1 files changed, 3 insertions, 0 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index 7af4fae..93bc1db 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -21,6 +21,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #15509: webbrowser.UnixBrowser no longer passes empty arguments to
+  Popen when %action substitutions produce empty strings.
+
 - Issue #12776,#11839: call argparse type function (specified by add_argument)
   only once. Before, the type function was called twice in the case where the
   default was specified and the argument was given as well.  This was