introduce 3.1 and 4.0 upgrade files

xabbuh · xabbuh · commit 3cf558810dea · 2016-01-28T00:31:23.000+01:00
diff --git a/UPGRADE-3.1.md b/UPGRADE-3.1.md
@@ -0,0 +1,26 @@
+UPGRADE FROM 3.0 to 3.1
+=======================
+
+DependencyInjection
+-------------------
+
+ * Using unsupported configuration keys in YAML configuration files has been deprecated and will raise an exception in Symfony 4.0.
+
+ * Using unsupported options to configure service aliases has been deprecated and will raise an exception in Symfony 4.0.
+
+Form
+----
+
+ * The `choices_as_values` option of the `ChoiceType` has been deprecated and will be removed in Symfony 4.0.
+
+Serializer
+----------
+
+ * Passing a Doctrine `Cache` instance to the `ClassMetadataFactory` has been deprecated and will not be supported in Symfony
+   4.0. You should use the `CacheClassMetadataFactory` class instead.
+
+Yaml
+----
+
+ * The `!!php/object` tag to indicate dumped PHP objects has been deprecated and will be removed in Symfony 4.0. Use the
+   `!php/object` tag instead.
diff --git a/UPGRADE-4.0.md b/UPGRADE-4.0.md
@@ -0,0 +1,25 @@
+UPGRADE FROM 3.x to 4.0
+=======================
+
+DependencyInjection
+-------------------
+
+ * Using unsupported configuration keys in YAML configuration files raises an exception.
+
+ * Using unsupported options to configure service aliases raises an exception.
+
+Form
+----
+
+ * The `choices_as_values` option of the `ChoiceType` has been removed.
+
+Serializer
+----------
+
+ * The ability to pass a Doctrine `Cache` instance to the `ClassMetadataFactory` class has been removed. You should use
+   the `CacheClassMetadataFactory` class instead.
+
+Yaml
+----
+
+ * The `!!php/object` tag to indicate dumped PHP objects was removed in favor of the `!php/object` tag.
