Relation that will get the newest (or oldest) item

New in Laravel 8.42: In an Eloquent model can define a relation that will get the newest (or oldest) item of another relation.

 1public function historyItems(): HasMany
 2{
 3    return $this
 4        ->hasMany(ApplicationHealthCheckHistoryItem::class)
 5        ->orderByDesc('created_at');
 6}
 7 
 8public function latestHistoryItem(): HasOne
 9{
10    return $this
11        ->hasOne(ApplicationHealthCheckHistoryItem::class)
12        ->latestOfMany();
13}