Merge "[MCR] Set MCR migration stage to write-both/read-new."

diff --combined includes/DefaultSettings.php
index 702ea54,29405b5..343e80d
--- 1/includes/DefaultSettings.php
--- 2/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@@ -7359,7 -7359,7 +7359,7 @@@ $wgExtensionMessagesFiles = []
   * @code
   *    $wgMessagesDirs['Example'] = [
   *        __DIR__ . '/lib/ve/i18n',
 - *        __DIR__ . '/lib/oojs-ui/i18n',
 + *        __DIR__ . '/lib/ooui/i18n',
   *        __DIR__ . '/i18n',
   *    ]
   * @endcode
@@@ -8998,7 -8998,7 +8998,7 @@@ $wgCommentTableSchemaMigrationStage = M
   * @since 1.32
   * @var int An appropriate combination of SCHEMA_COMPAT_XXX flags.
   */
- $wgMultiContentRevisionSchemaMigrationStage = SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_OLD;
+ $wgMultiContentRevisionSchemaMigrationStage = SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW;
  
  /**
   * Actor table schema migration stage.