diff --git a/Misc/ACKS b/Misc/ACKS
index a7837a4..fe27994 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -208,6 +208,7 @@
 Nicolas Chauvat
 Jerry Chen
 Michael Chermside
+Ingrid Cheung
 Albert Chin-A-Young
 Adal Chiriliuc
 Matt Chisholm
@@ -786,6 +787,7 @@
 Greg McFarlane
 Alan McIntyre
 Michael McLay
+Brendan McLoughlin
 Mark Mc Mahon
 Gordon McMillan
 Andrew McNamara
diff --git a/Misc/NEWS b/Misc/NEWS
index a67ce0b..dde410f 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,10 @@
 Core and Builtins
 -----------------
 
+- Issue #17413: sys.settrace callbacks were being passed a string instead of an
+  exception instance for the 'value' element of the arg tuple if the exception
+  originated from C code; now an exception instance is always provided.
+
 - Issue #17782: Fix undefined behaviour on platforms where
   ``struct timespec``'s "tv_nsec" member is not a C long.