Some more ChangeLog additions I know about

docs/ChangeLog

@@ -6,8 +6,12 @@ New in 2017.11:
     + Exceptions in END blocks no longer cause LTA errors [142c1d65][fff43fd7]
     + Lock.protect no longer leaks Proxies out, RT #132225 [be9e19ef]
     + R:I:JSON handles (potentially recursive) Exceptions [3cba6204]
+    + Empty Set/SetHash.perl corrected [af3624d4]
 
  + Additions:
+    + my %h is (Set|SetHash|Bag|BagHash|Mix|MixHash) now DWIM
+        [1949a2bc][6ac2b15c][aab2b983][b6a4d5b5]
+    + Kernel.cpu-cores returning the number of CPU cores available [61af87bc]
     + Telemetry module providing an easy interface to system state reporting
         [cbd4f212][273168d7][3e175c83][7f154fe2][3dfaa2ae][59a59be8][52440486]
         [b30916f3][b30916f3][f7d21b5d][ae1f0fda][f72ad227][4b4429cc][58249a52]
@@ -19,10 +23,15 @@ New in 2017.11:
         [0f2f0cd3][22939bc8][77142fdb][ab03b54c][fc9e7241][948a3fa4][f8e1a5fa]
         [17db03eb][14e2016c][2dcefa1c][345fbf5a][b80d486c][3e4ccce9][86e9f44a]
         [f87d8ef8][5f4b61b1][e5912337][de961b81][d6f1077d][ba49b343][1aa83a78]
-        [06cbe9c2][246f4101][d6a3a7a1][88a9cb25]
+        [06cbe9c2][246f4101][d6a3a7a1][88a9cb25][2c84f77e]
  + Removals:
  + Build system:
  + Efficiency:
+    + .sum on native num arrays 11x faster [b849622e]
+    + Some ThreadPoolScheduler improvements
+        [e513f19d][6ac53e42][2cd568f9][6bf58921][6de66df7][6aa150db][09e038cd]
+        [a7972a0c][260e4a3a][a9b8854a][09492179]
+    + Minor IterationBuffer improvements [c15e80de]
  + Internal:
     + Thread now keeping internal statistics, e.g. for Telemetry
         [68b2891d][77048b6a][cb4d8b66]