diff --git a/Makefile b/Makefile
index 6a9906c..4030080 100644
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,8 @@ serve-doc: all
 .PHONY: clean
 clean:
 	rm -rf build
-	rm msgpack/*.so
+	rm -f msgpack/_packer.cpp
+	rm -f msgpack/_unpacker.cpp
 	rm -rf msgpack/__pycache__
 	rm -rf test/__pycache__
 
diff --git a/README.rst b/README.rst
index a5038db..8925a65 100644
--- a/README.rst
+++ b/README.rst
@@ -47,9 +47,9 @@ In case of packer, use UTF-8 always.  Storing other than UTF-8 is not recommende
 For backward compatibility, you can use ``use_bin_type=False`` and pack ``bytes``
 object into msgpack raw type.
 
-In case of unpacker, there is new ``raw_as_bytes`` option.  It is ``True`` by default
+In case of unpacker, there is new ``raw`` option.  It is ``True`` by default
 for backward compatibility, but it is changed to ``False`` in near future.
-You can use ``raw_as_bytes=False`` instead of ``encoding='utf-8'``.
+You can use ``raw=False`` instead of ``encoding='utf-8'``.
 
 Planned backward incompatible changes
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -58,14 +58,14 @@ When msgpack 1.0, I planning these breaking changes:
 
 * packer and unpacker: Remove ``encoding`` and ``unicode_errors`` option.
 * packer: Change default of ``use_bin_type`` option from False to True.
-* unpacker: Change default of ``raw_as_bytes`` option from True to False.
+* unpacker: Change default of ``raw`` option from True to False.
 * unpacker: Reduce all ``max_xxx_len`` options for typical usage.
 * unpacker: Remove ``write_bytes`` option from all methods.
 
 To avoid these breaking changes breaks your application, please:
 
 * Don't use deprecated options.
-* Pass ``use_bin_type`` and ``raw_as_bytes`` options explicitly.
+* Pass ``use_bin_type`` and ``raw`` options explicitly.
 * If your application handle large (>1MB) data, specify ``max_xxx_len`` options too.
 
 
@@ -113,14 +113,14 @@ msgpack provides ``dumps`` and ``loads`` as an alias for compatibility with
    >>> import msgpack
    >>> msgpack.packb([1, 2, 3], use_bin_type=True)
    '\x93\x01\x02\x03'
-   >>> msgpack.unpackb(_, raw_as_bytes=False)
+   >>> msgpack.unpackb(_, raw=False)
    [1, 2, 3]
 
 ``unpack`` unpacks msgpack's array to Python's list, but can also unpack to tuple:
 
 .. code-block:: pycon
 
-   >>> msgpack.unpackb(b'\x93\x01\x02\x03', use_list=False, raw_as_bytes=False)
+   >>> msgpack.unpackb(b'\x93\x01\x02\x03', use_list=False, raw=False)
    (1, 2, 3)
 
 You should always specify the ``use_list`` keyword argument for backward compatibility.
@@ -146,7 +146,7 @@ stream (or from bytes provided through its ``feed`` method).
 
    buf.seek(0)
 
-   unpacker = msgpack.Unpacker(buf, raw_as_bytes=False)
+   unpacker = msgpack.Unpacker(buf, raw=False)
    for unpacked in unpacker:
        print(unpacked)
 
@@ -179,7 +179,7 @@ It is also possible to pack/unpack custom data types. Here is an example for
 
 
     packed_dict = msgpack.packb(useful_dict, default=encode_datetime, use_bin_type=True)
-    this_dict_again = msgpack.unpackb(packed_dict, object_hook=decode_datetime, raw_as_bytes=False)
+    this_dict_again = msgpack.unpackb(packed_dict, object_hook=decode_datetime, raw=False)
 
 ``Unpacker``'s ``object_hook`` callback receives a dict; the
 ``object_pairs_hook`` callback may instead be used to receive a list of
@@ -209,7 +209,7 @@ It is also possible to pack/unpack custom data types using the **ext** type.
     ...
     >>> data = array.array('d', [1.2, 3.4])
     >>> packed = msgpack.packb(data, default=default, use_bin_type=True)
-    >>> unpacked = msgpack.unpackb(packed, ext_hook=ext_hook, raw_as_bytes=False)
+    >>> unpacked = msgpack.unpackb(packed, ext_hook=ext_hook, raw=False)
     >>> data == unpacked
     True
 
@@ -257,7 +257,7 @@ For backward compatibility reasons, msgpack-python will still default all
 strings to byte strings, unless you specify the ``use_bin_type=True`` option in
 the packer. If you do so, it will use a non-standard type called **bin** to
 serialize byte arrays, and **raw** becomes to mean **str**. If you want to
-distinguish **bin** and **raw** in the unpacker, specify ``raw_as_bytes=False``.
+distinguish **bin** and **raw** in the unpacker, specify ``raw=False``.
 
 Note that Python 2 defaults to byte-arrays over Unicode strings:
 
@@ -267,7 +267,7 @@ Note that Python 2 defaults to byte-arrays over Unicode strings:
     >>> msgpack.unpackb(msgpack.packb([b'spam', u'eggs']))
     ['spam', 'eggs']
     >>> msgpack.unpackb(msgpack.packb([b'spam', u'eggs'], use_bin_type=True),
-                        raw_as_bytes=False)
+                        raw=False)
     ['spam', u'eggs']
 
 This is the same code in Python 3 (same behaviour, but Python 3 has a
@@ -279,7 +279,7 @@ different default):
     >>> msgpack.unpackb(msgpack.packb([b'spam', u'eggs']))
     [b'spam', b'eggs']
     >>> msgpack.unpackb(msgpack.packb([b'spam', u'eggs'], use_bin_type=True),
-                        raw_as_bytes=False)
+                        raw=False)
     [b'spam', 'eggs']
 
 
diff --git a/msgpack/_unpacker.pyx b/msgpack/_unpacker.pyx
index b796d04..806be4f 100644
--- a/msgpack/_unpacker.pyx
+++ b/msgpack/_unpacker.pyx
@@ -43,7 +43,7 @@ from msgpack import ExtType
 cdef extern from "unpack.h":
     ctypedef struct msgpack_user:
         bint use_list
-        bint raw_as_bytes
+        bint raw
         bint has_pairs_hook # call object_hook with k-v pairs
         PyObject* object_hook
         PyObject* list_hook
@@ -74,14 +74,14 @@ cdef extern from "unpack.h":
 cdef inline init_ctx(unpack_context *ctx,
                      object object_hook, object object_pairs_hook,
                      object list_hook, object ext_hook,
-                     bint use_list, bint raw_as_bytes,
+                     bint use_list, bint raw,
                      char* encoding, char* unicode_errors,
                      Py_ssize_t max_str_len, Py_ssize_t max_bin_len,
                      Py_ssize_t max_array_len, Py_ssize_t max_map_len,
                      Py_ssize_t max_ext_len):
     unpack_init(ctx)
     ctx.user.use_list = use_list
-    ctx.user.raw_as_bytes = raw_as_bytes
+    ctx.user.raw = raw
     ctx.user.object_hook = ctx.user.list_hook = <PyObject*>NULL
     ctx.user.max_str_len = max_str_len
     ctx.user.max_bin_len = max_bin_len
@@ -158,7 +158,7 @@ cdef inline int get_data_from_buffer(object obj,
         return 1
 
 def unpackb(object packed, object object_hook=None, object list_hook=None,
-            bint use_list=True, bint raw_as_bytes=True,
+            bint use_list=True, bint raw=True,
             encoding=None, unicode_errors="strict",
             object_pairs_hook=None, ext_hook=ExtType,
             Py_ssize_t max_str_len=2147483647, # 2**32-1
@@ -185,7 +185,7 @@ def unpackb(object packed, object object_hook=None, object list_hook=None,
     cdef int new_protocol = 0
 
     if encoding is not None:
-        PyErr_WarnEx(PendingDeprecationWarning, "encoding is deprecated, Use raw_as_bytes=False instead.", 1)
+        PyErr_WarnEx(PendingDeprecationWarning, "encoding is deprecated, Use raw=False instead.", 1)
         if isinstance(encoding, unicode):
             encoding = encoding.encode('ascii')
         elif not isinstance(encoding, bytes):
@@ -203,7 +203,7 @@ def unpackb(object packed, object object_hook=None, object list_hook=None,
     get_data_from_buffer(packed, &view, &buf, &buf_len, &new_protocol)
     try:
         init_ctx(&ctx, object_hook, object_pairs_hook, list_hook, ext_hook,
-                 use_list, raw_as_bytes, cenc, cerr,
+                 use_list, raw, cenc, cerr,
                  max_str_len, max_bin_len, max_array_len, max_map_len, max_ext_len)
         ret = unpack_construct(&ctx, buf, buf_len, &off)
     finally:
@@ -261,7 +261,7 @@ cdef class Unpacker(object):
         If true, unpack msgpack array to Python list.
         Otherwise, unpack to Python tuple. (default: True)
 
-    :param bool raw_as_bytes:
+    :param bool raw:
         If true, unpack msgpack raw to Python bytes (default).
         Otherwise, unpack to Python str (or unicode on Python 2) by decoding
         with UTF-8 encoding (recommended).
@@ -299,7 +299,7 @@ cdef class Unpacker(object):
         Limits max length of map. (default: 2**31-1)
 
     :param str encoding:
-        Deprecated, use raw_as_bytes instead.
+        Deprecated, use raw instead.
         Encoding used for decoding msgpack raw.
         If it is None (default), msgpack raw is deserialized to Python bytes.
 
@@ -310,13 +310,13 @@ cdef class Unpacker(object):
 
     Example of streaming deserialize from file-like object::
 
-        unpacker = Unpacker(file_like, raw_as_bytes=False)
+        unpacker = Unpacker(file_like, raw=False)
         for o in unpacker:
             process(o)
 
     Example of streaming deserialize from socket::
 
-        unpacker = Unpacker(raw_as_bytes=False)
+        unpacker = Unpacker(raw=False)
         while True:
             buf = sock.recv(1024**2)
             if not buf:
@@ -345,7 +345,7 @@ cdef class Unpacker(object):
         self.buf = NULL
 
     def __init__(self, file_like=None, Py_ssize_t read_size=0,
-                 bint use_list=True, bint raw_as_bytes=True,
+                 bint use_list=True, bint raw=True,
                  object object_hook=None, object object_pairs_hook=None, object list_hook=None,
                  encoding=None, unicode_errors='strict', int max_buffer_size=0,
                  object ext_hook=ExtType,
@@ -384,7 +384,7 @@ cdef class Unpacker(object):
         self.stream_offset = 0
 
         if encoding is not None:
-            PyErr_WarnEx(PendingDeprecationWarning, "encoding is deprecated, Use raw_as_bytes=False instead.", 1)
+            PyErr_WarnEx(PendingDeprecationWarning, "encoding is deprecated, Use raw=False instead.", 1)
             if isinstance(encoding, unicode):
                 self.encoding = encoding.encode('ascii')
             elif isinstance(encoding, bytes):
@@ -404,7 +404,7 @@ cdef class Unpacker(object):
             cerr = PyBytes_AsString(self.unicode_errors)
 
         init_ctx(&self.ctx, object_hook, object_pairs_hook, list_hook,
-                 ext_hook, use_list, raw_as_bytes, cenc, cerr,
+                 ext_hook, use_list, raw, cenc, cerr,
                  max_str_len, max_bin_len, max_array_len,
                  max_map_len, max_ext_len)
 
diff --git a/msgpack/fallback.py b/msgpack/fallback.py
index 675ee8a..bf6c9a6 100644
--- a/msgpack/fallback.py
+++ b/msgpack/fallback.py
@@ -145,7 +145,7 @@ class Unpacker(object):
         If true, unpack msgpack array to Python list.
         Otherwise, unpack to Python tuple. (default: True)
 
-    :param bool raw_as_bytes:
+    :param bool raw:
         If true, unpack msgpack raw to Python bytes (default).
         Otherwise, unpack to Python str (or unicode on Python 2) by decoding
         with UTF-8 encoding (recommended).
@@ -193,13 +193,13 @@ class Unpacker(object):
 
     example of streaming deserialize from file-like object::
 
-        unpacker = Unpacker(file_like, raw_as_bytes=False)
+        unpacker = Unpacker(file_like, raw=False)
         for o in unpacker:
             process(o)
 
     example of streaming deserialize from socket::
 
-        unpacker = Unpacker(raw_as_bytes=False)
+        unpacker = Unpacker(raw=False)
         while True:
             buf = sock.recv(1024**2)
             if not buf:
@@ -209,7 +209,7 @@ class Unpacker(object):
                 process(o)
     """
 
-    def __init__(self, file_like=None, read_size=0, use_list=True, raw_as_bytes=True,
+    def __init__(self, file_like=None, read_size=0, use_list=True, raw=True,
                  object_hook=None, object_pairs_hook=None, list_hook=None,
                  encoding=None, unicode_errors=None, max_buffer_size=0,
                  ext_hook=ExtType,
@@ -221,7 +221,7 @@ class Unpacker(object):
 
         if encoding is not None:
             warnings.warn(
-                "encoding is deprecated, Use raw_as_bytes=False instead.",
+                "encoding is deprecated, Use raw=False instead.",
                 PendingDeprecationWarning)
 
         if unicode_errors is not None:
@@ -257,7 +257,7 @@ class Unpacker(object):
         if read_size > self._max_buffer_size:
             raise ValueError("read_size must be smaller than max_buffer_size")
         self._read_size = read_size or min(self._max_buffer_size, 16*1024)
-        self._raw_as_bytes = bool(raw_as_bytes)
+        self._raw = bool(raw)
         self._encoding = encoding
         self._unicode_errors = unicode_errors
         self._use_list = use_list
@@ -606,7 +606,7 @@ class Unpacker(object):
         if typ == TYPE_RAW:
             if self._encoding is not None:
                 obj = obj.decode(self._encoding, self._unicode_errors)
-            elif self._raw_as_bytes:
+            elif self._raw:
                 obj = bytes(obj)
             else:
                 obj = obj.decode('utf_8')
@@ -715,7 +715,7 @@ class Packer(object):
             encoding = 'utf_8'
         else:
             warnings.warn(
-                "encoding is deprecated, Use raw_as_bytes=False instead.",
+                "encoding is deprecated, Use raw=False instead.",
                 PendingDeprecationWarning)
 
         if unicode_errors is None:
diff --git a/msgpack/unpack.h b/msgpack/unpack.h
index 8c2fc46..d7b5e00 100644
--- a/msgpack/unpack.h
+++ b/msgpack/unpack.h
@@ -21,7 +21,7 @@
 
 typedef struct unpack_user {
     bool use_list;
-    bool raw_as_bytes;
+    bool raw;
     bool has_pairs_hook;
     PyObject *object_hook;
     PyObject *list_hook;
@@ -229,7 +229,7 @@ static inline int unpack_callback_raw(unpack_user* u, const char* b, const char*
 
     if (u->encoding) {
         py = PyUnicode_Decode(p, l, u->encoding, u->unicode_errors);
-    } else if (u->raw_as_bytes) {
+    } else if (u->raw) {
         py = PyBytes_FromStringAndSize(p, l);
     } else {
         py = PyUnicode_DecodeUTF8(p, l, NULL);

[RFC] "raw_as_bytes" is bad name because "raw" is legacy name
Since I had been inactive for months, I forgot new spec renamed "raw" type as "str".

Naming new option as "raw_as_bytes" is bad idea.
Luckily, I didn't release it yet.

Let's rename the option name, but what name?
It should be short and clear, and based on Python 3 and new spec.

* decode
* decode_str
* str
* raw (`raw=True` returns bytes, and `raw=False` returns str/unicode)

For now, I prefer `raw`.  Any opinion?

Or should I stop removing `encoding` option?
I want support only UTF-8, and I don't want to use encoding name because
I should canonicalize the name.  (utf_8, utf8, utf-8, UTF-8, etc...)
diff --git a/test/test_limits.py b/test/test_limits.py
index 3febc30..74e48c1 100644
--- a/test/test_limits.py
+++ b/test/test_limits.py
@@ -39,11 +39,11 @@ def test_max_str_len():
     d = 'x' * 3
     packed = packb(d)
 
-    unpacker = Unpacker(max_str_len=3, raw_as_bytes=False)
+    unpacker = Unpacker(max_str_len=3, raw=False)
     unpacker.feed(packed)
     assert unpacker.unpack() == d
 
-    unpacker = Unpacker(max_str_len=2, raw_as_bytes=False)
+    unpacker = Unpacker(max_str_len=2, raw=False)
     with pytest.raises(UnpackValueError):
         unpacker.feed(packed)
         unpacker.unpack()
diff --git a/test/test_pack.py b/test/test_pack.py
index 29f5887..b447f9c 100644
--- a/test/test_pack.py
+++ b/test/test_pack.py
@@ -31,11 +31,11 @@ def testPack():
 def testPackUnicode():
     test_data = ["", "abcd", ["defgh"], "Русский текст"]
     for td in test_data:
-        re = unpackb(packb(td), use_list=1, raw_as_bytes=False)
+        re = unpackb(packb(td), use_list=1, raw=False)
         assert re == td
         packer = Packer()
         data = packer.pack(td)
-        re = Unpacker(BytesIO(data), raw_as_bytes=False, use_list=1).unpack()
+        re = Unpacker(BytesIO(data), raw=False, use_list=1).unpack()
         assert re == td
 
 def testPackUTF32():  # deprecated
@@ -72,14 +72,14 @@ def testIgnoreUnicodeErrors(): # deprecated
 
 def testStrictUnicodeUnpack():
     with raises(UnicodeDecodeError):
-        unpackb(packb(b'abc\xeddef'), raw_as_bytes=False, use_list=1)
+        unpackb(packb(b'abc\xeddef'), raw=False, use_list=1)
 
 def testStrictUnicodePack():  # deprecated
     with raises(UnicodeEncodeError):
         packb("abc\xeddef", encoding='ascii', unicode_errors='strict')
 
 def testIgnoreErrorsPack():  # deprecated
-    re = unpackb(packb("abcФФФdef", encoding='ascii', unicode_errors='ignore'), raw_as_bytes=False, use_list=1)
+    re = unpackb(packb("abcФФФdef", encoding='ascii', unicode_errors='ignore'), raw=False, use_list=1)
     assert re == "abcdef"
 
 def testDecodeBinary():
diff --git a/test/test_stricttype.py b/test/test_stricttype.py
index 13239f1..87e7c1c 100644
--- a/test/test_stricttype.py
+++ b/test/test_stricttype.py
@@ -11,7 +11,7 @@ def test_namedtuple():
             return dict(o._asdict())
         raise TypeError('Unsupported type %s' % (type(o),))
     packed = packb(T(1, 42), strict_types=True, use_bin_type=True, default=default)
-    unpacked = unpackb(packed, raw_as_bytes=False)
+    unpacked = unpackb(packed, raw=False)
     assert unpacked == {'foo': 1, 'bar': 42}
 
 
@@ -32,7 +32,7 @@ def test_tuple():
         return o
 
     data = packb(t, strict_types=True, use_bin_type=True, default=default)
-    expected = unpackb(data, raw_as_bytes=False, object_hook=convert)
+    expected = unpackb(data, raw=False, object_hook=convert)
 
     assert expected == t
 
@@ -53,10 +53,10 @@ def test_tuple_ext():
     def convert(code, payload):
         if code == MSGPACK_EXT_TYPE_TUPLE:
             # Unpack and convert to tuple
-            return tuple(unpackb(payload, raw_as_bytes=False, ext_hook=convert))
+            return tuple(unpackb(payload, raw=False, ext_hook=convert))
         raise ValueError('Unknown Ext code {}'.format(code))
 
     data = packb(t, strict_types=True, use_bin_type=True, default=default)
-    expected = unpackb(data, raw_as_bytes=False, ext_hook=convert)
+    expected = unpackb(data, raw=False, ext_hook=convert)
 
     assert expected == t
diff --git a/test/test_unpack.py b/test/test_unpack.py
index 143f999..00a1061 100644
--- a/test/test_unpack.py
+++ b/test/test_unpack.py
@@ -48,7 +48,7 @@ def test_unpacker_ext_hook():
 
         def __init__(self):
             super(MyUnpacker, self).__init__(
-                ext_hook=self._hook, raw_as_bytes=False)
+                ext_hook=self._hook, raw=False)
 
         def _hook(self, code, data):
             if code == 1:

pip install -e .
parse_log_pytest
requirements.txt
pytest
apt-get update apt-get install -y gcc
3.6
requirements.txt
pytest --no-header -rA --tb=line --color=no -p no:cacheprovider -W ignore::DeprecationWarning
attrs==22.2.0
certifi==2021.5.30
Cython==0.27.3
importlib-metadata==4.8.3
iniconfig==1.1.1
-e git+https://github.com/msgpack/msgpack-python.git@d9ec8fc905fc9ed37c86700f794adeb883b4f5ea#egg=msgpack
packaging==21.3
pluggy==1.0.0
py==1.11.0
pyparsing==3.1.4
pytest==7.0.1
tomli==1.2.3
typing_extensions==4.1.1
zipp==3.6.0

name: msgpack-python
channels:
  - defaults
  - https://repo.anaconda.com/pkgs/main
  - https://repo.anaconda.com/pkgs/r
  - conda-forge
dependencies:
  - _libgcc_mutex=0.1=main
  - _openmp_mutex=5.1=1_gnu
  - ca-certificates=2025.2.25=h06a4308_0
  - certifi=2021.5.30=py36h06a4308_0
  - ld_impl_linux-64=2.40=h12ee557_0
  - libffi=3.3=he6710b0_2
  - libgcc-ng=11.2.0=h1234567_1
  - libgomp=11.2.0=h1234567_1
  - libstdcxx-ng=11.2.0=h1234567_1
  - ncurses=6.4=h6a678d5_0
  - openssl=1.1.1w=h7f8727e_0
  - pip=21.2.2=py36h06a4308_0
  - python=3.6.13=h12debd9_1
  - readline=8.2=h5eee18b_0
  - setuptools=58.0.4=py36h06a4308_0
  - sqlite=3.45.3=h5eee18b_0
  - tk=8.6.14=h39e8969_0
  - wheel=0.37.1=pyhd3eb1b0_0
  - xz=5.6.4=h5eee18b_1
  - zlib=1.2.13=h5eee18b_1
  - pip:
      - attrs==22.2.0
      - cython==0.27.3
      - importlib-metadata==4.8.3
      - iniconfig==1.1.1
      - packaging==21.3
      - pluggy==1.0.0
      - py==1.11.0
      - pyparsing==3.1.4
      - pytest==7.0.1
      - tomli==1.2.3
      - typing-extensions==4.1.1
      - zipp==3.6.0
prefix: /opt/conda/envs/msgpack-python

test/test_limits.py::test_max_str_len test/test_pack.py::testPackUnicode test/test_pack.py::testStrictUnicodeUnpack test/test_pack.py::testIgnoreErrorsPack test/test_stricttype.py::test_namedtuple test/test_stricttype.py::test_tuple test/test_stricttype.py::test_tuple_ext test/test_unpack.py::test_unpacker_ext_hook
test/test_limits.py::test_integer test/test_limits.py::test_array_header test/test_limits.py::test_map_header test/test_limits.py::test_max_bin_len test/test_limits.py::test_max_array_len test/test_limits.py::test_max_map_len test/test_limits.py::test_max_ext_len test/test_pack.py::testPack test/test_pack.py::testPackUTF32 test/test_pack.py::testPackBytes test/test_pack.py::testPackByteArrays test/test_pack.py::testIgnoreUnicodeErrors test/test_pack.py::testStrictUnicodePack test/test_pack.py::testDecodeBinary test/test_pack.py::testPackFloat test/test_pack.py::testArraySize test/test_pack.py::test_manualreset test/test_pack.py::testMapSize test/test_pack.py::test_odict test/test_pack.py::test_pairlist test/test_unpack.py::test_unpack_array_header_from_file test/test_unpack.py::test_unpacker_hook_refcnt
README.rst Makefile msgpack/unpack.h msgpack/_unpacker.pyx msgpack/fallback.py
README.rst Makefile msgpack/unpack.h msgpack/_unpacker.pyx msgpack/fallback.py