| OLD | NEW |
| 1 ## 1.20.0 |
| 2 |
| 3 ### Core library changes |
| 4 * `dart:async` |
| 5 * `Future.wait` now catches synchronous errors and returns them in the |
| 6 returned Future. |
| 7 |
| 1 ## 1.19.0 | 8 ## 1.19.0 |
| 2 | 9 |
| 3 ### Language changes | 10 ### Language changes |
| 4 | 11 |
| 5 * The language now allows a trailing comma after the last argument of a call and | 12 * The language now allows a trailing comma after the last argument of a call and |
| 6 the last parameter of a function declaration. This can make long argument or | 13 the last parameter of a function declaration. This can make long argument or |
| 7 parameter lists easier to maintain, as commas can be left as-is when | 14 parameter lists easier to maintain, as commas can be left as-is when |
| 8 reordering lines. For details, see SDK issue | 15 reordering lines. For details, see SDK issue |
| 9 [26644](https://github.com/dart-lang/sdk/issues/26644). | 16 [26644](https://github.com/dart-lang/sdk/issues/26644). |
| 10 | 17 |
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| 1196 they will keep the Dart process alive until they time out. This fixes the | 1203 they will keep the Dart process alive until they time out. This fixes the |
| 1197 handling of persistent connections. Previously, the client would shut down | 1204 handling of persistent connections. Previously, the client would shut down |
| 1198 immediately after a request. | 1205 immediately after a request. |
| 1199 | 1206 |
| 1200 * **Breaking change:** `HttpServer` no longer compresses all traffic by | 1207 * **Breaking change:** `HttpServer` no longer compresses all traffic by |
| 1201 default. The new `autoCompress` property can be set to `true` to re-enable | 1208 default. The new `autoCompress` property can be set to `true` to re-enable |
| 1202 compression. | 1209 compression. |
| 1203 | 1210 |
| 1204 * `dart:isolate`: `Isolate.spawnUri` added the optional `packageRoot` argument, | 1211 * `dart:isolate`: `Isolate.spawnUri` added the optional `packageRoot` argument, |
| 1205 which controls how it resolves `package:` URIs. | 1212 which controls how it resolves `package:` URIs. |
| OLD | NEW |