diff --git a/Misc/NEWS b/Misc/NEWS
index d1be39c..355633d 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -74,6 +74,10 @@
 Extension Modules
 -----------------
 
+- Issue #2975: When compiling several extension modules with Visual Studio 2008
+  from the same python interpreter, some environment variables would grow
+  without limit.
+
 - Issue #3643: Added a few more checks to _testcapi to prevent segfaults by
   exploitation of poor argument checking.