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Graal.js Changelog

This changelog summarizes major changes between GraalVM versions of the Graal JavaScript (ECMAScript) language runtime. The main focus is on user-observable behavior of the engine.

Version 1.0.0 RC8

  • Provide simplified implementations for methods of the global console object even outside Node.js mode.
  • Updated Node.js to version 10.9.0.
  • Fix: Can construct Proxy(JavaType) and correctly reports as type function. Github #60.

Version 1.0.0 RC7

  • Improved support for sharing of shapes between Contexts with the same Engine.
  • Provide support for BigInteger TypedArrays, cf. ECMAScript BigInt proposal.
  • Extended instrumentation support to more types of interpreter nodes.

Version 1.0.0 RC6

  • Serialization API of v8/Node.js implemented.
  • Update version of Unicode to 11 in RegExp and Intl.
  • Implement Truffle file virtualization for JavaScript.
  • Support polyglot Truffle objects in Array.prototype.map et al and Array.prototype.sort.
  • Support for fuzzy time in performance.now() and Date.

Version 1.0.0 RC5

  • Add support for Symbol.prototype.description, a Stage 3 proposal.
  • Add support for String.prototype.matchAll, a Stage 3 proposal.
  • Implement optional catch binding proposal, targeted for ES2019.
  • Removed legacy NashornExtensions option, use --js.nashorn-compat instead.
  • Provide Java package globals by default.

Version 1.0.0 RC4

  • Added stack trace limit option (--js.stack-trace-limit).
  • Enable SharedArrayBuffers by default.
  • Provide $EXEC for Nashorn compatibility in scripting mode.
  • Provide Java.isScriptFunction, Java.isScriptObject, Java.isJavaMethod, and Java.isJavaFunction in Nashorn compatibility mode.
  • Provide support to access getters and setters like a field, in Nashorn compatibility mode.
  • Provide top-level package globals in Nashorn compatibility mode: java, javafx, javax, com, org, edu.
  • Provide Java.extend, Java.super, and new Interface|AbstractClass(fn|obj) in Nashorn compatibility mode.
  • Provide java.lang.String methods on string values, in Nashorn compatibility mode.
  • Provide JavaImporter class in Nashorn compatibility mode.
  • Provide JSAdapter class only in Nashorn compatibility mode.

Version 1.0.0 RC3

  • Added support for BigInt arithmetic expressions.
  • Provide a flag for a Nashorn compatibility mode (--js.nashorn-compat).
  • Rename flag for V8 compatibility mode (to --js.v8-compat).

Version 1.0.0 RC2

  • Enabled code sharing between Contexts with the same Engine.
  • Updated Node.js to version 8.11.1.

Version 1.0.0 RC1

  • LICENSE set to The Universal Permissive License (UPL), Version 1.0.

Version 0.33

  • Added object rest/spread support.
  • Added support for async generators.
  • Unified Polyglot primitives across all Truffle languages; e.g., rename Interop builtin to Polyglot.