--- title: IsDevelopment description: Reports whether the current running environment is “development”. categories: [] keywords: [] action: related: [] returnType: bool signatures: [SITE.IsDevelopment] # deprecated 2023-10-30 expiryDate: 2024-10-30 _build: list: never --- {{% deprecated-in 0.120.0 %}} Use [`hugo.IsDevelopment`] instead. [`hugo.IsDevelopment`]: /functions/hugo/isdevelopment {{% /deprecated-in %}}