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4.11.0

expressjs/express4.11.0Jan 14, 2015by dougwilson

AI Summary

Express 4.11.0 introduces the new `res.append()` method for appending headers, adds several deprecations for older APIs (`req.param()`, `app.param()` with leading `:`, and `app.param(fn)`), and includes important bug fixes for OPTIONS responses, route matching to prevent stack overflows, and improved `res.sendFile` connection detection.

Key Highlights

  • New `res.append(field, val)` method to append headers to responses
  • Deprecation of `req.param()` in favor of `req.params`, `req.body`, or `req.query`
  • Deprecation of leading `:` in `app.param(name, fn)` and `app.param(fn)`
  • Fixed `OPTIONS` responses to properly include the `HEAD` method
  • Improved route matching to prevent stack overflows with iterative matching

New Features

  • Added `res.append(field, val)` method to append HTTP headers to responses
  • Fixed `OPTIONS` responses to include the `HEAD` method properly
  • Fixed `res.sendFile` not always detecting aborted connections
  • Implemented iterative route matching to prevent stack overflows

Full Release Notes

- Add `res.append(field, val)` to append headers
- Deprecate leading `:` in `name` for `app.param(name, fn)`
- Deprecate `req.param()` -- use `req.params`, `req.body`, or `req.query` instead
- Deprecate `app.param(fn)`
- Fix `OPTIONS` responses to include the `HEAD` method properly
- Fix `res.sendFile` not always detecting aborted connection
- Match routes iteratively to prevent stack overflows
- deps: accepts@~1.2.2
  - deps: mime-types@~2.0.7
  - deps: negotiator@0.5.0
- deps: send@0.11.0
  - deps: debug@~2.1.1
  - deps: etag@~1.5.1
  - deps: ms@0.7.0
  - deps: on-finished@~2.2.0
- deps: serve-static@~1.8.0
  - deps: send@0.11.0