[web][breaking] Change --web-renderer default from auto to canvaskit
#149826
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c: API break
Backwards-incompatible API changes
e: web_canvaskit
CanvasKit (a.k.a. Skia-on-WebGL) rendering backend for Web
e: web_html
HTML rendering backend for Web
P1
High-priority issues at the top of the work list
platform-web
Web applications specifically
team-web
Owned by Web platform team
tool
Affects the "flutter" command-line tool. See also t: labels.
triaged-web
Triaged by Web platform team
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This was referenced Jun 6, 2024
--web-renderer default from auto to canvaskit--web-renderer default from auto to canvaskit
sfshaza2
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Jun 6, 2024
) Changes the documentation of the default renderer on web. The default renderer is changing from `auto` to `canvaskit`. _This PR is mostly moving things around with no new content being added._ The PR making the code changes: flutter/flutter#149773 The issue: flutter/flutter#149826 ## Presubmit checklist - [x] This PR doesn’t contain automatically generated corrections (Grammarly or similar). - [x] This PR follows the [Google Developer Documentation Style Guidelines](https://developers.google.com/style) — for example, it doesn’t use _i.e._ or _e.g._, and it avoids _I_ and _we_ (first person). - [x] This PR uses [semantic line breaks](https://github.com/dart-lang/site-shared/blob/main/doc/writing-for-dart-and-flutter-websites.md#semantic-line-breaks) of 80 characters or fewer.
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From which version will it apply ? |
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Will you update the documentation here also ? |
7 tasks
3 tasks
The change hasn't landed yet, so I can't tell for sure.
Yes, that documentation is changing here: flutter/website#10722 |
auto-submit bot
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Jun 10, 2024
…9773) - When `--web-renderer` is omitted, keep the value `null` until it later materializes to either `canvaskit` or `skwasm`. - No more hardcoded defaults anywhere. We use `WebRendererMode.defaultForJs/defaultForWasm` instead. - When in `--wasm` mode, the JS fallback is now `canvaskit` instead of `auto`. - Add test for defaulting to `skwasm` when `--wasm` is enabled. Fixes #149826
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Announcement email: https://groups.google.com/g/flutter-announce/c/78pys2K3VGE |
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Summary
The
--web-rendererCLI argument's default value is changing fromautotocanvaskit.Background
The
CanvasKitrenderer has come a long way since the early days of Flutter Web. Many bugs have been fixed, and the size has been reasonably decreased. We now consider theCanvasKitrenderer mature enough to be the default renderer for Flutter Web.Migration guide
We recommend using the
canvaskitrenderer, and that's why we are making it the default. But if you have a need for theautorenderer, then you need to explicitly pass it as a CLI argument (please give us feedback on why you needautoorhtmlrenderers here).Command before migration:
Command after migration:
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