try out 3.13.9 with master

.github/workflows/playground.yml

@@ -10,7 +10,7 @@ env:
   RUST_VERSION: "1.75" # https://github.com/rustdesk/rustdesk/discussions/7503
   CARGO_NDK_VERSION: "3.1.2"
   LLVM_VERSION: "15.0.6"
-  FLUTTER_VERSION: "3.16.0"
+  FLUTTER_VERSION: "3.13.9"
   FLUTTER_RUST_BRIDGE_VERSION: "1.80.1"
   # for arm64 linux because official Dart SDK does not work
   FLUTTER_ELINUX_VERSION: "3.16.9"
@@ -43,7 +43,7 @@ jobs:
               target: aarch64-linux-android,
               os: ubuntu-20.04,
               openssl-arch: android-arm64,
-              ref: 3244395bfb37725eba6859302a17a2b4bf36dffb, # latest
+              ref: master, # latest
             }
     steps:
       - name: Checkout source code
@@ -104,6 +104,7 @@ jobs:
           git config --global core.longpaths true
           cargo install flutter_rust_bridge_codegen --version ${{ env.FLUTTER_RUST_BRIDGE_VERSION }} --features "uuid"
           sed -i 's/uni_links_desktop/#uni_links_desktop/g' flutter/pubspec.yaml
+          pushd flutter/lib;  find . | grep dart | xargs sed -i 's/textScaler: TextScaler.linear(\(.*\)),/textScaleFactor: \1,/g'; popd;
           pushd flutter ; flutter pub get ; popd
           ~/.cargo/bin/flutter_rust_bridge_codegen --rust-input ./src/flutter_ffi.rs --dart-output ./flutter/lib/generated_bridge.dart