config: disable internal GRPC logger by default

config.go

@@ -386,15 +386,19 @@ func loadAndValidateConfig(interceptor signal.Interceptor) (*Config, error) {
 	// the debug log level(s). In remote lnd mode we have a global log level
 	// that overwrites all others. In integrated mode we use the lnd log
 	// level as the master level.
+	debuglevel := cfg.Lnd.DebugLevel
 	if cfg.lndRemote {
-		err = build.ParseAndSetDebugLevels(
-			cfg.Remote.LitDebugLevel, cfg.Lnd.LogWriter,
-		)
-	} else {
-		err = build.ParseAndSetDebugLevels(
-			cfg.Lnd.DebugLevel, cfg.Lnd.LogWriter,
-		)
+		debuglevel = cfg.Remote.LitDebugLevel
 	}
+
+	// By default, we don't want the GRPC connection-level logger to be
+	// turned on. So if it isn't specifically mentioned in the debug level
+	// string, we'll disable it.
+	if !strings.Contains(debuglevel, GrpcLogSubsystem) {
+		debuglevel += fmt.Sprintf(",%s=off", GrpcLogSubsystem)
+	}
+
+	err = build.ParseAndSetDebugLevels(debuglevel, cfg.Lnd.LogWriter)
 	if err != nil {
 		return nil, err
 	}

docs/release-notes/release-notes-0.13.7.md

@@ -0,0 +1,42 @@
+# Release Notes
+
+- [Lightning Terminal](#lightning-terminal)
+    - [Bug Fixes](#bug-fixes)
+    - [Functional Changes/Additions](#functional-changesadditions)
+    - [Technical and Architectural Updates](#technical-and-architectural-updates)
+- [Integrated Binary Updates](#integrated-binary-updates)
+    - [LND](#lnd)
+    - [Loop](#loop)
+    - [Pool](#pool)
+    - [Faraday](#faraday)
+    - [Taproot Assets](#taproot-assets)
+- [Contributors](#contributors-alphabetical-order)
+
+## Lightning Terminal
+
+### Bug Fixes
+
+* [Disable the `GRPC` internal low-level connection logger by
+  default](https://github.com/lightninglabs/lightning-terminal/pull/896).
+  It can still be enabled by adding `,GRPC=info` at the end of the
+  `lnd.debuglevel` or `remote.lit-debuglevel` configuration options.
+
+### Functional Changes/Additions
+
+### Technical and Architectural Updates
+
+## Integrated Binary Updates
+
+### LND
+
+### Loop
+
+### Pool
+
+### Faraday
+
+### Taproot Assets
+
+# Contributors (Alphabetical Order)
+
+- Oliver Gugger