reflect_parentheses.md

---

title: "`#[reflect(...)]` now supports only parentheses" 
pull_requests: [21400]

---

Previously, the #[reflect(...)] attribute of the Reflect derive macro supported parentheses, braces, or brackets, to standardize the syntax going forward, it now supports only parentheses.

/// before
#[derive(Clone, Reflect)]
#[reflect[Clone]]

/// after
#[derive(Clone, Reflect)]
#[reflect(Clone)]

/// before
#[derive(Clone, Reflect)]
#[reflect{Clone}]

/// after
#[derive(Clone, Reflect)]
#[reflect(Clone)]