EZP-31413: Migrating a project to v3

docs/api/field_type_reference.md

@@ -1803,25 +1803,23 @@ This Field Type does not have its own fixed internal name. Its identifier is ins
 
 #### Example for usage of Null Field Type
 
-Following shows example on how eZ Publish "datatype" `ezpaex` could be configured as a eZ Platform "Null Field type":
+The following example shows how an `example` Field Type could be configured as a Null Field Type:
 
 ``` yaml
 # Null Fieldtype example configuration
-
 services:
-    ezpublish.fieldType.ezpaex:
-        class: '%ezpublish.fieldType.eznull.class%'
-        parent: ezpublish.fieldType
-        arguments: [ezpaex]
-        tags: [{name: ezplatform.field_type, alias: ezpaex}]
-
-    ezpublish.fieldType.ezpaex.converter:
-        class: '%ezpublish.fieldType.eznull.converter.class%'
-        tags: [{name: ezplatform.field_type.legacy_storage.converter, alias: ezpaex}]
-
-    ezpublish.fieldType.ezpaex.indexable:
+    ezpublish.fieldType.example:
+        class: eZ\Publish\Core\FieldType\Null\Type
+        autowire: true
+        autoconfigure: false
+        arguments: [example]
+        tags: [{name: ezplatform.field_type, alias: example}]
+    ezpublish.fieldType.example.converter:
+        class: eZ\Publish\Core\Persistence\Legacy\Content\FieldValue\Converter\NullConverter
+        tags: [{name: ezplatform.field_type.legacy_storage.converter, alias: example}]
+    ezpublish.fieldType.example.indexable:
         class: '%ezpublish.fieldType.indexable.unindexed.class%'
-        tags: [{name: ezplatform.field_type.indexable, alias: ezpaex}]
+        tags: [{name: ezplatform.field_type.indexable, alias: example}]
 ```
 
 !!! enterprise

docs/index.md

@@ -45,7 +45,7 @@
   <div class="card-header">Other topics</div>
   <ul class="list-group list-group-flush">
     <li class="list-group-item"><a href="releases/ez_platform_v3.0/" class="card-link">Releases</a></li>
-    <li class="list-group-item"><a href="migrating/migrating_from_ez_publish_platform/" class="card-link">Migration</a></li>
+    <li class="list-group-item"><a href="migrating/migrating_to_v3/" class="card-link">Migration</a></li>
     <li class="list-group-item"><a href="community_resources/resources/" class="card-link">Community resources</a></li>
   </ul>
 </div>

docs/releases/ez_platform_v3.0_deprecations.md

@@ -2,6 +2,11 @@
 
 This page lists backwards compatibility breaks and deprecations introduced in eZ Platform v3.0.
 
+!!! tip "Upgrade to v3"
+
+    For a guide on moving your project to v3,
+    see [Upgrading eZ Platform to v3](../updating/upgrading_to_v3.md).
+
 ## Symfony 5
 
 v3.0 now uses Symfony 5 instead of Symfony 3.

docs/updating/img/diagram_source/folder_structure_v3.xml

@@ -0,0 +1 @@
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