updates docs for flutter engine footprint #176217
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This pull request updates the documentation for tracking the Flutter engine's disk footprint. The main change is replacing outdated instructions for finding treemaps with a new, detailed step-by-step guide. The document is also given a new top-level heading and an introductory paragraph. My review includes a suggestion to fix the numbering in the new step-by-step guide to improve its readability.
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## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. **Note**: The Flutter team is currently trialing the use of [Gemini Code Assist for GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code). Comments from the `gemini-code-assist` bot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
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## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. **Note**: The Flutter team is currently trialing the use of [Gemini Code Assist for GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code). Comments from the `gemini-code-assist` bot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
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Roll Flutter from 908012d58baa to e11e2c11288b (39 revisions) flutter/flutter@908012d...e11e2c1 2025-10-08 [email protected] Configure FfiNative resolver on dart:io (flutter/flutter#176621) 2025-10-08 [email protected] Marks Linux_pixel_7pro service_extensions_test to be unflaky (flutter/flutter#176700) 2025-10-08 [email protected] Keyboard Animation Fix (flutter/flutter#176418) 2025-10-08 [email protected] Feat: Add carousel view builder (flutter/flutter#172837) 2025-10-08 [email protected] Roll Skia from d10a0d877ff4 to ea7cdbc6b986 (15 revisions) (flutter/flutter#176686) 2025-10-08 [email protected] Roll Fuchsia Linux SDK from jJr3my9C6TwYWPygi... to xrIAL91ngrd-wNr9S... (flutter/flutter#176682) 2025-10-08 [email protected] Fix InputDecoration helper/error padding is not compliant (flutter/flutter#176353) 2025-10-08 [email protected] Fix PopupMenu does not update when PopupMenuTheme in Theme changes. (flutter/flutter#175513) 2025-10-07 [email protected] Roll Dart SDK to 3.10.0-290.1.beta (flutter/flutter#176629) 2025-10-07 [email protected] [ Tool ] Output `app.dtd` and `app.devTools` in machine mode (flutter/flutter#176655) 2025-10-07 [email protected] Rename UIScene integration test projects and fix Xcode compatibility (flutter/flutter#176635) 2025-10-07 [email protected] Selecting an implementation widget with the on-device inspector opens the code location for the nearest project widget (flutter/flutter#176530) 2025-10-07 [email protected] Migrate to `WidgetStateInputBorder` (flutter/flutter#176386) 2025-10-07 [email protected] Make it clear that you need to install clangd in VSCode intellisense c++ config (flutter/flutter#176609) 2025-10-07 [email protected] Bump the customer tests to pick up an update to Zulip's tests. (flutter/flutter#176463) 2025-10-07 [email protected] Roll Packages from d3ef88b to 8ca6416 (2 revisions) (flutter/flutter#176633) 2025-10-07 [email protected] Add fallback for 'scene:willConnectToSession:options' (flutter/flutter#176580) 2025-10-07 [email protected] Roll Skia from d09786dfb854 to d10a0d877ff4 (11 revisions) (flutter/flutter#176616) 2025-10-07 [email protected] [ Widget Preview ] Rework UI and theming (flutter/flutter#176581) 2025-10-07 [email protected] Handle FlutterEngine registration when embedded in Multi-Scene apps (flutter/flutter#176490) 2025-10-07 [email protected] Fix code style in Linux embedder template (flutter/flutter#176256) 2025-10-07 [email protected] Add tooling to migrate to UIScene (flutter/flutter#176427) 2025-10-06 [email protected] Bump customer tests.version to 986c4326b4e4bb4e37bc963c2cc2aaa10b943859 (flutter/flutter#176594) 2025-10-06 [email protected] Fix typo in pages.dart (flutter/flutter#176438) 2025-10-06 [email protected] Fix: Update anchorRect for overlayBuilder when anchor moves (flutter/flutter#169814) 2025-10-06 [email protected] Roll Fuchsia Linux SDK from Zm6K_3gP3VCaMy9rH... to jJr3my9C6TwYWPygi... (flutter/flutter#176591) 2025-10-06 [email protected] Fix deprecated configureStatusBarForFullscreenFlutterExperience for Android 15+ (flutter/flutter#175501) 2025-10-06 [email protected] updates docs for flutter engine footprint (flutter/flutter#176217) 2025-10-06 [email protected] [ Widget Preview ] Fix `WidgetInspectorService` override (flutter/flutter#176550) 2025-10-06 [email protected] Fix NavigatorBar lacks visual feedback (flutter/flutter#175182) 2025-10-06 [email protected] Roll Packages from e401aeb to d3ef88b (4 revisions) (flutter/flutter#176582) 2025-10-06 [email protected] Roll Dart SDK from 898380a41c90 to 6b0193498f09 (2 revisions) (flutter/flutter#176576) 2025-10-06 [email protected] Roll Skia from bc7cf194f4ee to d09786dfb854 (1 revision) (flutter/flutter#176577) 2025-10-06 [email protected] Roll vulkan-deps to a9e2ca3b (flutter/flutter#176322) 2025-10-06 [email protected] Add an AppDelegate callback for implicit FlutterEngines (flutter/flutter#176240) 2025-10-06 [email protected] Roll Skia from 45191c22b15c to bc7cf194f4ee (2 revisions) (flutter/flutter#176572) 2025-10-06 [email protected] [ Widget Preview ] Fix type error when retrieving flags from persistent preferences (flutter/flutter#176546) 2025-10-06 [email protected] Roll Skia from 1fd0ca1f2120 to 45191c22b15c (3 revisions) (flutter/flutter#176556) 2025-10-05 [email protected] Roll Dart SDK from 016a8c0045fd to 898380a41c90 (1 revision) (flutter/flutter#176549) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected],[email protected] on the revert to ensure that a human is aware of the problem. ...
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## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [x] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. **Note**: The Flutter team is currently trialing the use of [Gemini Code Assist for GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code). Comments from the `gemini-code-assist` bot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
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