This is the seventh Express 5.0 alpha release, based off 4.16.4 and includes
changes from 5.0.0-alpha.6.

The major change with this alpha is the basic support for returned, rejected
Promises in the router.

• remove:
  • path-to-regexp dependency
• deps: [email protected]
  • Add DEBUG_HIDE_DATE environment variable
  • Change timer to per-namespace instead of global
  • Change non-TTY date format
  • Remove DEBUG_FD environment variable support
  • Support 256 namespace colors
• deps: [email protected]
  • Add basic support for returned, rejected Promises
  • Fix JSDoc for Router constructor
  • deps: [email protected]
  • deps: parseurl@~1.3.2
  • deps: [email protected]
  • deps: [email protected]

• Fix issue where "Request aborted" may be logged in res.sendfile
• Fix JSDoc for Router constructor
• deps: [email protected]
  • Fix deprecation warnings on Node.js 10+
  • Fix stack trace for strict json parse error
  • deps: depd@~1.1.2
  • deps: http-errors@~1.6.3
  • deps: [email protected]
  • deps: [email protected]
  • deps: [email protected]
  • deps: type-is@~1.6.16
• deps: proxy-addr@~2.0.4
  • deps: [email protected]
• deps: [email protected]
• deps: [email protected]

• deps: accepts@~1.3.5
  • deps: mime-types@~2.1.18
• deps: depd@~1.1.2
  • perf: remove argument reassignment
• deps: encodeurl@~1.0.2
  • Fix encoding % as last character
• deps: [email protected]
  • Fix 404 output for bad / missing pathnames
  • deps: encodeurl@~1.0.2
  • deps: statuses@~1.4.0
• deps: proxy-addr@~2.0.3
  • deps: [email protected]
• deps: [email protected]
  • Fix incorrect end tag in default error & redirects
  • deps: depd@~1.1.2
  • deps: encodeurl@~1.0.2
  • deps: statuses@~1.4.0
• deps: [email protected]
  • Fix incorrect end tag in redirects
  • deps: encodeurl@~1.0.2
  • deps: [email protected]
• deps: statuses@~1.4.0
• deps: type-is@~1.6.16
  • deps: mime-types@~2.1.18

• Fix TypeError in res.send when given Buffer and ETag header set
• perf: skip parsing of entire X-Forwarded-Proto header

• deps: [email protected]
• deps: [email protected]
  • Fix regression when root is incorrectly set to a file
  • deps: [email protected]

• Add "json escape" setting for res.json and res.jsonp
• Add express.json and express.urlencoded to parse bodies
• Add options argument to res.download
• Improve error message when autoloading invalid view engine
• Improve error messages when non-function provided as middleware
• Skip Buffer encoding when not generating ETag for small response
• Use safe-buffer for improved Buffer API
• deps: accepts@~1.3.4
  • deps: mime-types@~2.1.16
• deps: content-type@~1.0.4
  • perf: remove argument reassignment
  • perf: skip parameter parsing when no parameters
• deps: etag@~1.8.1
  • perf: replace regular expression with substring
• deps: [email protected]
  • Use res.headersSent when available
• deps: parseurl@~1.3.2
  • perf: reduce overhead for full URLs
  • perf: unroll the "fast-path" RegExp
• deps: proxy-addr@~2.0.2
  • Fix trimming leading / trailing OWS in X-Forwarded-For
  • deps: forwarded@~0.1.2
  • deps: [email protected]
  • perf: reduce overhead when no X-Forwarded-For header
• deps: [email protected]
  • Fix parsing & compacting very deep objects
• deps: [email protected]
  • Add 70 new types for file extensions
  • Add immutable option
  • Fix missing </html> in default error & redirects
  • Set charset as "UTF-8" for .js and .json
  • Use instance methods on steam to check for listeners
  • deps: [email protected]
  • perf: improve path validation speed
• deps: [email protected]
  • Add 70 new types for file extensions
  • Add immutable option
  • Set charset as "UTF-8" for .js and .json
  • deps: [email protected]
• deps: [email protected]
• deps: [email protected]
• deps: vary@~1.1.2
  • perf: improve header token parsing speed
• perf: re-use options object when generating ETags
• perf: remove dead .charset set in res.jsonp

This is the sixth Express 5.0 alpha release, based off 4.15.5 and includes
changes from 5.0.0-alpha.5.

• remove:
  • res.redirect(url, status) signature - use res.redirect(status, url)
  • res.send(status, body) signature - use res.status(status).send(body)
• deps: router@~1.3.1
  • deps: [email protected]

• deps: [email protected]
• deps: finalhandler@~1.0.6
  • deps: [email protected]
  • deps: parseurl@~1.3.2
• deps: [email protected]
  • Fix handling of modified headers with invalid dates
  • perf: improve ETag match loop
  • perf: improve If-None-Match token parsing
• deps: [email protected]
  • Fix handling of modified headers with invalid dates
  • deps: [email protected]
  • deps: etag@~1.8.1
  • deps: [email protected]
  • perf: improve If-Match token parsing
• deps: [email protected]
  • deps: parseurl@~1.3.2
  • deps: [email protected]
  • perf: improve slash collapsing

• deps: [email protected]
• deps: depd@~1.1.1
  • Remove unnecessary Buffer loading
• deps: finalhandler@~1.0.4
  • deps: [email protected]
• deps: proxy-addr@~1.1.5
  • Fix array argument being altered
  • deps: [email protected]
• deps: [email protected]
• deps: [email protected]
  • deps: [email protected]
  • deps: depd@~1.1.1
  • deps: http-errors@~1.6.2
• deps: [email protected]
  • deps: [email protected]

• Fix error when res.set cannot add charset to Content-Type
• deps: [email protected]
  • Fix DEBUG_MAX_ARRAY_LENGTH
  • deps: [email protected]
• deps: finalhandler@~1.0.3
  • Fix missing </html> in HTML document
  • deps: [email protected]
• deps: proxy-addr@~1.1.4
  • deps: [email protected]
• deps: [email protected]
  • deps: [email protected]
  • deps: [email protected]
• deps: [email protected]
  • deps: [email protected]
• deps: type-is@~1.6.15
  • deps: mime-types@~2.1.15
• deps: vary@~1.1.1
  • perf: hoist regular expression