- Fix array loading slowness compared to psycopg2 (:ticket:`#359`).
- Improve performance around network communication (:ticket:`#414`).
- Return `!bytes` instead of `!memoryview` from `pq.Encoding` methods
(:ticket:`#422`).
- Fix `Cursor.rownumber` to return `!None` when the result has no row to fetch
(:ticket:`#437`).
- Avoid error in Pyright caused by aliasing `!TypeAlias` (:ticket:`#439`).
- Fix `Copy.set_types()` used with `varchar` and `name` types (:ticket:`#452`).
- Improve performance using :ref:`row-factories` (:ticket:`#457`).
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