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@@ -1,3 +1,24 @@
+* Ensure that mutations of the array returned from `ActiveRecord::Relation#to_a`
+ do not affect the original relation, by returning a duplicate array each time.
+
+ This brings the behavior in line with `CollectionProxy#to_a`, which was
+ already more careful.
+
+ *Matthew Draper*
+
+* Fixed `where` for polymorphic associations when passed an array containing different types.
+
+ Fixes #17011.
+
+ Example:
+
+ PriceEstimate.where(estimate_of: [Treasure.find(1), Car.find(2)])
+ # => SELECT "price_estimates".* FROM "price_estimates"
+ WHERE (("price_estimates"."estimate_of_type" = 'Treasure' AND "price_estimates"."estimate_of_id" = 1)
+ OR ("price_estimates"."estimate_of_type" = 'Car' AND "price_estimates"."estimate_of_id" = 2))
+
+ *Philippe Huibonhoa*
+
* Fix a bug where using `t.foreign_key` twice with the same `to_table` within
the same table definition would only create one foreign key.
@@ -10,7 +31,7 @@
*Bogdan Gusiev*, *Jon Hinson*
-* Rework `ActiveRecord::Relation#last`
+* Rework `ActiveRecord::Relation#last`.
1. Never perform additional SQL on loaded relation
2. Use SQL reverse order instead of loading relation if relation doesn't have limit
@@ -33,7 +54,7 @@
* Allow `joins` to be unscoped.
- Closes #13775.
+ Fixes #13775.
*Takashi Kokubun*