Download Node.js 10.0.0

Node.js is open source and platform independent, and is focused on developing server-side web applications. Those applications are written in JavaScript and run within the Node.js runtime on the server. It offers an event-driven environment where non-blocking I/O has been an important starting point. For more information, please refer to this page. The development team has released version 10.0, with a minor update shortly after. The most important improvements that have been made here are listed below for you:

Node v10.0.0 (Current)

Node.js 10.0.0 is the seventh major Node.js release since the launch of the Node.js Foundation. In October of 2018, it will become the next Active Long Term Support branch.

Partially in celebration of the N-API native addon API graduating from experimental status, this Node.js release also comes with a coordinated experimental release of Node-ChakraCore that has full support for N-API and advances the Time-Travel innovation with easier getting started using a VSCode extension.

Feature Highlights for the Node-ChakraCore release include:

• Full support for N API
• Easy getting started with Time-Travel Debugging via a new Visual Studio Code Extension
• TTD support for generators and async functions
• Support for Inspector protocol
• Increased stability and other assorted improvements

The full set of changes for the Node.js 10.0.0 release are detailed below.

Notable Changes

• The N-API native addons API has graduated from experimental status.
• Assert
  • Calling assert.fail() with more than one argument is deprecated. [70dcacd710]
  • Calling assert.ok() with no arguments will now throw. [3cd7977a42]
  • Calling assert.ifError() will now throw with any argument other than undefined or null. Previously the method would throw with any truthy value. [e65a6e81ef]
  • The assert.rejects() and assert.doesNotReject() methods have been added for working with async functions. [599337f43e]
• Async_hooks
  • Older experimental async_hooks APIs have been removed. [1cc6b993b9]
• Buffer
  • Uses of new Buffer() and Buffer() outside of the node_modules directory will now emit a runtime deprecation warning. [9d4ab90117]
  • Buffer.isEncoding() now returns undefined for falsy values, including an empty string. [452eed956e]
  • Buffer.fill() will throw if an attempt is made to fill with an empty Buffer. [1e802539b2]
• Child Process
  • Undefined properties of env are ignored. [38ee25e2e2], [85739b6c5b]
• console
  • The console.table() method has been added. [97ace04492]
• crypto
  • The crypto.createCipher() and crypto.createDecipher() methods have been deprecated. Please use crypto.createCipheriv() and crypto.createDecipheriv() instead. [81f88e30dd]
  • The decipher.finaltol() method has been deprecated. [19f3927d92]
  • The crypto.DEFAULT_ENCODING property has been deprecated. [6035beea93]
  • The ECDH.convertKey() method has been added. [f2e02883e7]
  • The crypto.fips property has been deprecated. [6e7992e8b8]
• Dependencies
  • V8 has been updated to 6.6. [9daebb48d6]
  • OpenSSL has been updated to 1.1.0h. [66cb29e646]
• EventEmitter
  • The EventEmitter.prototype.off() method has been added as an alias for EventEmitter.prototype.removeListener(). [3bb6f07d52]
• File System
  • The fs/promises API provides experimental promisified versions of the fs functions. [329fc78e49]
  • Invalid path errors are now thrown synchronously. [d8f73385e2]
  • The fs.readFile() method now partitions reads to avoid thread pool exhaustion. [67a4ce1c6e]
• HTTP
  • Processing of HTTP Status codes 100, 102-199 has been improved. [baf8495078]
  • Multi-byte characters in URL paths are now forbidden. [b961d9fd83]
• N API
  • The n-api is no longer experimental. [cd7d7b15c1]
• Just
  • The ‘close’ event will be emitted after ‘end’. [9b7a6914a7]
• perf_hooks
  • The PerformanceObserver class is now an AsyncResource and can be monitored using async_hooks. [009e41826f]
  • Trace events are now emitted for performance events. [9e509b622b]
  • The performance API has been simplified. [2ec6995555]
  • Performance milestone marks will be emitted as trace events. [96cb4fb795]
• Process
  • Using non-string values ​​for process.env is deprecated. [5826fe4e79]
  • The process.asset() method is deprecated. [703e37cf3f]
• REPL
  • REPL now experimentally supports top-level await when using the –experimental-repl-await flag. [eeab7bc068]
  • The previously deprecated “magic mode” has been removed. [4893f70d12]
  • The previously deprecated NODE_REPL_HISTORY_FILE environment variable has been removed. [60c9ad7979]
  • Proxy objects are shown as Proxy objects when inspected. [90a43906ab]
• Streams
  • The ‘readable’ event is now always deferred with nextTick. [1e0f3315c7]
  • A new pipeline() method has been provided for building end-to-data stream pipelines. [a5cf3feaf1]
  • Experimental support for async for-await has been added to stream.Readable. [61b4d60c5d]
• Timers
  • The enroll() and unenroll() methods have been deprecated. [68783ae0b8]
• TLS
  • The tls.convertNPNProtocols() method has been deprecated. [9204a0db6e]
  • Support for NPN (next protocol negotiation) has been dropped. [5bfbe5ceae]
  • The ecdhCurve default is now ‘auto’. [af78840b19]
• Trace Events
  • A new trace_events top-level module allows trace event categories to be enabled/disabled at runtime. [da5d818a54]
• URL
  • The WHATWG URL API is now a global. [312414662b]
• Util
  • util.types.is[…] type checks have been added. [b20af8088a]
  • Support for bigint formatting has been added to util.inspect(). [39dc947409]

Deprecations:

The following APIs have been deprecated in Node.js 10.0.0

• Passing more than one argument to assert.fail() will emit a runtime deprecation warning. [70dcacd710]
• Previously deprecated legacy async_hooks APIs have reached end-of-life and have been removed. [1cc6b993b9]
• Using require() to access several of Node.js’ own internal dependencies will emit a runtime deprecation. [0e10717e43]
• The crypto.createCipher() and crypto.createDecipher() methods have been deprecated in documentation.[81f88e30dd]
• Using the Decipher.finaltol() method will emit a runtime deprecation warning. [19f3927d92]
• Using the crypto.DEFAULT_ENCODING property will emit a runtime deprecation warning. [6035beea93]
• Use by native addons of the MakeCallback() variant that passes a Domain will emit a runtime deprecation warning. [14bc3e22f3], [efb32592e1]
• Previously deprecated internal getters/setters on net.Server has reached end-of-life and have been removed. [3701b02309]
• Use of non-string values ​​for process.env has been deprecated in documentation. [5826fe4e79]
• Use of process.asset() will emit a runtime deprecation warning. [703e37cf3f]
• Previously deprecated NODE_REPL_HISTORY_FILE environment variable has reached end-of-life and has been removed. [60c9ad7979]
• Use of the timers.enroll() and timers.unenroll() methods will emit a runtime deprecation warning. [68783ae0b8]
• Use of the tls.convertNPNProtocols() method will emit a runtime deprecation warning. Support for NPN has been removed from Node.js. [9204a0db6e]
• The crypto.fips property has been deprecated in documentation. [6e7992e8b8]