| # Dart Language and Library Newsletters | 
 |  | 
 | This directory contains newsletters about the Dart language and | 
 | some of its core libraries. | 
 | For more information about the newsletters, see | 
 | [this news post](https://news.dartlang.org/2017/11/dart-language-and-library-newsletters.html). | 
 |  | 
 | * [November 10, 2017](20171110.md) | 
 |   * Did you know: Constructors (generative, factory, redirecting, ...) | 
 |   * Shorter final variables (`:=`) | 
 | * [November 3, 2017](20171103.md) | 
 |   * Did you know: Chunked conversions | 
 |   * Optional positional and named parameters | 
 | * [October 27, 2017](20171027.md) | 
 |   * Planned library changes for Dart 2.0: | 
 |     [docs/newsletter/lib/lib.md](lib/lib.md) | 
 | * [October 20, 2017](20171020.md) | 
 |   * DateTime refactoring | 
 |   * [Date-Time Medium article](https://medium.com/@florian_32814/date-time-526a4f86badb) | 
 | * [October 13, 2017](20171013.md) | 
 |   * Follow up: Evaluation order | 
 |   * Did you know: double.toString* | 
 |   * Why even simple language and library changes require so much thought, and why they often take so much time. | 
 | * [October 6, 2017](20171006.md) | 
 |   * Did you know: Static initializers | 
 |   * Changing the evaluation order  | 
 | * [September 29, 2017](20170929.md) | 
 |   * Did you know: JSON encoding | 
 |   * Fixed-size integers | 
 | * [September 22, 2017](20170922.md) | 
 |   * Did you know: Literal strings | 
 |   * Void as a type | 
 | * [September 15, 2017](20170915.md) | 
 |   * Did you know: Labels | 
 |   * Making async functions start synchronously (instead of immediately returning) | 
 | * [September 8, 2017](20170908.md) | 
 |   * Follow up: call | 
 |   * Fuzzy arrow | 
 |   * Enhanced type promotion | 
 | * [September 1, 2017](20170901.md) | 
 |   * The case against call | 
 |   * Limitations on generic types | 
 | * [August 25, 2017](20170825.md) | 
 |   * Separating mixins from normal classes | 
 |   * Corner cases: | 
 |     * Inference vs. manual types | 
 |     * Function types and covariant generics | 
 | * [August 18, 2017](20170818.md) | 
 |   * Did you know: Trailing commas | 
 |   * Function type syntax: Options we considered | 
 | * [August 11, 2017](20170811.md) | 
 |   * Follow ups | 
 |     * Void arrow functions | 
 |     * Deferred loading | 
 |   * Supporting const functions | 
 |   * Shadowing core libraries | 
 | * [August 4, 2017](20170804.md) | 
 |   * Active development: | 
 |     * Better organization for docs | 
 |     * Void as a type | 
 |     * Updates to the core libraries | 
 |   * Deferred loading | 
 | * [July 28, 2017](20170728.md) | 
 |   * Intro to the newsletters | 
 |   * 1.24 language changes: Function types, two void changes | 
 |   * The unified front end, and what that means for language changes | 
 |   * Active development: | 
 |     * Better organization for docs (focusing on | 
 |       [docs/language](https://github.com/dart-lang/sdk/tree/master/docs/language), with | 
 |       [docs/language/informal](https://github.com/dart-lang/sdk/tree/master/docs/language/informal) | 
 |       for specs that aren’t yet in the language spec) | 
 |     * Resolved part-of | 
 |     * Strong-mode clean zones | 
 |     * Void as a type | 
 |     * Enhanced type promotion | 
 |     * Updates to the core libraries |