doc/go1.21: add release notes for parent goroutine in stack traces

For #38651.

Change-Id: Ie73c1da0629287efda7f0c617e94a7f3a881eee7
Reviewed-on: https://go-review.googlesource.com/c/go/+/501336
Reviewed-by: Eli Bendersky <eliben@google.com>
TryBot-Bypass: Michael Knyszek <mknyszek@google.com>
Auto-Submit: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Austin Clements <austin@google.com>

diff --git a/doc/go1.21.html b/doc/go1.21.html
index daaa3444b7830c79e485e2b1ea2acdcb51cee10f..15533a28090a7a7c4eae477f839564ed46e5ca27 100644 (file)
--- a/doc/go1.21.html
+++ b/doc/go1.21.html
@@ -884,8 +884,12 @@ Do not send CLs removing the interior tags from such phrases.
 
 <dl id="runtime"><dt><a href="/pkg/runtime/">runtime</a></dt>
   <dd>
-    <p><!-- https://go.dev/issue/38651 -->
-      TODO: <a href="https://go.dev/issue/38651">https://go.dev/issue/38651</a>: add &#39;created by goroutine number&#39; to stack traces
+    <p><!-- https://go.dev/issue/38651, CL 435337 -->
+      Textual stack traces produced by Go programs, such as those
+      produced when crashing, calling <code>runtime.Stack</code>, or
+      collecting a goroutine profile with <code>debug=2</code>, now
+      include the IDs of the goroutines that created each goroutine in
+      the stack trace.
     </p>
 
     <p><!-- https://go.dev/issue/57441, CL 474915 -->