v1.2.1

Update version in setup.py to 1.2.1 and add comprehensive CHANGELOG
entry documenting performance and code quality improvements.

Author: dingosky

CHANGELOG.rst

@@ -2,6 +2,20 @@
 Changelog
 =========
 
+-------------------
+v1.2.1 (2025-11-14)
+-------------------
+
+* Performance improvements
+  * Use dictionary dispatch for encoder selection (O(1) vs O(n))
+  * Cache encoder functions to avoid recreation
+  * Add ``__slots__`` to frequently instantiated classes
+* Code quality improvements
+  * Add comprehensive type hints
+  * Extract magic numbers to named constants
+  * Use namedtuple for multi-value returns
+  * Remove duplicate encoder creation
+
 -------------------
 v1.2.0 (2023-08-08)
 -------------------
@@ -12,7 +26,6 @@ v1.2.0 (2023-08-08)
   * Crockford32
   * WordSafe32 (Another avoid words strategy)
 
-
 -------------------
 v1.1.0 (2022-08-04)
 -------------------
@@ -25,7 +38,6 @@ v1.1.0 (2022-08-04)
 * Update README
 * Create test helpers
 
-
 -------------------
 v1.0.0 (2022-07-29)
 -------------------

setup.py

@@ -23,7 +23,7 @@ def read(*names, **kwargs):
 
 setup(
     name='puid-py',
-    version='1.2.0',
+    version='1.2.1',
     license='MIT',
     description='Simple, flexible and efficient generation of probably unique identifiers (`puid`, '
     'aka random strings) of intuitively specified entropy using pre-defined or custom characters, '