Prepare 12.6.1 release.

HexDecimal · HexDecimal · commit 08934cdb4b7f · 2021-06-09T18:12:43.000-07:00
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
@@ -8,6 +8,9 @@ v2.0.0
 
 Unreleased
 ------------------
+
+12.6.1 - 2021-06-09
+-------------------
 Fixed
  - Fixed version mismatch when building from sources.
 
