diff -r dd000a958364 -r a9454beb9dd8 mercurial/hgweb/webutil.py
--- a/mercurial/hgweb/webutil.py	Sat Nov 18 13:00:47 2017 +0800
+++ b/mercurial/hgweb/webutil.py	Sat Nov 18 11:58:57 2017 +0800
@@ -361,6 +361,7 @@
         'date': ctx.date(),
         'extra': ctx.extra(),
         'phase': ctx.phasestr(),
+        'obsolete': ctx.obsolete(),
         'branch': nodebranchnodefault(ctx),
         'inbranch': nodeinbranch(repo, ctx),
         'branches': nodebranchdict(repo, ctx),