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Remove recommendation to always use const for performance optimization #13979

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jesskuras merged 1 commit into from
Oct 14, 2026
Merged

Remove recommendation to always use const for performance optimization #13979

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10 changes: 0 additions & 10 deletions sites/docs/src/content/perf/best-practices.md
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Expand Up @@ -74,13 +74,6 @@ Here are some things to keep in mind when designing your UI:
("Same instance" is evaluated using `operator ==`,
but see the pitfalls section at the end of this page
for advice on when to avoid overriding `operator ==`.)
* Use `const` constructors on widgets as much as possible,
since they allow Flutter to short-circuit most
of the rebuild work. To be automatically reminded
to use `const` when possible, enable the
recommended lints from the [`flutter_lints`][] package.
For more information, check out the
[`flutter_lints` migration guide][].
* To create reusable pieces of UIs,
prefer using a [`StatelessWidget`][]
rather than a function.
Expand All @@ -92,11 +85,8 @@ For more information, check out:
* [Widgets vs helper methods][],
a video from the official Flutter YouTube
channel that explains why widgets
(especially widgets with `const` constructors)
are more performant than functions.

[`flutter_lints`]: {{site.pub-pkg}}/flutter_lints
[`flutter_lints` migration guide]: /release/breaking-changes/flutter-lints-package#migration-guide
[Performance considerations]: {{site.api}}/flutter/widgets/StatefulWidget-class.html#performance-considerations
[source code for `SlideTransition`]: {{site.repo.flutter}}/blob/main/packages/flutter/lib/src/widgets/transitions.dart#L168
[`StatefulWidget`]: {{site.api}}/flutter/widgets/StatefulWidget-class.html
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