Update the changelog for 4.2.0.rc1 release

CHANGELOG.md

@@ -1,9 +1,32 @@
 ## 4.2.0 (unreleased)
 
-- Removes the element `picture_gallery` feature [#1358](https://github.com/AlchemyCMS/alchemy_cms/pull/1358) by [tvdeyen](https://github.com/tvdeyen)
-  Use nestable elements instead. An upgrader is available.
-- Add a compact nested element style [#1357](https://github.com/AlchemyCMS/alchemy_cms/pull/1357) by [tvdeyen](https://github.com/tvdeyen)
+- Use element name local in generators [#1556](https://github.com/AlchemyCMS/alchemy_cms/pull/1556) ([tvdeyen](https://github.com/tvdeyen))
+- Remove invalid bytecode handler [#1555](https://github.com/AlchemyCMS/alchemy_cms/pull/1555) ([tvdeyen](https://github.com/tvdeyen))
+- Separate render element calls [#1554](https://github.com/AlchemyCMS/alchemy_cms/pull/1554) ([tvdeyen](https://github.com/tvdeyen))
+- Expose the element into partials as local object [#1553](https://github.com/AlchemyCMS/alchemy_cms/pull/1553) ([tvdeyen](https://github.com/tvdeyen))
+- Allow admins to switch all languages [#1552](https://github.com/AlchemyCMS/alchemy_cms/pull/1552) ([tvdeyen](https://github.com/tvdeyen))
+- Raise targeted Ruby version to 2.3 [#1545](https://github.com/AlchemyCMS/alchemy_cms/pull/1545) ([tvdeyen](https://github.com/tvdeyen))
+- Introduces an Elements finder class [#1544](https://github.com/AlchemyCMS/alchemy_cms/pull/1544) ([tvdeyen](https://github.com/tvdeyen))
+- Fixate sqlite dep for bug fix [#1543](https://github.com/AlchemyCMS/alchemy_cms/pull/1543) ([tvdeyen](https://github.com/tvdeyen))
+- Upgrade shoulda-matchers to version 4.0.0 [#1542](https://github.com/AlchemyCMS/alchemy_cms/pull/1542) ([depfu](https://github.com/apps/depfu))
+- Upgrade factory_bot_rails to version 5.0.1 [#1540](https://github.com/AlchemyCMS/alchemy_cms/pull/1540) ([depfu](https://github.com/apps/depfu))
+- Use Flatpickr as Datepicker [#1533](https://github.com/AlchemyCMS/alchemy_cms/pull/1533) ([mamhoff](https://github.com/mamhoff))
+-  Use system tests over feature specs [#1528](https://github.com/AlchemyCMS/alchemy_cms/pull/1528) ([tvdeyen](https://github.com/tvdeyen))
+- Flexible width for admin navigation entry labels [#1527](https://github.com/AlchemyCMS/alchemy_cms/pull/1527) ([tvdeyen](https://github.com/tvdeyen))
+- Responsive elements window and sidebar [#1519](https://github.com/AlchemyCMS/alchemy_cms/pull/1519) ([tvdeyen](https://github.com/tvdeyen))
+- Change element eye icon on public state [#1517](https://github.com/AlchemyCMS/alchemy_cms/pull/1517) ([oniram88](https://github.com/oniram88))
+- Maximize element window if Tinymce is fullscreen [#1515](https://github.com/AlchemyCMS/alchemy_cms/pull/1515) ([tvdeyen](https://github.com/tvdeyen))
+- Remove cells in favour of fixed elements [#1514](https://github.com/AlchemyCMS/alchemy_cms/pull/1514) ([tvdeyen](https://github.com/tvdeyen))
+- Feature: Autogenerate nestable elements [#1513](https://github.com/AlchemyCMS/alchemy_cms/pull/1513) ([tvdeyen](https://github.com/tvdeyen))
+- Allow "data" key for module navigations [#1512](https://github.com/AlchemyCMS/alchemy_cms/pull/1512) ([mamhoff](https://github.com/mamhoff))
+- Allow to define layout for page previews [#1500](https://github.com/AlchemyCMS/alchemy_cms/pull/1500) ([westonganger](https://github.com/westonganger))
+- Fix capitalization for login/logout/leave [#1497](https://github.com/AlchemyCMS/alchemy_cms/pull/1497) ([westonganger](https://github.com/westonganger))
+- Verify controller keys within `register_module` [#1495](https://github.com/AlchemyCMS/alchemy_cms/pull/1495) ([westonganger](https://github.com/westonganger))
+- Update bundled Tinymce to 4.8.3 [#1491](https://github.com/AlchemyCMS/alchemy_cms/pull/1491) ([tvdeyen](https://github.com/tvdeyen))
+- Use dynamic attributes in factories [#1484](https://github.com/AlchemyCMS/alchemy_cms/pull/1484) ([tvdeyen](https://github.com/tvdeyen))
 - Migrating to active_model_serializers ~> 0.10.0 [#1478](https://github.com/AlchemyCMS/alchemy_cms/pull/1478) ([pmashchak](https://github.com/pmashchak))
+- Replace picture galleries with nestable elements [#1358](https://github.com/AlchemyCMS/alchemy_cms/pull/1358) ([tvdeyen](https://github.com/tvdeyen))
+- Add a compact nested element style [#1357](https://github.com/AlchemyCMS/alchemy_cms/pull/1357) by [tvdeyen](https://github.com/tvdeyen)
 
 ## 4.1.0 (2018-09-22)