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Peewee v3.15.4 Release Notes

    • 👻 Raise an exception in ReconnectMixin if connection is lost while inside a transaction (if the transaction was interrupted presumably some changes were lost and explicit intervention is needed).
    • ➕ Add db.Model property to reduce boilerplate.
    • ➕ Add support for running prefetch() queries with joins instead of subqueries (this helps overcome a MySQL limitation about applying LIMITs to a subquery).
    • ➕ Add SQL AVG to whitelist to avoid coercing by default.
    • 👍 Allow arbitrary keywords in metaclass constructor, #2627
    • ➕ Add a pyproject.toml to silence warnings from newer pips when wheel package is not available.

    🚀 This release has a small helper for reducing boilerplate in some cases by exposing a base model class as an attribute of the database instance.