...It comes with powerful features like delaying jobs for as long as you like, applying middleware to every job, sharing data and models between jobs and even chunking jobs. Laravel Haystack supports every queue connection/worker out of the box. (Database, Redis/Horizon, SQS). It's great if you need to queue thousands of jobs in a chain or if you are looking for features that the original Bus chain doesn't provide. If you need to make hundreds or thousands of API calls in a row, can be combined with Spatie's Job Rate Limiter to keep track of delays and pause jobs when a rate limit is hit. If you need to batch import rows of data - each row can be a haystack job (bale) and processed one at a time. ...