diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a2afcfe..40e9b382 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -48,3 +48,8 @@ For more detail see #29.
 
 - Update to latest openMINDS schemas and instances
 - Internal import statements are now sorted alphabetically
+
+## Release 0.3.0 (2025-04-09)
+
+- Added release candidate for openMINDS v4
+- Nodes in a collection are now sorted by ID.
diff --git a/LICENSE b/LICENSE
index 2d8708d8..c4f0bc0c 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2024 openMetadataInitiative
+Copyright (c) 2025 openMetadataInitiative
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pipeline/src/base.py b/pipeline/src/base.py
index 0d624542..47d4d703 100644
--- a/pipeline/src/base.py
+++ b/pipeline/src/base.py
@@ -2,7 +2,7 @@
 This module contains base classes that define interfaces
 and contain code common to sub-classes, to avoid code duplication.
 
-# Copyright (c) 2023 openMetadataInitiative
+# Copyright (c) 2025 openMetadataInitiative
 """
 
 from __future__ import annotations
diff --git a/pipeline/src/codemeta.json b/pipeline/src/codemeta.json
index 3626c93a..1d32f3a8 100644
--- a/pipeline/src/codemeta.json
+++ b/pipeline/src/codemeta.json
@@ -18,7 +18,7 @@
     "programmingLanguage": ["Python"],
     "operatingSystem": ["Linux", "Windows", "macOS"],
     "softwareRequirements": [
-      "Python (version >=3.7)"
+      "Python (version >=3.8)"
     ],
     "relatedLink": [
       "https://openminds-documentation.readthedocs.io"
diff --git a/pipeline/src/collection.py b/pipeline/src/collection.py
index bed68e67..123d51f8 100644
--- a/pipeline/src/collection.py
+++ b/pipeline/src/collection.py
@@ -63,9 +63,8 @@ def _get_blank_node_identifier(self):
         return fmt.format(identifier=identifier)
 
     def _sort_nodes_by_id(self):
-        sorted_nodes=dict(sorted(self.nodes.items()))
-        self.nodes=sorted_nodes
-
+        sorted_nodes = dict(sorted(self.nodes.items()))
+        self.nodes = sorted_nodes
 
     def save(self, path, individual_files=False, include_empty_properties=False):
         """
diff --git a/pipeline/src/properties.py b/pipeline/src/properties.py
index 71af6a48..ba432353 100644
--- a/pipeline/src/properties.py
+++ b/pipeline/src/properties.py
@@ -1,7 +1,7 @@
 """
 Representations of metadata fields/properties
 
-# Copyright (c) 2023 openMetadataInitiative
+# Copyright (c) 2025 openMetadataInitiative
 """
 
 from datetime import datetime, date
@@ -163,6 +163,7 @@ def deserialize(self, data):
         Args:
             data: the JSON-LD data
         """
+
         # todo: check data type
         def deserialize_item(item):
             if self.types == (str,):
diff --git a/pipeline/tests/test_collections.py b/pipeline/tests/test_collections.py
index 0a784945..add5ddd7 100644
--- a/pipeline/tests/test_collections.py
+++ b/pipeline/tests/test_collections.py
@@ -82,53 +82,43 @@ def test_collection_sort_by_id():
     uni1 = omcore.Organization(full_name="University of This Place", id="_:002")
     uni2 = omcore.Organization(full_name="University of That Place", id="_:001")
     person.affiliations = [
-        omcore.Affiliation(member_of = uni1),
-        omcore.Affiliation(member_of = uni2),
+        omcore.Affiliation(member_of=uni1),
+        omcore.Affiliation(member_of=uni2),
     ]
 
-    c = Collection(person,uni1,uni2)
+    c = Collection(person, uni1, uni2)
     output_paths = c.save("test_collection_sort_by_id.jsonld", individual_files=False, include_empty_properties=False)
-    
+
     assert output_paths == ["test_collection_sort_by_id.jsonld"]
 
     with open(output_paths[0]) as fp:
         saved_data = json.load(fp)
     os.remove("test_collection_sort_by_id.jsonld")
 
-    expected_saved_data={
+    expected_saved_data = {
         "@context": {"@vocab": "https://openminds.om-i.org/props/"},
         "@graph": [
             {
                 "@id": "_:001",
                 "@type": "https://openminds.om-i.org/types/Organization",
-                "fullName": "University of That Place"
+                "fullName": "University of That Place",
             },
             {
                 "@id": "_:002",
                 "@type": "https://openminds.om-i.org/types/Organization",
-                "fullName": "University of This Place"
+                "fullName": "University of This Place",
             },
             {
                 "@id": "_:004",
                 "@type": "https://openminds.om-i.org/types/Person",
                 "affiliation": [
-                    {
-                        "@type": "https://openminds.om-i.org/types/Affiliation",
-                        "memberOf": {
-                            "@id": "_:002"
-                        }
-                    },
-                    {
-                        "@type": "https://openminds.om-i.org/types/Affiliation",
-                        "memberOf": {
-                            "@id": "_:001"
-                        }
-                    }
+                    {"@type": "https://openminds.om-i.org/types/Affiliation", "memberOf": {"@id": "_:002"}},
+                    {"@type": "https://openminds.om-i.org/types/Affiliation", "memberOf": {"@id": "_:001"}},
                 ],
                 "familyName": "Professor",
-                "givenName": "A"
-            }
-        ]
+                "givenName": "A",
+            },
+        ],
     }
 
     assert saved_data == expected_saved_data