Mainnet docs are version-pinned. Check each section's exact version in the sidebar; it can lag the newest upstream release.
Archived coverage: These pages are a historical, incomplete snapshot and are not a continuously maintained "latest version" guide. As verified on July 23, 2026, the highest releases represented are Sway
v0.67.0, Fuel Rust SDKv0.71.0, and Fuel TypeScript SDKv0.101.0. Later and intervening releases can contain additional migration requirements.
All public audits conducted on the Fuel network can be found here
Throughout Fuel's development journey, numerous testnets have been created to ensure a seamless transition to the mainnet launch. Given the dynamic nature of learning and adapting during these testing phases, it's common to encounter breaking changes.
Use the archived migration notes for the covered version ranges. Before upgrading, also read the release notes for every version between your exact source and target:
Fuelup's latest channel is a network-distribution alias, not a pointer to the newest upstream compiler; resolve its current meaning with fuelup show before relying on it. Select mainnet, testnet, or an exact component version according to the network and release you intend to target.