Aliases are still in use in Laravel 10.
If you have a look at the app.php code, you will see this.
'aliases' => Facade::defaultAliases()->merge([
// 'Example' => App\Facades\Example::class,
])->toArray(),
Then if you have a look at the Facade class in the vendor files, you will find the defaultAliases() function which returns all default aliases.
public static function defaultAliases()
{
return collect([
'App' => App::class,
'Arr' => Arr::class,
'Artisan' => Artisan::class,
'Auth' => Auth::class,
'Blade' => Blade::class,
'Broadcast' => Broadcast::class,
'Bus' => Bus::class,
'Cache' => Cache::class,
'Config' => Config::class,
'Cookie' => Cookie::class,
'Crypt' => Crypt::class,
'Date' => Date::class,
'DB' => DB::class,
'Eloquent' => Model::class,
'Event' => Event::class,
'File' => File::class,
'Gate' => Gate::class,
'Hash' => Hash::class,
'Http' => Http::class,
'Js' => Js::class,
'Lang' => Lang::class,
'Log' => Log::class,
'Mail' => Mail::class,
'Notification' => Notification::class,
'Password' => Password::class,
'Process' => Process::class,
'Queue' => Queue::class,
'RateLimiter' => RateLimiter::class,
'Redirect' => Redirect::class,
'Request' => Request::class,
'Response' => Response::class,
'Route' => Route::class,
'Schema' => Schema::class,
'Session' => Session::class,
'Storage' => Storage::class,
'Str' => Str::class,
'URL' => URL::class,
'Validator' => Validator::class,
'View' => View::class,
'Vite' => Vite::class,
]);
}