diff --git a/NEWS.md b/NEWS.md
index d21dc151..448888cb 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,12 @@
+5.0.12 2021-09-11
+=================
+
+* Add Python version 3.9.7
+* Document unmarshal beter
+* Correct stack information for IMPORT_NAME
+* Fix bug in code type handling where bytes were showing up as strings
+* More type annotations in master branch. Create more older variations without annotations
+
 5.0.11 2021-07-05
 ================
 
diff --git a/xdis/unmarshal.py b/xdis/unmarshal.py
index 2c3e5695..9994b352 100644
--- a/xdis/unmarshal.py
+++ b/xdis/unmarshal.py
@@ -95,7 +95,7 @@ def long(n):
 }
 
 
-def compat_str(s):
+def compat_str(s: str) -> str:
     """
     This handles working with strings between Python2 and Python3.
     """
@@ -300,7 +300,7 @@ def t_binary_complex(self, save_ref, bytes_for_s=False):
         return self.r_ref(complex(real, imag), save_ref)
 
     # Note: could mean bytes in Python3 processing Python2 bytecode
-    def t_string(self, save_ref, bytes_for_s):
+    def t_string(self, save_ref, bytes_for_s: bool):
         """
         In Python3 this is a bytes types. In Python2 it is a string.
         `bytes_for_s` distinguishes what we need.
diff --git a/xdis/version.py b/xdis/version.py
index e81c377b..856cb4d8 100644
--- a/xdis/version.py
+++ b/xdis/version.py
@@ -4,4 +4,4 @@
 # well as importing into Python. That's why there is no
 # space around "=" below.
 # fmt: off
-__version__="5.0.11"  # noqa
+__version__="5.0.12"  # noqa