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Flutter Web with CanvasKit: Text won't display special characters #58496

@vs-krasnov

Description

@vs-krasnov

Steps to Reproduce

  1. Add the following Text widget:
Text("Some characters: ⌘, ⌫"),
  1. Run flutter run -d chrome --release --dart-define=FLUTTER_WEB_USE_SKIA=true

Expected results (DomCanvas):
Flutter Demo - Google Chrome 2020-06-02 17 50 24

Actual results: (CanvasKit)
Flutter Demo - Google Chrome 2020-06-02 17 51 03

Logs
[√] Flutter (Channel beta, 1.18.0-11.1.pre, on Microsoft Windows [Version 10.0.18363.836], locale ru-RU)
    • Flutter version 1.18.0-11.1.pre at c:\sdk\flutter
    • Framework revision 2738a1148b (3 weeks ago), 2020-05-13 15:24:36 -0700
    • Engine revision ef9215ceb2
    • Dart version 2.9.0 (build 2.9.0-8.2.beta)

[!] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
    • Android SDK at C:\Users\vs_kr\AppData\Local\Android\sdk
    • Platform android-29, build-tools 29.0.2
    • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b04)
    X Android license status unknown.
      Try re-installing or updating your Android SDK Manager.
      See https://developer.android.com/studio/#downloads or visit visit
      https://flutter.dev/docs/get-started/install/windows#android-setup for detailed instructions.

[√] Chrome - develop for the web
    • Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe

[√] Android Studio (version 3.6)
    • Android Studio at C:\Program Files\Android\Android Studio
    • Flutter plugin version 46.0.1
    • Dart plugin version 192.8052
    • Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b04)

[√] VS Code (version 1.45.1)
    • VS Code at C:\Users\vs_kr\AppData\Local\Programs\Microsoft VS Code
    • Flutter extension version 3.11.0

[√] Connected device (2 available)
    • Web Server • web-server • web-javascript • Flutter Tools
    • Chrome     • chrome     • web-javascript • Google Chrome 81.0.4044.138

! Doctor found issues in 1 category.

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P1High-priority issues at the top of the work lista: typographyText rendering, possibly libtxtcustomer: web10e: web_canvaskitCanvasKit (a.k.a. Skia-on-WebGL) rendering backend for Webengineflutter/engine related. See also e: labels.found in release: 1.18Occurs in 1.18found in release: 1.19Found to occur in 1.19has reproducible stepsThe issue has been confirmed reproducible and is ready to work onplatform-webWeb applications specifically

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