Issue #3094007 by jibran, mikelutz, alexpott, Berdir: Update the 9.0.x branch to Symfony 4.4-beta2

composer.json

@@ -33,32 +33,32 @@
         "ralouphie/getallheaders": "3.0.3",
         "stack/builder": "v1.0.5",
         "symfony-cmf/routing": "2.1.0",
-        "symfony/class-loader": "v3.4.32",
-        "symfony/console": "4.4.x-dev",
-        "symfony/debug": "4.4.x-dev",
-        "symfony/dependency-injection": "4.4.x-dev",
-        "symfony/error-handler": "dev-master",
-        "symfony/error-renderer": "4.4.x-dev",
-        "symfony/event-dispatcher": "4.4.x-dev",
+        "symfony/class-loader": "v3.4.35",
+        "symfony/console": "v4.4.0-BETA2",
+        "symfony/debug": "v4.4.0-BETA2",
+        "symfony/dependency-injection": "v4.4.0-BETA2",
+        "symfony/error-handler": "v4.4.0-BETA2",
+        "symfony/event-dispatcher": "v4.4.0-BETA2",
         "symfony/event-dispatcher-contracts": "v1.1.7",
-        "symfony/http-foundation": "4.4.x-dev",
-        "symfony/http-kernel": "4.4.x-dev",
-        "symfony/mime": "v4.3.5",
+        "symfony/http-foundation": "v4.4.0-BETA2",
+        "symfony/http-kernel": "v4.4.0-BETA2",
+        "symfony/mime": "v4.3.8",
         "symfony/polyfill-ctype": "v1.12.0",
         "symfony/polyfill-iconv": "v1.12.0",
         "symfony/polyfill-intl-idn": "v1.12.0",
         "symfony/polyfill-mbstring": "v1.12.0",
         "symfony/polyfill-php72": "v1.12.0",
         "symfony/polyfill-php73": "v1.12.0",
-        "symfony/process": "4.4.x-dev",
+        "symfony/process": "v4.4.0-BETA2",
         "symfony/psr-http-message-bridge": "v1.2.0",
-        "symfony/routing": "4.4.x-dev",
-        "symfony/serializer": "4.4.x-dev",
-        "symfony/service-contracts": "v1.1.7",
-        "symfony/translation": "4.4.x-dev",
-        "symfony/translation-contracts": "v1.1.7",
-        "symfony/validator": "4.4.x-dev",
-        "symfony/yaml": "4.4.x-dev",
+        "symfony/routing": "v4.4.0-BETA2",
+        "symfony/serializer": "v4.4.0-BETA2",
+        "symfony/service-contracts": "v2.0.0",
+        "symfony/translation": "v4.4.0-BETA2",
+        "symfony/translation-contracts": "v2.0.0",
+        "symfony/validator": "v4.4.0-BETA2",
+        "symfony/var-dumper": "v5.0.0-BETA2",
+        "symfony/yaml": "v4.4.0-BETA2",
         "twig/twig": "v2.12.1",
         "typo3/phar-stream-wrapper": "v3.1.3",
         "zendframework/zend-diactoros": "1.8.7",