René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"TypeScript 6.0 Iteration Plan","articleBody":"Date           | Event\n---------------|-------------------------\n2026-02-06     | Create 6.0 Beta (6.0.0) Build for Testing\n2026-02-10     | **TypeScript 6.0 Beta Release**\n2026-02-21     | Create 6.0 RC (6.0.1) Build for Testing\n2026-02-24     | **TypeScript 6.0 RC Release**\n2026-03-13     | Create 6.0 Final (6.0.2) Build for Testing\n2026-03-17     | **TypeScript 6.0 Final Release**\n\n## Compiler and Language\n\n* [Less context-sensitivity on `this`-less functions](https://github.com/microsoft/TypeScript/pull/62243)\n* [More-precise checking under `exactOptionalPropertyTypes`](https://github.com/microsoft/TypeScript/pull/61683)\n* [Allow subpath imports starting with `#/`](https://github.com/microsoft/TypeScript/issues/62841)\n* [Allow `--module commonjs` and `--moduleResolution bundler`](https://github.com/microsoft/TypeScript/pull/62320)\n* [`lib.d.ts` updates for 6.0](https://github.com/microsoft/TypeScript/issues/62215)\n\n### Breaking Changes and Deprecations\n\n*See the broader discussion at [6.0 Deprecation Candidates](https://github.com/microsoft/TypeScript/issues/54500)*\n\n* [Deprecate `--target es5` and adjust lowest target to `es2015`](https://github.com/microsoft/TypeScript/issues/62196)\n* [Deprecate `--outFile`](https://github.com/microsoft/TypeScript/issues/62980)\n* [Deprecate support for `baseUrl`](https://github.com/microsoft/TypeScript/issues/62207)\n* [Deprecate `--moduleResolution node10`](https://github.com/microsoft/TypeScript/issues/62200)\n* [Deprecate `--moduleResolution classic`](https://github.com/microsoft/TypeScript/issues/62206)\n* [Deprecate support for using `module` in place of `namespace`](https://github.com/microsoft/TypeScript/issues/62211)\n* [Deprecate support for import assertions](https://github.com/microsoft/TypeScript/issues/62210)\n* [Deprecate support for `/// \u003creference no-default-lib /\u003e`](https://github.com/microsoft/TypeScript/issues/62209)\n* [Deprecate support for `/// \u003camd-module name=... /\u003e`](https://github.com/microsoft/TypeScript/issues/62208)\n* [Deprecate less-used `--module` targets (AMD/System/UMD)](https://github.com/microsoft/TypeScript/issues/62199)\n* [Deprecate `--downlevelIteration`](https://github.com/microsoft/TypeScript/pull/63071)\n\n### Defaults and Behavioral Changes\n\n* [Enable `--strict` by default](https://github.com/microsoft/TypeScript/issues/62333)\n* [Assume `\"use strict\"` everywhere by default](https://github.com/microsoft/TypeScript/issues/62213)\n* [Change default `--target` to latest ECMAScript](https://github.com/microsoft/TypeScript/issues/62198)\n* [Error when CLI options are used with `tsconfig.json`](https://github.com/microsoft/TypeScript/issues/62197)\n* [Default `types` to `[]` in `tsconfig.json`](https://github.com/microsoft/TypeScript/issues/62195)\n* [Assume `rootDir` is the config directory](https://github.com/microsoft/TypeScript/issues/62194)\n* [Enable `--noUncheckedSideEffectImports` by default](https://github.com/microsoft/TypeScript/issues/62421)\n* [Default `libReplacement` to `false`](https://github.com/microsoft/TypeScript/issues/62214)\n","author":{"url":"https://github.com/DanielRosenwasser","@type":"Person","name":"DanielRosenwasser"},"datePublished":"2026-02-03T22:04:34.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":41},"url":"https://github.com/63085/TypeScript/issues/63085"}