Release 1.2.1 (#5497)

Author: crwilcox

CHANGELOG.md

@@ -4,6 +4,12 @@
 
 [1]: https://pypi.org/project/google-api-core/#history
 
+## 1.2.1
+
+### Implementation Changes
+- Make client_info work without gRPC installed. (#5075)
+- Rename `x-goog-header-params` to `x-goog-request-params` (#5495)
+
 ## 1.2.0
 
 ### Implementation Changes

setup.py

@@ -22,7 +22,7 @@
 
 name = 'google-api-core'
 description = 'Google API client core library'
-version = '1.2.0'
+version = '1.2.1'
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'