bump version 1.2.2

hit9 · hit9 · commit 7921cdcb5a1e · 2025-09-20T17:16:17.000+08:00
diff --git a/changes.rst b/changes.rst
@@ -1,5 +1,14 @@
 .. currentmodule:: bitproto
 
+Version 1.2.2
+-------------
+
+.. _version-1.2.2:
+
+Warning: May break some existing projects's generated names:
+
+- Improve `snake_case` function. #74, #75
+
 Version 1.2.1
 -------------
 
diff --git a/compiler/bitproto/__init__.py b/compiler/bitproto/__init__.py
@@ -8,5 +8,5 @@
 
 """
 
-__version__ = "1.2.1"
+__version__ = "1.2.2"
 __description__ = "bit level data interchange format."
