Dart Announcements

1–30 of 317

Official announcements for the Dart project, including breaking changes, new releases, and other messages for the entire community.

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1:34 PM

Breaking Change #46756: Drop reference to Observatory in VM service console message

Intended Behavior Change Update the VM service message to no longer reference Observatory as it will

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Breaking Change #46756: Drop reference to Observatory in VM service console message

Intended Behavior Change Update the VM service message to no longer reference Observatory as it will

1:34 PM

Jul 1

breaking change #46545: dropping support for ES5

Two years ago we announced a plan to deprecate support for ES5. Changes in priorities made us delay

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breaking change #46545: dropping support for ES5

Two years ago we announced a plan to deprecate support for ES5. Changes in priorities made us delay

Jul 1

Jun 28

Breaking change #46497: Print VM help and version output to stdout

Current Behavior Currently the following invocations output details to stderr instead of stdout: dart

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Breaking change #46497: Print VM help and version output to stdout

Current Behavior Currently the following invocations output details to stderr instead of stdout: dart

Jun 28

Jun 16

Proposal to change how dart format handles cascades

Welcome aboard the maiden voyage of the new change process for dart format. I'm proposing three

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Proposal to change how dart format handles cascades

Welcome aboard the maiden voyage of the new change process for dart format. I'm proposing three

Jun 16

Jun 9

breaking change #46316: removing WebSQL

The WebSQL standard was abandoned many years ago and is not supported by many browsers. Our

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breaking change #46316: removing WebSQL

The WebSQL standard was abandoned many years ago and is not supported by many browsers. Our

Jun 9

Michael Thomsen

May 25

Breaking change: Deprecation and discontinuation of standalone Dart tools

Background Historically the Dart team has offered a number of smaller developer tools for things like

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Breaking change: Deprecation and discontinuation of standalone Dart tools

Background Historically the Dart team has offered a number of smaller developer tools for things like

May 25

Michael Thomsen

May 19

Dart SDK 2.13.0 released

The Dart SDK version 2.13.0 is now available. Please note that it contains a number of previously

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Dart SDK 2.13.0 released

The Dart SDK version 2.13.0 is now available. Please note that it contains a number of previously

May 19

May 18

A change process for 'dartfmt' / 'dart format'

TL;DR: We're moving to a slightly more formal process for changing dart format to make it easier

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A change process for 'dartfmt' / 'dart format'

TL;DR: We're moving to a slightly more formal process for changing dart format to make it easier

May 18

May 4

Breaking change: Improved Directives Sorting Analysis

As of the 2.14.0-52.0.dev build and 2.14 stable, the directives_ordering lint will catch a number of

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Breaking change: Improved Directives Sorting Analysis

As of the 2.14.0-52.0.dev build and 2.14 stable, the directives_ordering lint will catch a number of

May 4

May 3

breaking change 45451: deprecate and remove support for native extensions

We are planning to deprecate (in Dart 2.14) and remove (in Dart 2.15) support for native extensions.

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breaking change 45451: deprecate and remove support for native extensions

We are planning to deprecate (in Dart 2.14) and remove (in Dart 2.15) support for native extensions.

May 3

Alexander Aprelev

Apr 30

Breaking change 45871: Drop Content-Length:0 header from GET/HEAD requests

We propose to not to include Content-Length header in GET/HEAD http requests when its value is 0(when

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Breaking change 45871: Drop Content-Length:0 header from GET/HEAD requests

We propose to not to include Content-Length header in GET/HEAD http requests when its value is 0(when

Apr 30

Apr 29

New Dart security advisory

Dart has issued a new security advisory. This advisory covers all versions of Dart SDK releases

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New Dart security advisory

Dart has issued a new security advisory. This advisory covers all versions of Dart SDK releases

Apr 29

Jonas Termansen

Apr 8

Breaking change #45630: Don't restore terminal state on exit

We propose to make the Dart VM stop automatically restoring the terminal settings upon exit. Programs

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Breaking change #45630: Don't restore terminal state on exit

We propose to make the Dart VM stop automatically restoring the terminal settings upon exit. Programs

Apr 8

Michael Thomsen

Mar 3

Dart SDK 2.12.0 released

The Dart SDK version 2.12.0 is now available. Please note that it contains a number of previously

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Dart SDK 2.12.0 released

The Dart SDK version 2.12.0 is now available. Please note that it contains a number of previously

Mar 3

Lasse R.H. Nielsen

Mar 1

Breaking change [45115]: Disallow custom implementations of typed data.

We propose to disallow any non-platform implementation of the typed-data classes of `dart:typed_data`

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Breaking change [45115]: Disallow custom implementations of typed data.

We propose to disallow any non-platform implementation of the typed-data classes of `dart:typed_data`

Mar 1

Feb 22

Breaking change 45072: dart:ffi Pointers and structs can no longer have native finalizers

If you do not use dart:ffi you may stop reading now. We're making a breaking change in dart_api.h

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Breaking change 45072: dart:ffi Pointers and structs can no longer have native finalizers

If you do not use dart:ffi you may stop reading now. We're making a breaking change in dart_api.h

Feb 22

Franklin Yow, Paul Berry2

Jan 15

[Breaking Change] Disallow type promotion of `this` in extensions

This change was approved and has landed in https://github.com/dart-lang/sdk/commit/

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[Breaking Change] Disallow type promotion of `this` in extensions

This change was approved and has landed in https://github.com/dart-lang/sdk/commit/

Jan 15

Jan 12

Breaking changes 44621 and 44622: dart:ffi API changing

If you do not use dart:ffi you may stop reading now. We're making a breaking change where

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Breaking changes 44621 and 44622: dart:ffi API changing

If you do not use dart:ffi you may stop reading now. We're making a breaking change where

Jan 12

Michael Thomsen

11/5/20

Breaking change 44072: Apps must declare an SDK constraint in pubspec.yaml

We're making a breaking change where dart pub get/flutter pub get/pub get will start to throw an

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Breaking change 44072: Apps must declare an SDK constraint in pubspec.yaml

We're making a breaking change where dart pub get/flutter pub get/pub get will start to throw an

11/5/20

Lasse R.H. Nielsen2

11/3/20

Breaking change 44039: Fix HttpClient callback argument nullability

(If you expect the change to affect your code negatively, please comment on the issue). /L On Tue,

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Breaking change 44039: Fix HttpClient callback argument nullability

(If you expect the change to affect your code negatively, please comment on the issue). /L On Tue,

11/3/20

Dart Announcements

10/8/20

AngularDart Roadmap Update

Today, we're announcing a major update to the AngularDart packages. This release represents many

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AngularDart Roadmap Update

Today, we're announcing a major update to the AngularDart packages. This release represents many

10/8/20

9/8/20

Mitigation for DDC bug in Chrome 87

Summary If you develop Dart Web or Flutter Web applications, you may need to take action to prevent

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Mitigation for DDC bug in Chrome 87

Summary If you develop Dart Web or Flutter Web applications, you may need to take action to prevent

9/8/20

8/5/20

Dart SDK 2.9.0 released

The Dart SDK version 2.9.0 is now available. Please note that it contains a number of previously

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Dart SDK 2.9.0 released

The Dart SDK version 2.9.0 is now available. Please note that it contains a number of previously

8/5/20

7/15/20

breaking change #42714: web compilers disallow dart:mirrors imports

`dart:mirrors` was deprecated on Dart for the web since 2.0.0. Both dart2js and DDC provided empty

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breaking change #42714: web compilers disallow dart:mirrors imports

`dart:mirrors` was deprecated on Dart for the web since 2.0.0. Both dart2js and DDC provided empty

7/15/20

7/10/20

Warning: temporary break in package:meta

We temporarily had an unintentional breaking change in package:meta. If you used versions 1.2.0 or

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Warning: temporary break in package:meta

We temporarily had an unintentional breaking change in package:meta. If you used versions 1.2.0 or

7/10/20

6/19/20

Breaking Change #42069: Remove support for ARMv6

We plan to remove support for ARMv6 in the Dart VM. We have not been distributing ARMv6 SDKs to users

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Breaking Change #42069: Remove support for ARMv6

We plan to remove support for ARMv6 in the Dart VM. We have not been distributing ARMv6 SDKs to users

6/19/20

Dart Announcements

6/10/20

Preview of null-safety now available

From the announcement: Today is a major milestone for the Dart team with the tech preview of our null

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Preview of null-safety now available

From the announcement: Today is a major milestone for the Dart team with the tech preview of our null

6/10/20

Michael Thomsen

6/4/20

Dart 2.8.4 patch release available

This is a patch release that fixes potential memory leaks in the Dart front-end (issues #42111 and #

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Dart 2.8.4 patch release available

This is a patch release that fixes potential memory leaks in the Dart front-end (issues #42111 and #

6/4/20

Michael Thomsen

5/29/20

Dart 2.8.3 patch release available

This is a patch release that fixes the following issues: crashes in Flutter apps (issue flutter/

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Dart 2.8.3 patch release available

This is a patch release that fixes the following issues: crashes in Flutter apps (issue flutter/

5/29/20

5/18/20

Breaking Change #41904: Support Abort() in HttpClientRequest

Hi, HttpClientRequest in Dart:IO doesn't provide a way of abort() unfinished request. Similar to

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Breaking Change #41904: Support Abort() in HttpClientRequest

Hi, HttpClientRequest in Dart:IO doesn't provide a way of abort() unfinished request. Similar to

5/18/20

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