Bump for release

Author: sbidoul

NEWS.rst

@@ -9,6 +9,21 @@
 
 .. towncrier release notes start
 
+21.1.2 (2021-05-23)
+===================
+
+Bug Fixes
+---------
+
+- New resolver: Correctly exclude an already installed package if its version is
+  known to be incompatible to stop the dependency resolution process with a clear
+  error message. (`#9841 <https://github.com/pypa/pip/issues/9841>`_)
+- Allow ZIP to archive files with timestamps earlier than 1980. (`#9910 <https://github.com/pypa/pip/issues/9910>`_)
+- Emit clearer error message when a project root does not contain either
+  ``pyproject.toml``, ``setup.py`` or ``setup.cfg``. (`#9944 <https://github.com/pypa/pip/issues/9944>`_)
+- Fix detection of existing standalone pip instance for PEP 517 builds. (`#9953 <https://github.com/pypa/pip/issues/9953>`_)
+
+
 21.1.1 (2021-04-30)
 ===================
 

news/9841.bugfix.rst

@@ -1,6 +1,6 @@
 from typing import List, Optional
 
-__version__ = "21.2.dev0"
+__version__ = "21.1.2"
 
 
 def main(args=None):