flutter

Upgrade browser versions (Chrome or Firefox) in the Flutter Web Engine and/or Framework tests. Use when asked to roll or upgrade Chrome or Firefox to a newer version.

Upgrades Flutter's Android SDK dependency to a new Android API version (or preview/canary release) in packages.txt, verifies CIPD tag uniqueness, and packages/uploads the binaries using create_cipd_packages.sh across macOS, Linux, and Windows. Use whenever a user wants to pick up a new version of Android or upload Android SDK packages to CIPD.

Automate shepherding, checking status, updating branches, and landing open PRs or approved third-party contributor PRs in the flutter/flutter repository using the gh CLI. When to use: - When you need to check the status of open PRs or shepherded third-party PRs. - When you need to update stale branches or apply the 'autosubmit' label to land approved PRs. When not to use: - Do not use for PRs that are not approved (unless they are your own and you want to check status). - Do not use for repositories other than flutter/flutter.

Rebuilds the Flutter tool and CLI. Use when a user asks to compile, update, regenerate, or rebuild the Flutter tool or CLI.

Find failing checks on a Flutter PR and locate the corresponding LUCI log URLs.

How to land a formal cherry-pick of a merged PR for the flutter/flutter repo stable or beta channel. Only use for flutter/flutter landed pull requests. Only use when the cherry pick request is into "stable", "beta" or a branch that has the format with flutter-<major>.<minor>-candidate.0.

A skill to find the lowest Dart and Flutter release containing a given commit. Use this skill whenever users ask about when a commit landed in Flutter or Dart releases, inquire about release versions for specific SHAs, or want to know if a commit is included in stable, beta, or dev channels for Flutter/Dart projects.

Generates the "what's new" release summary and diff file for changes in the Flutter engine (//engine/src/flutter) between two releases (e.g., 3.47 vs 3.44). When to use: - Only activate when explicitly asked by the user to generate what's new in the engine, diff Flutter engine releases, or produce an engine release summary. When not to use: - Do not use for general questions about commits, individual file history, or codebase searches unless explicitly requested to generate the engine release diff or summary.

Parse failures from Dart and Flutter test logs.

Expertise in analyzing flake github issues in the flutter/flutter repository. Use when a user wants to analyze the flakiness of a specific link to a flutter github issue.

Contains well-defined rules for creating natural, accurate, and readable writing. Use whenever authoring longer text, like analysis documents, PR or CL descriptions, or documentation.

Performs a comprehensive, multi-step code review of pull requests or local code changes, using iterative refinement (generation, critique, synthesis) to ensure high-quality, actionable feedback. Use when you need to review code changes thoroughly.