Dart Announcements

1–30 of 351

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

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May 31

Breaking change [SDK #52575]: Stop supporting script tag based execution of part files

The intended change is that part files should no longer support script tags. It is currently

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Breaking change [SDK #52575]: Stop supporting script tag based execution of part files

The intended change is that part files should no longer support script tags. It is currently

May 31

May 18

Breaking change 52444: Make dart:io Platform abstract

See discussion on breaking change: https://github.com/dart-lang/sdk/issues/52444 Change Intent Add

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Breaking change 52444: Make dart:io Platform abstract

See discussion on breaking change: https://github.com/dart-lang/sdk/issues/52444 Change Intent Add

May 18

May 10

Dart 3 released

Dart 3 is now available! Please note that it contains a number of previously announced breaking

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Dart 3 released

Dart 3 is now available! Please note that it contains a number of previously announced breaking

May 10

Apr 12

Breaking change 52027: Make dart:io FileSystemEvent sealed

Change Intent Make FileSystemEvent sealed. Justification It would be nice to be able to exhaustively

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Breaking change 52027: Make dart:io FileSystemEvent sealed

Change Intent Make FileSystemEvent sealed. Justification It would be nice to be able to exhaustively

Apr 12

Mar 21

Breaking change [#51799]: Dart web libraries will null assert native APIs in Dart 3

Native web library APIs, like the ones in dart:html, will have their return values be null-asserted

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Breaking change [#51799]: Dart web libraries will null assert native APIs in Dart 3

Native web library APIs, like the ones in dart:html, will have their return values be null-asserted

Mar 21

Feb 6

Breaking change 51035: Change HttpProfileRequestRef.id type from String to int

The change has now been landed from https://dart-review.googlesource.com/c/sdk/+/280020 On Thursday,

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Breaking change 51035: Change HttpProfileRequestRef.id type from String to int

The change has now been landed from https://dart-review.googlesource.com/c/sdk/+/280020 On Thursday,

Feb 6

Jan 26

Dart 2.19 released

The Dart SDK version 2.19 is now available. Please note that it contains a number of previously

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Dart 2.19 released

The Dart SDK version 2.19 is now available. Please note that it contains a number of previously

Jan 26

Jan 6

Breaking change 50902: compile-time error for continue statement having invalid target

(on behalf of Ahmed Ashour <asas...@yahoo.com>) Summary: a compile-time error will be

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Breaking change 50902: compile-time error for continue statement having invalid target

(on behalf of Ahmed Ashour <asas...@yahoo.com>) Summary: a compile-time error will be

Jan 6

Michael Thomsen

12/15/22

Breaking change 49529: Dart 3 removal of deprecated core library APIs

Tracking issue: https://github.com/dart-lang/sdk/issues/49529 Change A number of already deprecated

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Breaking change 49529: Dart 3 removal of deprecated core library APIs

Tracking issue: https://github.com/dart-lang/sdk/issues/49529 Change A number of already deprecated

12/15/22

11/29/22

Breaking change 50576: Fix the behavior of Socket.address

See discussion on breaking change: https://github.com/dart-lang/sdk/issues/50576 Change Socket.

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Breaking change 50576: Fix the behavior of Socket.address

See discussion on breaking change: https://github.com/dart-lang/sdk/issues/50576 Change Socket.

11/29/22

11/9/22

Considering discontinuing package:oauth2

Hi! We're considering discontinuing package:oauth2. package:oauth2 is a client library for

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Considering discontinuing package:oauth2

Hi! We're considering discontinuing package:oauth2. package:oauth2 is a client library for

11/9/22

10/17/22

Breaking change 50231: Remove Observatory from the Dart VM

The link above doesn't point to the right issue. The right issue can be accessed here. On Monday,

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Breaking change 50231: Remove Observatory from the Dart VM

The link above doesn't point to the right issue. The right issue can be accessed here. On Monday,

10/17/22

10/17/22

Breaking change 50231: Remove support for Metrics from dart:developer

Since the early days of the VM service protocol, the Dart VM has provided APIs for visualizing

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Breaking change 50231: Remove support for Metrics from dart:developer

Since the early days of the VM service protocol, the Dart VM has provided APIs for visualizing

10/17/22

9/22/22

Breaking change 49687: Don't delegate foreign private names to noSuchMethod

This change is being implemented, and should go out in the next beta release. On Wed, 17 Aug 2022 at

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Breaking change 49687: Don't delegate foreign private names to noSuchMethod

This change is being implemented, and should go out in the next beta release. On Wed, 17 Aug 2022 at

9/22/22

Michael Thomsen

9/8/22

Breaking change 49530: Discontinue non-null-safe mode

Tracking & feedback issue: https://github.com/dart-lang/sdk/issues/49530 Change In the Dart 2.12

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Breaking change 49530: Discontinue non-null-safe mode

Tracking & feedback issue: https://github.com/dart-lang/sdk/issues/49530 Change In the Dart 2.12

9/8/22

8/31/22

Breaking change 49878: Throw a StateError if ResourceHandle.to* is called more than once

Discussion at: https://github.com/dart-lang/sdk/issues/49878 Change Throw a StateError if

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Breaking change 49878: Throw a StateError if ResourceHandle.to* is called more than once

Discussion at: https://github.com/dart-lang/sdk/issues/49878 Change Throw a StateError if

8/31/22

8/30/22

Dart 2.18 released

The Dart SDK version 2.18 is now available. Please note that it contains a number of previously

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Dart 2.18 released

The Dart SDK version 2.18 is now available. Please note that it contains a number of previously

8/30/22

8/22/22

Breaking change 49635: Flag additional code as unreachable due to types Null and Never

As of https://github.com/dart-lang/sdk/commit/b7567b17991cce725c8dc87114b26a2aeea15239, this change

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Breaking change 49635: Flag additional code as unreachable due to types Null and Never

As of https://github.com/dart-lang/sdk/commit/b7567b17991cce725c8dc87114b26a2aeea15239, this change

8/22/22

Alexander Aprelev

8/18/22

Breaking change 49647: introduce`exclusive` parameter for File.create, createSync methods

We propose to add new named optional `exclusive` parameter to dart:io `File.create` and `File.

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Breaking change 49647: introduce`exclusive` parameter for File.create, createSync methods

We propose to add new named optional `exclusive` parameter to dart:io `File.create` and `File.

8/18/22

7/27/22

Breaking change #49536: remove document.registerElement

We'd like to do a small clean up in dart:html to deprecate and remove the `document.

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Breaking change #49536: remove document.registerElement

We'd like to do a small clean up in dart:html to deprecate and remove the `document.

7/27/22

7/22/22

Breaking change 49305: Disallow negative or hexadecimal content-length headers

Discussion here: https://github.com/dart-lang/sdk/issues/49305 NOTE: This change has already landed -

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Breaking change 49305: Disallow negative or hexadecimal content-length headers

Discussion here: https://github.com/dart-lang/sdk/issues/49305 NOTE: This change has already landed -

7/22/22

7/18/22

Breaking change #49473: dart2js won't accept http URI inputs/imports

Long ago dart2js had experimental support to compile sources provided via http URIs. We don't

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Breaking change #49473: dart2js won't accept http URI inputs/imports

Long ago dart2js had experimental support to compile sources provided via http URIs. We don't

7/18/22

Michael Thomsen

5/11/22

Dart 2.17 released

The Dart SDK version 2.17 is now available. Please note that it contains a number of previously

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Dart 2.17 released

The Dart SDK version 2.17 is now available. Please note that it contains a number of previously

5/11/22

Michael Thomsen2

5/10/22

Breaking change 48272: discontinue .packages file

Update: The change to no longer generate the .packages file is now scheduled to happen in the Dart

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Breaking change 48272: discontinue .packages file

Update: The change to no longer generate the .packages file is now scheduled to happen in the Dart

5/10/22

3/8/22

Breaking change 48526: removing dart pub uploader

Starting Dart 2.17 the `dart pub uploader add|remove` commands will be removed from the Dart SDK.

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Breaking change 48526: removing dart pub uploader

Starting Dart 2.17 the `dart pub uploader add|remove` commands will be removed from the Dart SDK.

3/8/22

3/4/22

Breaking change 48513: Add a new allowLegacyUnsafeRenegotiation property to SecurityContext

Discussion here: https://github.com/dart-lang/sdk/issues/48513 Change I propose that we add a new

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Breaking change 48513: Add a new allowLegacyUnsafeRenegotiation property to SecurityContext

Discussion here: https://github.com/dart-lang/sdk/issues/48513 Change I propose that we add a new

3/4/22

Michael Thomsen

2/3/22

Dart 2.16 released

The Dart SDK version 2.16 is now available. Please note that it contains one security advisory and a

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Dart 2.16 released

The Dart SDK version 2.16 is now available. Please note that it contains one security advisory and a

2/3/22

1/19/22

Breaking change 48167: remove support from legacy super-mixins from CFE

We are planning to remove support for legacy super-mixins from CFE. This feature has allowed the use

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Breaking change 48167: remove support from legacy super-mixins from CFE

We are planning to remove support for legacy super-mixins from CFE. This feature has allowed the use

1/19/22

12/9/21

Breaking Change #47887: Add new connectionFactory property to HttpClient

Discussion here: https://github.com/dart-lang/sdk/issues/47887 Change I propose that we add a new

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Breaking Change #47887: Add new connectionFactory property to HttpClient

Discussion here: https://github.com/dart-lang/sdk/issues/47887 Change I propose that we add a new

12/9/21

Dart Announcements

12/8/21

Dart 2.15 released

The Dart SDK version 2.15 is now available. Please note that it contains a number of previously

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Dart 2.15 released

The Dart SDK version 2.15 is now available. Please note that it contains a number of previously

12/8/21

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