doc: document Go 1.12.9

dmitshur · dmitshur · commit 0212f0410f84 · 2019-08-15T17:49:11.000Z
Change-Id: I88b7e085fc70f9c021788d364099f5bc6b705ba8 Reviewed-on: https://go-review.googlesource.com/c/go/+/190438 Reviewed-by: Filippo Valsorda <filippo@golang.org>
diff --git a/doc/devel/release.html b/doc/devel/release.html
@@ -91,6 +91,13 @@ <h3 id="go1.12.minor">Minor revisions</h3>
 1.12.8 milestone</a> on our issue tracker for details.
 </p>
 
+<p>
+go1.12.9 (released 2019/08/15) includes fixes to the linker,
+and the <code>os</code> and <code>math/big</code> packages.
+See the <a href="https://github.com/golang/go/issues?q=milestone%3AGo1.12.9+label%3ACherryPickApproved">Go
+1.12.9 milestone</a> on our issue tracker for details.
+</p>
+
 <h2 id="go1.11">go1.11 (released 2018/08/24)</h2>
 
 <p>
