Make autocomplete filtering default to true (#3178)

* Make autocomplete filtering default to true

* chlog

CHANGELOG.md

@@ -7,6 +7,7 @@
 * [CHANGE] TraceQL/Structural operators performance improvement. [#3088](https://github.com/grafana/tempo/pull/3088) (@joe-elliott)
 * [CHANGE] Merge the processors overrides set through runtime overrides and user-configurable overrides [#3125](https://github.com/grafana/tempo/pull/3125) (@kvrhdn)
 * [CHANGE] Make vParquet3 the default block encoding [#2526](https://github.com/grafana/tempo/pull/3134) (@stoewer)
+* [CHANGE] Set `autocomplete_filtering_enabled` to `true` by default [#3178](https://github.com/grafana/tempo/pull/3178) (@mapno)
 * [CHANGE] Major cache refactor to allow multiple role based caches to be configured [#3166](https://github.com/grafana/tempo/pull/3166).
   **BREAKING CHANGE** Deprecate the following fields. These have all been migrated to a top level "cache:" field.
   ```

cmd/tempo/app/config.go

@@ -75,7 +75,7 @@ func (c *Config) RegisterFlagsAndApplyDefaults(prefix string, f *flag.FlagSet) {
 	f.StringVar(&c.HTTPAPIPrefix, "http-api-prefix", "", "String prefix for all http api endpoints.")
 	f.BoolVar(&c.UseOTelTracer, "use-otel-tracer", false, "Set to true to replace the OpenTracing tracer with the OpenTelemetry tracer")
 	f.BoolVar(&c.EnableGoRuntimeMetrics, "enable-go-runtime-metrics", false, "Set to true to enable all Go runtime metrics")
-	f.BoolVar(&c.AutocompleteFilteringEnabled, "autocomplete-filtering.enabled", false, "Set to true to enable autocomplete filtering")
+	f.BoolVar(&c.AutocompleteFilteringEnabled, "autocomplete-filtering.enabled", true, "Set to false to disable autocomplete filtering")
 
 	// Server settings
 	flagext.DefaultValues(&c.Server)