| OLD | NEW |
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| 1 ## 1.20.0 | 1 ## 1.20.0 |
| 2 | 2 |
| 3 ### Dart VM | 3 ### Dart VM |
| 4 | 4 |
| 5 * We have improved the way that the VM locates the native code library for a | 5 * We have improved the way that the VM locates the native code library for a |
| 6 native extension (e.g. `dart-ext:` import). We have updated this | 6 native extension (e.g. `dart-ext:` import). We have updated this |
| 7 [article on native extensions](https://www.dartlang.org/articles/dart-vm/nativ
e-extensions) | 7 [article on native extensions](https://www.dartlang.org/articles/dart-vm/nativ
e-extensions) |
| 8 to reflect the VM's improved behavior. | 8 to reflect the VM's improved behavior. |
| 9 | 9 |
| 10 ### Core library changes | 10 ### Core library changes |
| 11 * `dart:core`: Remove deprecated `Resource` class. | 11 * `dart:core`: Remove deprecated `Resource` class. |
| 12 Use the class in `package:resource` instead. | 12 Use the class in `package:resource` instead. |
| 13 * `dart:async` | 13 * `dart:async` |
| 14 * `Future.wait` now catches synchronous errors and returns them in the | 14 * `Future.wait` now catches synchronous errors and returns them in the |
| 15 returned Future. | 15 returned Future. |
| 16 * More aggressively returns a Future on Stream.cancel operations. |
| 17 Discourages to return `null` from `cancel`. |
| 18 * Fixes a few bugs where the cancel future wasn't passed through |
| 19 transformations. |
| 16 * `dart:io` | 20 * `dart:io` |
| 17 * Added `WebSocket.addUtf8Text` to allow sending a pre-encoded text message | 21 * Added `WebSocket.addUtf8Text` to allow sending a pre-encoded text message |
| 18 without a round-trip UTF-8 conversion. | 22 without a round-trip UTF-8 conversion. |
| 19 | 23 |
| 20 ## Strong Mode | 24 ## Strong Mode |
| 21 | 25 |
| 22 * Breaking change - it is an error if a generic type parameter cannot be | 26 * Breaking change - it is an error if a generic type parameter cannot be |
| 23 inferred (SDK issue [26992](https://github.com/dart-lang/sdk/issues/26992)). | 27 inferred (SDK issue [26992](https://github.com/dart-lang/sdk/issues/26992)). |
| 24 | 28 |
| 25 ```dart | 29 ```dart |
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| 1233 they will keep the Dart process alive until they time out. This fixes the | 1237 they will keep the Dart process alive until they time out. This fixes the |
| 1234 handling of persistent connections. Previously, the client would shut down | 1238 handling of persistent connections. Previously, the client would shut down |
| 1235 immediately after a request. | 1239 immediately after a request. |
| 1236 | 1240 |
| 1237 * **Breaking change:** `HttpServer` no longer compresses all traffic by | 1241 * **Breaking change:** `HttpServer` no longer compresses all traffic by |
| 1238 default. The new `autoCompress` property can be set to `true` to re-enable | 1242 default. The new `autoCompress` property can be set to `true` to re-enable |
| 1239 compression. | 1243 compression. |
| 1240 | 1244 |
| 1241 * `dart:isolate`: `Isolate.spawnUri` added the optional `packageRoot` argument, | 1245 * `dart:isolate`: `Isolate.spawnUri` added the optional `packageRoot` argument, |
| 1242 which controls how it resolves `package:` URIs. | 1246 which controls how it resolves `package:` URIs. |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2202533003:
Return futures on Stream.cancel when possible. (Closed)
Base URL: git@github.com:dart-lang/sdk.git@master