1 files changed, 22 insertions, 0 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 5790528e97..eaeb808144 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,3 +1,17 @@
+*   Fix regression when loading fixture files with symbol keys.
+
+    Fixes #22584.
+
+    *Yves Senn*
+
+*   Use `version` column as primary key for schema_migrations table because
+    `schema_migrations` versions are guaranteed to be unique.
+
+    This makes it possible to use `update_attributes` on models that do
+    not have a primary key.
+
+    *Richard Schneeman*
+
 *   Add short-hand methods for text and blob types in MySQL.
 
     In Pg and Sqlite3, `:text` and `:binary` have variable unlimited length.
@@ -77,6 +91,14 @@
     defaults without breaking existing migrations, or forcing them to be
     rewritten through a deprecation cycle.
 
+    New migrations specify the Rails version they were written for:
+
+        class AddStatusToOrders < ActiveRecord::Migration[5.0]
+          def change
+            # ...
+          end
+        end
+
     *Matthew Draper*, *Ravil Bayramgalin*
 
 *   Use bind params for `limit` and `offset`. This will generate significantly