/build.rs b/build.rs
index 1fddad48..999a40c9 100644
--- a/build.rs
+++ b/build.rs
@@ -350,7 +350,7 @@ fn configure_from_path(expected_version: &PythonVersion) -> Result<(String, Stri
         minor: some_minor,
     } = interpreter_version
     {
-        if env::var_os("CARGO_FEATURE_PEP_384").is_some() {
+        if env::var_os("CARGO_FEATURE_ABI3").is_some() {
             println!("cargo:rustc-cfg=Py_LIMITED_API");
         }
         if let Some(minor) = some_minor {
diff --git a/examples/word-count-cls/Cargo.toml b/examples/word-count-cls/Cargo.toml
index 287563fe..bd7724be 100644
--- a/examples/word-count-cls/Cargo.toml
+++ b/examples/word-count-cls/Cargo.toml
@@ -8,6 +8,7 @@ rayon = "0.8"
 
 [dependencies.pyo3]
 path = "../../"
+features = ["extension-module"]
 
 [lib]
 name = "word_count_cls"
diff --git a/pyo3-derive-backend/Cargo.toml b/pyo3-derive-backend/Cargo.toml
index 8c905b06..8466d992 100644
--- a/pyo3-derive-backend/Cargo.toml
+++ b/pyo3-derive-backend/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyo3-derive-backend"
-version = "0.3.1"
+version = "0.3.2"
 description = "Code generation for PyO3 package"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
 keywords = ["pyo3", "python", "cpython", "ffi"]
diff --git a/pyo3cls/Cargo.toml b/pyo3cls/Cargo.toml
index e88af8bb..775689df 100644
--- a/pyo3cls/Cargo.toml
+++ b/pyo3cls/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "pyo3cls"
-version = "0.3.1"
+version = "0.3.2"
 description = "Proc macros for PyO3 package"
 authors = ["PyO3 Project and Contributors <https://github.com/PyO3>"]
 keywords = ["pyo3", "python", "cpython", "ffi"]
@@ -22,7 +22,7 @@ features=["full", "parsing", "printing", "extra-traits"]
 
 [dependencies.pyo3-derive-backend]
 path = "../pyo3-derive-backend"
-version = "0.3.1"
+version = "0.3.2"
 
 [dependencies.proc-macro2]
 version = "0.4"
diff --git a/src/ffi3/object.rs b/src/ffi3/object.rs
index 302563a5..0d5bfd4a 100644
--- a/src/ffi3/object.rs
+++ b/src/ffi3/object.rs
@@ -206,7 +206,9 @@ pub type allocfunc =
     unsafe extern "C" fn(arg1: *mut PyTypeObject, arg2: Py_ssize_t) -> *mut PyObject;
 
 #[cfg(Py_LIMITED_API)]
-pub enum PyTypeObject { }
+mod typeobject {
+    pub enum PyTypeObject {}
+}
 
 #[cfg(not(Py_LIMITED_API))]
 mod typeobject {
@@ -561,7 +563,8 @@ mod typeobject {
         ) as *mut ffi3::structmember::PyMemberDef
     }
 }
-#[cfg(not(Py_LIMITED_API))]
+
+// The exported types depend on whether Py_LIMITED_API is set
 pub use self::typeobject::*;
 
 #[repr(C)]
diff --git a/src/typeob.rs b/src/typeob.rs
index 5465f7a1..6b7d3a97 100644
--- a/src/typeob.rs
+++ b/src/typeob.rs
@@ -350,8 +350,8 @@ impl<T> PyTypeObject for T where T: PyObjectAlloc<T> + PyTypeInfo {
     }
 }
 
-
 /// Register new type in python object system.
+#[cfg(not(Py_LIMITED_API))]
 pub fn initialize_type<'p, T>(py: Python<'p>, module_name: Option<&str>) -> PyResult<()>
     where T: PyObjectAlloc<T> + PyTypeInfo
 {