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-rw-r--r--activerecord/CHANGELOG.md7
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+* Dont enroll records in the transaction if they dont have commit callbacks.
+ That was causing a memory grow problem when creating a lot of records inside a transaction.
+
+ Fixes #15549.
+
+ *Will Bryant*, *Aaron Patterson*
+
* Correctly create through records when created on a has many through
association when using `where`.