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[material_ui] Add Material 3 Expressive migration skill - #12818
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This pull request introduces a new agent skill documentation file for Material 3 Expressive migration and links it in the skills README. The review feedback correctly points out that the documentation references a non-existent packages/material_ui package instead of packages/flutter where the Material library resides, and provides suggestions to correct these references.
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For the PR description, can you show an example of how contributors should use/prompt for this skill?
| Use this skill for Material 3 Expressive component migration work in `packages/material_ui`. | ||
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| Before planning or implementing a component migration, read the canonical checklist: | ||
| https://github.com/flutter/flutter/blob/master/docs/ecosystem/material_ui/Material-3-Expressive-component-migration-checklist.md |
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For the PR description, can you show an example of how contributors should use/prompt for this skill?
Updated! Thanks!
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This PR is to add a [m3e migration guide](https://docs.google.com/document/d/13UequzlX71hFYTvAO4mfz9sckWVJz7XcqRVh6OkjBF8/edit?usp=sharing) to `docs/ecosystem/material_ui`. Related to https://github.com/orgs/flutter/projects/250 Followup: create a skill that point to this doc to help agent during migration: flutter/packages#12818 ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [AI contribution guidelines] and understand my responsibilities, or I am not using AI tools. - [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 in-code documentation (doc comments with `///`). - [x] If this PR introduces a new feature or capability, I created and linked a website documentation issue or PR in [flutter/website] (or verified none is needed). - [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.
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…er#193840) flutter/packages@5620e65...951f2f7 2026-10-05 Hamidrezash1384@gmail.com [material_ui] Add scrollPadding property to DropdownMenuFormField (flutter/packages#12735) 2026-10-02 36861262+QuncCccccc@users.noreply.github.com [material_ui] Migrate M3 Motion template to use new gen_defaults (flutter/packages#13058) 2026-10-02 44747303+theprantadutta@users.noreply.github.com [cupertino_ui] Forward showDragHandle from showCupertinoSheet to CupertinoSheetRoute (flutter/packages#13011) 2026-10-02 105214765+HibaChamkhi@users.noreply.github.com [cupertino_ui] Fix CupertinoMagnifier focal point with custom size (flutter/packages#13029) 2026-10-02 katelovett@google.com [ci] Add material_ui and cupertino_ui to customer testing (flutter/packages#13114) 2026-10-02 36861262+QuncCccccc@users.noreply.github.com [material_ui] Add Material 3 Expressive migration skill (flutter/packages#12818) 2026-10-02 sethineelansh@gmail.com [video_player] Ignore late position updates after disposal (flutter/packages#12971) 2026-10-02 46639812+Gyeony95@users.noreply.github.com [material_ui] Remove unconditional dart:io import from about.dart (flutter/packages#12774) 2026-10-02 50643541+Mairramer@users.noreply.github.com [material_ui] Fix DropdownButtonFormField underline alignment at bottom (flutter/packages#12606) 2026-10-02 engine-flutter-autoroll@skia.org Roll Flutter from e89fd0a to d03768e (23 revisions) (flutter/packages#13111) 2026-10-02 dkwingsmt@users.noreply.github.com [material_ui] Migrate `Switch` API doc snippets to {@example} (batch 8) (flutter/packages#13052) 2026-10-02 45616602+NikhilKukreja26@users.noreply.github.com [url_launcher] Fix supportsCloseForLaunchMode to query close support (flutter/packages#12926) 2026-10-02 15619084+vashworth@users.noreply.github.com Redistribute iOS/macOS Suggested Reviewers (flutter/packages#13076) 2026-10-02 anilcan.cakir@gmail.com [image_picker] Subsample large images when resizing on Android (flutter/packages#13038) 2026-10-02 kevmoo@users.noreply.github.com [cupertino_ui] Remove redundant null arguments in Completer.complete (flutter/packages#13008) 2026-10-02 269567208+reidbaker-agent@users.noreply.github.com [repo] Update AGENTS.md with dependency allowance and versioning guidance (flutter/packages#12579) If this roll has caused a breakage, revert this CL and set the roller to dry run mode using the controls here: https://autoroll.skia.org/r/flutter-packages-flutter-autoroll Please CC flutter-ecosystem@google.com on the revert to ensure that a human is aware of the problem. To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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This PR is to add an agent skill for Material 3 Expressive component migration work in
packages/material_ui.Related to Bring Material 3 Expressive to Flutter. Will wait until flutter/flutter#192519 lands.
Once this PR is landed, use prompts like
<component name>inpackages/material_ui.material-3-expressive-migrationskill to migrate<component name>inpackages/material_ui.to invoke the skill.
Pre-Review Checklist
[shared_preferences]///).