Register decimals as numbers.Number
diff --git a/Misc/NEWS b/Misc/NEWS
index ebff3a1..2be82dc 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -213,6 +213,8 @@
 - Issue #1885: distutils. When running sdist with --formats=tar,gztar
   the tar file was overriden by the gztar one.
 
+- Registered Decimal as a numbers.Number.
+
 - Issue #1672332: fix unpickling of subnormal floats, which was
   producing a ValueError on some platforms.