diff -r 71b77b61ed60 -r 511d6ae462f3 mercurial/templatekw.py
--- a/mercurial/templatekw.py	Sun Aug 06 11:40:53 2017 -0700
+++ b/mercurial/templatekw.py	Wed Aug 02 11:32:25 2017 +0200
@@ -765,9 +765,21 @@
     return repo.ui.termwidth()
 
 @templatekeyword('troubles')
-def showtroubles(**args):
+def showtroubles(repo, **args):
     """List of strings. Evolution troubles affecting the changeset.
 
+    (DEPRECATED)
+    """
+    msg = ("'troubles' is deprecated, "
+           "use 'instabilities'")
+    repo.ui.deprecwarn(msg, '4.4')
+
+    return showinstabilities(repo=repo, **args)
+
+@templatekeyword('instabilities')
+def showinstabilities(**args):
+    """List of strings. Evolution instabilities affecting the changeset.
+
     (EXPERIMENTAL)
     """
     args = pycompat.byteskwargs(args)