fix: suppress excessive console logs after updating to v2.10.1

v2/internal/app/app_dev.go

@@ -46,7 +46,12 @@ func CreateApp(appoptions *options.App) (*App, error) {
 	ctx = context.WithValue(ctx, "debug", true)
 	ctx = context.WithValue(ctx, "devtoolsEnabled", true)
 
-	// Set up logger
+	// Set up logger if the appoptions.LogLevel is an invalid value, set it to the default log level
+	appoptions.LogLevel, err = pkglogger.StringToLogLevel(appoptions.LogLevel.String())
+	if err != nil {
+		return nil, err
+	}
+
 	myLogger := logger.New(appoptions.Logger)
 	myLogger.SetLogLevel(appoptions.LogLevel)
 
@@ -91,15 +96,8 @@ func CreateApp(appoptions *options.App) (*App, error) {
 		if frontendDevServerURLFlag != nil {
 			frontendDevServerURL = *frontendDevServerURLFlag
 		}
-		// Only override LogLevel if the flag was explicitly set
-		if loglevelFlag != nil && devFlags.Lookup("loglevel").Value.String() != appoptions.LogLevel.String() {
-			loggerLevel, err := pkglogger.StringToLogLevel(*loglevelFlag)
-			if err != nil {
-				return nil, err
-			}
-			if loggerLevel != appoptions.LogLevel {
-				myLogger.SetLogLevel(loggerLevel)
-			}
+		if loglevelFlag != nil {
+			loglevel = *loglevelFlag
 		}
 	}
 
@@ -176,6 +174,17 @@ func CreateApp(appoptions *options.App) (*App, error) {
 		ctx = context.WithValue(ctx, "devserver", devServer)
 	}
 
+	if loglevel != "" {
+		level, err := pkglogger.StringToLogLevel(loglevel)
+		if err != nil {
+			return nil, err
+		}
+		// Only set the log level if it's different from the appoptions.LogLevel
+		if level != appoptions.LogLevel {
+			myLogger.SetLogLevel(level)
+		}
+	}
+
 	// Attach logger to context
 	ctx = context.WithValue(ctx, "logger", myLogger)
 	ctx = context.WithValue(ctx, "buildtype", "dev")

website/src/pages/changelog.mdx

@@ -21,6 +21,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added "Branding" section to `wails doctor` to correctly identify Windows 11 [#3891](https://github.com/wailsapp/wails/pull/3891) by [@ronen25](https://github.com/ronen25)
 - Added `-skipembedcreate` flag to build and dev command to improve compile and recompile speed [#4143](https://github.com/wailsapp/wails/pull/4143) by @josStorer
 
+### Fixed
+- Fixed excessive console logging after updating to v2.10.1 by @superDingda in [#4111](https://github.com/wailsapp/wails/issues/4111)
 
 ## v2.10.1 - 2025-02-24