Incompatible Kotlin Gradle Plugin Usage

[under3415]

Below build warning appears for the latest flutter_timezone: ^5.1.0. Can you please check migration to built in Kotlin

WARNING: Your app uses the following plugins that apply Kotlin Gradle Plugin (KGP): flutter_timezone
Future versions of Flutter will fail to build if your app uses plugins that apply KGP.

Please check the changelogs of these plugins and upgrade to a version that supports Built-in Kotlin.
If no such version exists, report the issue to the plugin. If necessary, here is a guide on filing
an issue against a plugin: https://docs.flutter.dev/release/breaking-changes/migrate-to-built-in-kotlin/for-app-developers#report-incompatible-kotlin-gradle-plugin-usage-to-plugin-authors

Flutter Dr:

[√] Flutter (Channel stable, 3.44.4, on Microsoft Windows [Version 10.0.26200.8737], locale en-NZ) [542ms]
    • Flutter version 3.44.4 on channel stable at C:\src\flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision ad70ec4617 (5 days ago), 2026-06-24 11:07:06 -0700
    • Engine revision a10d8ac38d
    • Dart version 3.12.2
    • DevTools version 2.57.0
    • Feature flags: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios, cli-animations, enable-native-assets, enable-swift-package-manager,
      omit-legacy-version-file, enable-lldb-debugging, enable-uiscene-migration

[√] Windows Version (11 Pro 64-bit, 25H2, 2009) [1,167ms]

[√] Android toolchain - develop for Android devices (Android SDK version 37.0.0) [2.2s]
    • Android SDK at C:\Users\dejan\AppData\Local\Android\sdk
    • Emulator version 36.6.11.0 (build_id 15507667) (CL:N/A)
    • Platform android-37.0, build-tools 37.0.0
    • Java binary at: C:\Program Files\Android\Android Studio\jbr\bin\java
      This is the JDK bundled with the latest Android Studio installation on this machine.
      To manually set the JDK path, use: `flutter config --jdk-dir="path/to/jdk"`.
    • Java version OpenJDK Runtime Environment (build 21.0.10+-14961533-b1163.108)
    • All Android licenses accepted.

[√] Chrome - develop for the web [250ms]
    • Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[!] Visual Studio - develop Windows apps (Visual Studio Community 2026 18.7.2) [248ms]
    • Visual Studio at C:\Program Files\Microsoft Visual Studio\18\Community
    • Visual Studio Community 2026 version 18.7.11919.86
    • Windows 10 SDK version 10.0.26100.0
    X Visual Studio is missing necessary components. Please re-run the Visual Studio installer for the "Desktop development with C++" workload, and include these components:
        MSVC v142 - VS 2019 C++ x64/x86 build tools
         - If there are multiple build tool versions available, install the latest
        C++ CMake tools for Windows
        Windows 10 SDK

[√] Connected device (3 available) [298ms]
    • Windows (desktop) • windows • windows-x64    • Microsoft Windows [Version 10.0.26200.8737]
    • Chrome (web)      • chrome  • web-javascript • Google Chrome 149.0.7827.201
    • Edge (web)        • edge    • web-javascript • Microsoft Edge 149.0.4022.98

[√] Network resources [585ms]
    • All expected network resources are available.

! Doctor found issues in 1 category.