tag:github.com,2008:https://github.com/jerryscript-project/jerryscript/releases Release notes from jerryscript 2024-12-18T10:36:32Z tag:github.com,2008:Repository/33339660/v3.0.0 2024-12-18T13:00:02Z v3.0.0 <p>The JerryScript team proudly announces JerryScript 3.0.0 release.</p> <h3>A short list of changes/improvements:</h3> <ul> <li>343 commits by 41 authors since JerryScript 2.4.0 release</li> <li>84% conformance on Test262 ES2020</li> <li>Kangax 2016+ (ES2025) coverage improved from 45% to 70% (<a href="https://compat-table.github.io/compat-table/es2016plus/" rel="nofollow">Kangax Compatibilty Table</a>)</li> <li>Binary size increased due to the implementation of a lot of new language features</li> <li>Fixed several bugs including security issues</li> <li>New language feature: <ul> <li>Dynamic Import</li> <li>Instance class fields</li> <li>Logical Assignment (<code>&amp;&amp;=</code>, <code>||=</code>, <code>??=</code>)</li> <li>Native Module</li> <li>Optional chaining (<code>?.</code>)</li> <li>Private class method</li> <li>Static class fields</li> <li>Static initialization block</li> </ul> </li> <li>Supported new builtin methods: <ul> <li>Atomics</li> <li>function.toString operation</li> <li>Object.hasOwn</li> <li>Partial support for WeakReferences</li> <li>Promise.allSettled and Promise.Any</li> <li>SharedArrayBuffer</li> </ul> </li> <li>API rework <ul> <li>Resolved inconsistencies in APIs.</li> <li>Adopted a unified naming scheme (Issue <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="695956302" data-permission-text="Title is private" data-url="https://github.com/jerryscript-project/jerryscript/issues/4186" data-hovercard-type="issue" data-hovercard-url="/jerryscript-project/jerryscript/issues/4186/hovercard" href="https://github.com/jerryscript-project/jerryscript/issues/4186">#4186</a>).</li> </ul> </li> <li>Better windows support</li> <li>Enhanced Python 3 compatibility <ul> <li>Dropped Python2 support due to its end of life</li> </ul> </li> <li>Updated and improved documentation</li> </ul> LaszloLango tag:github.com,2008:Repository/33339660/v2.4.0 2021-01-22T10:27:07Z JerryScript 2.4.0 <p>The JerryScript team proudly announces JerryScript 2.4.0 release.</p> <h3>A short list of changes/improvements:</h3> <ul> <li>Change the default profile to ES.next</li> <li>Improve module and proxy support</li> <li>Added support for Realms</li> <li>Added support for BigInts</li> <li>Enhanced build and testing on Windows</li> <li>Replaces all-in-one build with amalgam build</li> <li>Introduced new port API function: jerry_port_track_promise_rejection</li> <li>New language features: <ul> <li>Async function</li> <li>BigInt syntax</li> <li>Class fields</li> <li>Catch without argument</li> <li>Comma after last argument</li> <li>For-await-of</li> <li>Nullish coalescing</li> <li>Numeric separator</li> <li>Rest operator in object destructuring patterns</li> <li>Spread operator in object literal</li> <li>Super keyword in object methods</li> <li>Unicode supplementary planes</li> </ul> </li> <li>Supported new builtin methods: <ul> <li>Array.prototype.flat, flatMap</li> <li>DataView.prototype.getBigInt64, getBigUint64, setBigInt64, setBigUint64</li> <li>Global.globalThis</li> <li>Object.entries, getOwnPropertyDescriptors, values</li> <li>Object.prototype.__defineGetter__, __defineSetter__, __lookupGetter__, __lookupSetter__, fromEntries</li> <li>Promise.prototype.finally</li> <li>RegExp.dotAll</li> <li>String.prototype.padStart, padEnd, replaceAll, trimStart, trimEnd</li> <li>Symbol.matchAll</li> <li>Symbol.prototype.description</li> <li>TypedArray.prototype.includes</li> </ul> </li> <li>80% conformance on Test262 ES2020</li> <li>Kangax ES2016+ coverage improved to 75%</li> <li>413 commit by 22 authors since JerryScript 2.3.0</li> </ul> galpeter tag:github.com,2008:Repository/33339660/v2.3.0 2020-06-12T11:54:50Z JerryScript 2.3.0 <p>The JerryScript team proudly announces JerryScript 2.3.0 release.</p> <h3>A short list of changes/improvements:</h3> <ul> <li>Improved ES6 (ES2015) support <ul> <li>Kangax ES2015 coverage improved from 81% to 95%</li> <li>Some notable new features: <ul> <li>Added Proxy support</li> <li>Exponentiation operator (**)</li> <li>Math builtin functions</li> <li>Function name support</li> </ul> </li> </ul> </li> <li>Improved RegExp engine <ul> <li>Added full support for Web Compatibility syntax</li> <li>1.37x better score on Octane/RegExp benchmark</li> <li>~50% smaller bytecode size</li> <li>~10% stack usage reduction</li> </ul> </li> <li>208 commits by 16 authors since JerryScript 2.2.0</li> </ul> galpeter tag:github.com,2008:Repository/33339660/v2.2.0 2020-02-11T13:59:26Z JerryScript 2.2.0 <p>The JerryScript team proudly announces JerryScript 2.2.0 release.</p> <h3>A short list of changes/improvements:</h3> <ul> <li>Improved ES6 (ES2015) support <ul> <li>Kangax ES2015 coverage improved from 34% to 81%</li> <li>Some notable new features: <ul> <li>Spread syntax for iterable objects</li> <li>Array and object destructuring</li> <li>Lexical block scoping (let)</li> <li>Generators</li> <li>Well-known symbols</li> </ul> </li> </ul> </li> <li>General performance and memory improvements (ARMv7 RPi2) <ul> <li>Significant speed-up in match, search, split and replace operations with Strings and RegExps</li> <li>Significant improvements in garbage collection when having deeply nested objects</li> <li>Improved prototype lookup for primitive values</li> <li>Optimized array built-in methods for non-sparse arrays</li> <li>Small overall stack usage improvement</li> </ul> </li> <li>Added new API functions</li> <li>Revised a few feature guards that can be used in profiles</li> <li>Enabled the usage of API functions in native free callbacks</li> <li>Improved RegExp compatibility with web browsers</li> <li>231 commits by 18 authors since JerryScript 2.1.0</li> </ul> galpeter tag:github.com,2008:Repository/33339660/v2.1.0 2019-10-16T13:32:09Z JerryScript 2.1.0 <p>The developer team is proud to announce the release of JerryScript version 2.1.0.</p> <p>With this release we introduce semantic versioning (<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="493207868" data-permission-text="Title is private" data-url="https://github.com/jerryscript-project/jerryscript/issues/3104" data-hovercard-type="issue" data-hovercard-url="/jerryscript-project/jerryscript/issues/3104/hovercard" href="https://github.com/jerryscript-project/jerryscript/issues/3104">#3104</a>).</p> <h3>A short list of changes/improvements</h3> <ul> <li>General performance and memory improvements (ARMv7 RPi2) <ul> <li>~20% speedup on SunSpider</li> <li>~15% speedup on V8 Benchmark Suite</li> <li>~15-20% speedup on TypedArray access</li> <li>~10-20x speedup on JSON microbenchmarks</li> <li>~10% heap gain on SunSpider</li> </ul> </li> <li>No breaking API change (since JerryScript 2.0)</li> <li>Added a new port API function: jerry_port_get_native_module</li> <li>Added a subset of ES6 (ES2015) features <ul> <li>Number.isInteger, isSafeInteger, isFinite, isNan</li> <li>TypedArray.prototype.indexOf, lastIndexOf, toLocaleString, copyWithin</li> </ul> </li> <li>Added a tool to transpile not yet supported features using Babel (experimental)</li> <li>Improved string handling internally</li> <li>Improved Windows support</li> <li>A few statistics (since JerryScript 2.0): <ul> <li>138 commits by 13 authors</li> <li>50 fixed issues</li> </ul> </li> </ul> galpeter tag:github.com,2008:Repository/33339660/v2.0 2019-08-01T12:47:32Z JerryScript 2.0 <p>The developer team is proud to announce the release of JerryScript version 2.0</p> <h3>A short list of changes/improvements</h3> <ul> <li>General performance and memory improvements (on ARM RPI3 ~18% speedup and memory usage reduction)</li> <li>Binary code size reduction (on ARM RPI3 ~24 kB binary size reduction with ES5.1 profile)</li> <li>Minimal API breaking changes (see Migration guide)</li> <li>Added new API functions (see API reference document)</li> <li>Added debugger support</li> <li>Created extension library which includes common use-cases, utility functions</li> <li>Added a subset of ES6 (ES2015) features: <ul> <li>Arrow functions</li> <li>Class support</li> <li>Module support</li> <li>Rest parameters and enhanced object initializer support</li> <li>Template strings</li> <li>For-of support</li> <li>Symbols</li> <li>Promises</li> <li>Map/Set/Iterator built-ins</li> <li>TypedArray/ArrayBuffer/DataView built-ins</li> </ul> </li> <li>New experimental target platforms: <ul> <li>OpenWrt, Particle, and Windows</li> </ul> </li> <li>A few statistics (since JerryScript 1.0): <ul> <li>1000+ commits by 73+ authors</li> <li>1000+ merged Pull requests</li> </ul> </li> </ul> galpeter tag:github.com,2008:Repository/33339660/v1.0 2016-09-02T12:10:24Z JerryScript 1.0 <p>This is the first stable release of JerryScript!</p> <p>Officially supported platforms:</p> <ul> <li>x86-32, x86-64 and ARMv7 Linux</li> <li>NuttX on STM32F4</li> <li>RIOT on STM32F4</li> <li>Zephyr on Arduino 101 and FRDM-K64F</li> <li>mbed OS 3.0 on FRDM-K64F, STM32F4, STM32F429ZI, F401RE</li> <li>Curie BSP on Arduino 101</li> </ul> <p>Experimental support for:</p> <ul> <li>ESP8266</li> </ul> zherczeg