# What changed in @fastify/session

> 1 change in @fastify/session 11 from its official release notes, upgrade guides and advisories: 1 breaking. Each one cited. Sources checked 2026-10-19. HTML: https://unstale.sh/npm/@fastify/session/

To see which of these apply to a repository, run `npx @unstale/cli init` in it.

## @fastify/session 11

### Breaking changes

- Regenerating a session now destroys the previous session. (11.1.3) — [release notes](https://github.com/fastify/session/releases/tag/v11.1.3)