|  | # 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 |