Update CHANGELOG

Author: José Valim

CHANGELOG.md

@@ -4,6 +4,10 @@
 
 * Enhancements
   * [Elixir] Support Erlang 17.5 and 18.0
+  * [Mix] Support "--search PATTERN" in "mix help"
+  * [Mix] Support `:start_permanent` that starts the application as permanent
+  * [Mix] Support `:build_embedded` that compile protocols, avoid symlinks and ensure protocols are loaded on boot
+  * [Mix] Make "mix app.start" public and support "--permanent" and "--temporary" options
   * [URI] Speed decoding operations
 
 * Bug fixes

lib/mix/lib/mix/tasks/app.start.ex

@@ -56,7 +56,7 @@ defmodule Mix.Tasks.App.Start do
       # or not.
       #
       # Mix should not depend directly on Logger so check that it's loaded.
-      if Code.ensure_loaded?(Logger), do: Logger.App.stop()
+      if Process.whereis(Logger), do: Logger.App.stop()
       start(Mix.Project.config, opts)
     end
   end