From 71888fe4b0d804f44371944f93f12442a6b0a862 Mon Sep 17 00:00:00 2001
From: "Bryan C. Mills" <bcmills@google.com>
Date: Fri, 14 Jan 2022 11:46:42 -0500
Subject: [PATCH] doc/go1.18: add a release note for 'go mod tidy' checksum
 changes
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Updates #47738
Fixes #49598

Change-Id: I708dcb880a701699116227a9eaca994cf460fef9
Reviewed-on: https://go-review.googlesource.com/c/go/+/378577
Trust: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Trust: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gopher Robot <gobot@golang.org>
---
 doc/go1.18.html | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/doc/go1.18.html b/doc/go1.18.html
index f23f2b8562..133bfe0ef2 100644
--- a/doc/go1.18.html
+++ b/doc/go1.18.html
@@ -300,6 +300,16 @@ Do not send CLs removing the interior tags from such phrases.
   option <code>-fsanitize=address</code>).
 </p>
 
+<p><!-- https://golang.org/issue/47738 -->
+  The <code>go</code> <code>mod</code> <code>tidy</code> command now retains
+  additional checksums in the <code>go.sum</code> file for modules whose source
+  code is needed to verify that each imported package is provided by only one
+  module in the <a href="/ref/mod#glos-build-list">build list</a>. Because this
+  condition is rare and failure to apply it results in a build error, this
+  change is <em>not</em> conditioned on the <code>go</code> version in the main
+  module's <code>go.mod</code> file.
+</p>
+
 <p><!-- https://golang.org/issue/45713 -->
   The <code>go</code> command now supports a "Workspace" mode. If a
   <code>go.work</code> file is found in the working directory or a
-- 
2.50.0