… or handler (HypeMC)This PR was merged into the 3.x branch.Discussion----------Don't add processor to all loggers if tags specify a channel or handlerSimilar tosymfony/symfony#61526.When you add a custom processor to a specific channel or handler, it gets added to **all** channels because `ProcessorInterface` is [registered for autoconfiguration](https://github.com/symfony/monolog-bundle/blob/58b98dcf5d3c818679f078d514284b16cc986d34/DependencyInjection/MonologExtension.php#L106-L108).Here's a simple example:```php#[AsMonologProcessor('my_channel')]final class MyProcessor implements ProcessorInterface{    public function __invoke(LogRecord $record) {}}```You'd expect this processor to be registered only for `my_channel`, but due to autoconfiguration it's added to every channel.The workaround is to disable autoconfiguration and add an explicit tag.```yamlservices:    App\MyProcessor:        autoconfigure: false        tags:            - monolog.processor: { channel: 'my_channel' }```This PR ensures a processor is not added to all channels when an explicit channel or handler is configured.Commits-------09b4bae Don't add processor to all loggers if tags specify a channel or handler