SWR is a React Hooks library for remote data fetching. It provides developers with a simple, yet powerful way to fetch, cache, and revalidate data in their components. Features include built-in caching, request deduplication, focus tracking, and revalidation on interval. SWR helps to improve performance and reduce unnecessary network requests, resulting in a better user experience by ensuring data is constantly fresh and available as needed. It's a great tool for managing server state.
SWR's release frequency has varied significantly since its initial release in April 2018. The package saw bursts of activity in late 2019 and throughout 2020-2021, with periods of frequent updates. Release slowed down towards the end of 2022 and into 2024. In 2025, there were few releases in Feb, March, July and August. No releases happened in April, May, June and September.
SWR downloads surged from March 2024 (8.1M) to August 2025 (20.6M), showcasing consistent growth. 2025 experienced especially high growth. September 2025's incomplete data shows no downloads yet. The general trend indicates rising popularity, with a seasonal pattern possibly influencing download numbers.
