diff --git a/docs/DEVNOTES b/docs/DEVNOTES
index abd2e3688..7fe14f7d0 100644
--- a/docs/DEVNOTES
+++ b/docs/DEVNOTES
@@ -158,10 +158,11 @@ BUGFIXES
 
 - #600: windows / open_files(): support network file handles.
 
-REJECTED
-========
+REJECTED IDEAS
+==============
 
 - #550: threads per core
+- #1667: process_iter(new_only=True)
 
 INCONSISTENCIES
 ===============
diff --git a/psutil/__init__.py b/psutil/__init__.py
index 2f4e147fb..22bb46f3f 100644
--- a/psutil/__init__.py
+++ b/psutil/__init__.py
@@ -1427,7 +1427,6 @@ def process_iter(attrs=None, ad_value=None):
     to returned Process instance.
     If *attrs* is an empty list it will retrieve all process info
     (slow).
-
     """
     def add(pid):
         proc = Process(pid)
@@ -1449,8 +1448,8 @@ def remove(pid):
         remove(pid)
 
     with _lock:
-        ls = list(dict.fromkeys(new_pids).items())
-        ls.sort()
+        ls = sorted(list(_pmap.items()) +
+                    list(dict.fromkeys(new_pids).items()))
 
     for pid, proc in ls:
         try: