Added May changelog

Author: wouterj

changelog.rst

@@ -24,6 +24,7 @@ New Documentation
 * `#6412 <https://github.com/symfony/symfony-docs/pull/6412>`_ added a maintenance document (fabpot)
 * `#6554 <https://github.com/symfony/symfony-docs/pull/6554>`_ Adding information about using the date type as usable date picker field (weaverryan)
 * `#6590 <https://github.com/symfony/symfony-docs/pull/6590>`_ Added note on YAML mappings as objects (dantleech)
+* `#6378 <https://github.com/symfony/symfony-docs/pull/6378>`_ refs #5898 Fix updates of testing.rst for 3.0 (guilliamxavier)
 * `#6583 <https://github.com/symfony/symfony-docs/pull/6583>`_ Adding a description for the use_microseconds parameter introduced in MonologBundle v2.11 (jorgelbg)
 * `#6582 <https://github.com/symfony/symfony-docs/pull/6582>`_ Advanced YAML component usage (dantleech)
 * `#6594 <https://github.com/symfony/symfony-docs/pull/6594>`_  Allowed to return null for query_builder (JonEastman)
@@ -49,9 +50,11 @@ Minor Documentation Changes
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 * `#6601 <https://github.com/symfony/symfony-docs/pull/6601>`_ Deprecated usage of AsseticBundle removed from bundles.rst (Vehsamrak)
+* `#6624 <https://github.com/symfony/symfony-docs/pull/6624>`_ remove versionadded directive for 2.x features (xabbuh)
 * `#6620 <https://github.com/symfony/symfony-docs/pull/6620>`_ Move PSR to correct place on index page (WouterJ)
 * `#6609 <https://github.com/symfony/symfony-docs/pull/6609>`_ Use a better escaping mechanism for data-prototype attr (javiereguiluz)
 * `#6380 <https://github.com/symfony/symfony-docs/pull/6380>`_ [book] [validation] Constraints can be applied to an entire class too (sustmi)
+* `#6459 <https://github.com/symfony/symfony-docs/pull/6459>`_ Remove choices as values in 3.0 (weaverryan)
 * `#6444 <https://github.com/symfony/symfony-docs/pull/6444>`_ [Form] fixed EntityType choice options (HeahDude)
 * `#6367 <https://github.com/symfony/symfony-docs/pull/6367>`_ Simplified the contribution article for Symfony Docs (javiereguiluz)
 * `#6419 <https://github.com/symfony/symfony-docs/pull/6419>`_ Update routing.rst (tamtamchik)
@@ -72,10 +75,13 @@ Minor Documentation Changes
 * `#6553 <https://github.com/symfony/symfony-docs/pull/6553>`_ EntityType: query_builder link to usage (weaverryan)
 * `#6572 <https://github.com/symfony/symfony-docs/pull/6572>`_ Edited BowerPHP tip (SecondeJK)
 * `#6575 <https://github.com/symfony/symfony-docs/pull/6575>`_ Rename command logging services (sroze)
+* `#6577 <https://github.com/symfony/symfony-docs/pull/6577>`_ [Cookbook][Profiler] Remove mention of import/export (hason)
 * `#6571 <https://github.com/symfony/symfony-docs/pull/6571>`_ [Cookbook][Console] Minor: Fix typo (andreia)
 * `#6570 <https://github.com/symfony/symfony-docs/pull/6570>`_ Fix typo (jdreesen)
 * `#6568 <https://github.com/symfony/symfony-docs/pull/6568>`_ fix RequestDataCollector class namespace (xabbuh)
 * `#6566 <https://github.com/symfony/symfony-docs/pull/6566>`_ Update options_resolver.rst (snake77se)
+* `#6548 <https://github.com/symfony/symfony-docs/pull/6548>`_ merge choice_translation_domain files (xabbuh)
+* `#6547 <https://github.com/symfony/symfony-docs/pull/6547>`_ remove 2.x versionadded directives (xabbuh)
 * `#6563 <https://github.com/symfony/symfony-docs/pull/6563>`_ [PhpUnitBridge] Add versionadded directive to clock mocking section (z38)
 * `#6549 <https://github.com/symfony/symfony-docs/pull/6549>`_ drop AppBundle examples in components section (xabbuh)
 * `#6562 <https://github.com/symfony/symfony-docs/pull/6562>`_ Remove extra spaces in Nginx template (bocharsky-bw)