@fastify/busboy breaking changes

3.2.1

25 breaking changes, first published August 12, 2026.

• Removed Busboy.addListener
  Busboy.addListener was removed in @fastify/busboy 3.2.1 npmjs.com
• Removed Busboy.off
  Busboy.off was removed in @fastify/busboy 3.2.1 npmjs.com
• Removed Busboy.on
  Busboy.on was removed in @fastify/busboy 3.2.1 npmjs.com
• Removed Busboy.once
  Busboy.once was removed in @fastify/busboy 3.2.1 npmjs.com
• Removed Busboy.prependListener
  Busboy.prependListener was removed in @fastify/busboy 3.2.1 npmjs.com
• Removed Busboy.prependOnceListener
  Busboy.prependOnceListener was removed in @fastify/busboy 3.2.1 npmjs.com
• Removed Busboy.removeListener
  Busboy.removeListener was removed in @fastify/busboy 3.2.1 npmjs.com
• Signature changed Busboy
  The signature of Busboy changed in @fastify/busboy 3.2.1 npmjs.com
• Signature changed BusboyConstructor.__call
  Was (options: BusboyConfig): Busboy; now (options: BusboyConfig): BusboyInstance. npmjs.com
• Signature changed BusboyConstructor.__new
  Was new(options: BusboyConfig): Busboy; now new(options: BusboyConfig): BusboyInstance. npmjs.com

And 15 more in this version.

3.2.0

1 breaking change, first published August 16, 2025.

• Behavior changed
  Quoted Content-Disposition parameters are now parsed under stricter RFC 2183/7578 rules, which can change parsed field or file names for some requests. github.com

Check your code

These are the changes. To see which of them reach your code, scan a public repository, or have your coding agent call check_code with your manifest or lockfile over MCP. The API reads every change in every version, not only the newest. On Team and up, a fix pull request opens for the changes that reach a connected repository. Nothing merges or deploys.