diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9e3d235..2aa346c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,13 +38,13 @@ jobs:
         uses: android-actions/setup-android@v3
 
       - name: Build debug APK
-        run: ./gradlew assembleDebug --no-daemon --stacktrace
+        run: ./gradlew assembleDebug --no-daemon
 
       - name: Run unit tests
-        run: ./gradlew testDebugUnitTest --no-daemon --stacktrace
+        run: ./gradlew testDebugUnitTest --no-daemon
 
       - name: Run Android lint
-        run: ./gradlew lintDebug --no-daemon --stacktrace
+        run: ./gradlew lintDebug --no-daemon
 
       - name: Upload debug APK
         uses: actions/upload-artifact@v4
diff --git a/app/src/main/java/org/prolibertate/games/net/Transport.kt b/app/src/main/java/org/prolibertate/games/net/Transport.kt
index 8bf2523..6ba84d4 100644
--- a/app/src/main/java/org/prolibertate/games/net/Transport.kt
+++ b/app/src/main/java/org/prolibertate/games/net/Transport.kt
@@ -8,6 +8,7 @@ import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import kotlinx.serialization.encodeToString
 import java.io.BufferedReader
 import java.io.BufferedWriter
 import java.io.Closeable
diff --git a/app/src/main/java/org/prolibertate/games/ui/AppRoot.kt b/app/src/main/java/org/prolibertate/games/ui/AppRoot.kt
index 4abbe14..dc17eff 100644
--- a/app/src/main/java/org/prolibertate/games/ui/AppRoot.kt
+++ b/app/src/main/java/org/prolibertate/games/ui/AppRoot.kt
@@ -192,6 +192,7 @@ fun MainMenuScreen(
     }
 }
 
+@OptIn(ExperimentalMaterial3Api::class)
 @Composable
 private fun GameTile(game: GameDescriptor, onClick: () -> Unit) {
     Card(