---
title: "Singleton and Scoped Container Attributes in Laravel 12.21"
url: https://daily.dev/posts/singleton-and-scoped-container-attributes-in-laravel-12-21-ggs9wd2nx
source_url: https://laravel-news.com/laravel-12-21-0
type: article
source: "Laravel News"
published: 2025-07-23T13:16:19.738Z
updated: 2025-07-23T13:16:48.326Z
tags: ["php", "laravel", "dependency-injection"]
reading_time: 5
upvotes: 11
comments: 0
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Singleton and Scoped Container Attributes in Laravel 12.21

**[Laravel News](https://daily.dev/sources/ln)** · 5 min read · 11 upvotes · 0 comments

## Summary

Laravel 12.21.0 introduces singleton and scoped container attributes that can be applied directly to classes without manual registration. The release adds a whereValueBetween() query builder method for checking if values fall between two columns, strict validation options for numeric and boolean types, factory relationship controls, URI stringable conversion, and fluent empty check methods.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://laravel-news.com/laravel-12-21-0>

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---

Tags: [#php](https://daily.dev/tags/php), [#laravel](https://daily.dev/tags/laravel), [#dependency-injection](https://daily.dev/tags/dependency-injection)

[View this post on daily.dev](https://daily.dev/posts/singleton-and-scoped-container-attributes-in-laravel-12-21-ggs9wd2nx)