Issue #20243: TarFile no longer raise ReadError when opened in write mode.
diff --git a/Misc/NEWS b/Misc/NEWS
index c1221b5..abafed7 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -35,6 +35,8 @@
 Library
 -------
 
+- Issue #20243: TarFile no longer raise ReadError when opened in write mode.
+
 - Issue #20245: The open functions in the tarfile module now correctly handle
   empty mode.