diff --git a/HISTORY.rst b/HISTORY.rst
index 79e86f67..a4d8907d 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -53,6 +53,7 @@ PlatformIO 4.0
 * **Infrastructure**
 
   - Python 3 support (`issue #895 <https://github.com/platformio/platformio-core/issues/895>`_)
+  - Significantly speedup back-end for PIO Home. It works super fast now!
   - Added support for the latest Python "Click" package (CLI) (`issue #349 <https://github.com/platformio/platformio-core/issues/349>`_)
   - Added options to override default locations used by PlatformIO Core (`core_dir <http://docs.platformio.org/page/projectconf/section_platformio.html#core-dir>`__, `globallib_dir <http://docs.platformio.org/page/projectconf/section_platformio.html#globallib-dir>`__, `platforms_dir <http://docs.platformio.org/page/projectconf/section_platformio.html#platforms-dir>`__, `packages_dir <http://docs.platformio.org/page/projectconf/section_platformio.html#packages-dir>`__, `cache_dir <http://docs.platformio.org/page/projectconf/section_platformio.html#cache-dir>`__) (`issue #1615 <https://github.com/platformio/platformio-core/issues/1615>`_)
   - Removed line-buffering from `platformio run <http://docs.platformio.org/page/userguide/cmd_run.html>`__ command which was leading to omitting progress bar from upload tools (`issue #856 <https://github.com/platformio/platformio-core/issues/856>`_)