Dangers of Upgrading from Laravel 5.7.4 to Laravel 8 - laravel

I would like to know what the possibility is that when I upgrade from Laravel 5.7.4 to Laravel 8 that something in my website will break? If so what would the best approach be to upgrade to the newest version.
Thanks in advance

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Laravel Odoo API

I have been using Edujugon/laradoo for interfacing Laravel with Odoo. In a new project I have been using Laravel 9 and Edjugon/Laradoo does not install anymore.
Can somebody help me by updating Edjugon/Laradoo since the composer setting do not fit anymore with laravel 9. I am not enough of an expert to do that myself. The goal is a successful composer require in Laravel 9. I contacted the author but he seems to be not active anymore.
I found a different solution: tbondois/odoo-ripcord. It is not as elegant as Edjugon/laradoo but it does the work.

Laravel perfect version for beginners?

As I am new with Laravel and there are already many versions out there I'm confused about which version I should start with? Which will be the perfect version to start?
Versions are: 5.1, 5.2, 5.3, 5.4, 5.4.22 and upcoming 5.5
It will be my pleasure if Laravel experts give me some good advice.
Go with laravel 5.4 and start working with PHP 7. There's no point in learning the older versions at the moment. With 5.5 (LTS) set to release in July, you will be well set with learning 5.4 now.
There are already tons of resources for 5.4 and any and most codes and tutorials that uses 5.3 can be used with 5.4 without any/much change.
A good series to get started.
https://laracasts.com/series/laravel-from-scratch-2017
Go to this URL: https://laracasts.com/series/laravel-from-scratch-2017. It's version 5.4, by far the best resource you'll find for laravel. And it's free.
You can start with Laravel 5.4 because Laravel 5.4 is updated one if learn Laravel 5.3 then you definitely learn 5.4 therefore you start with Laravel 5.4
Thank you

Anyone tested Codeigniter 2.2 on php 5.6?

just curious to know, has anyone tested CodeIgniter application on PHP 5.6? We are upgrading our server from 5.3.3 to 5.6 currently running CodeIgniter 2.2 . Will that be fine?
if yes, I would really appreciate if you post your feedback what performance change you have encountered
I have a live site using CI 2.1.3 with php 5.6 that has been running smoothly for more than a year (maybe longer). No CI related problems that I can recall.

Does Laravel 4.2 and 5.2 supports PHP 7?

I am working on project which was created using Laravel 4.2 and i am curious to know, if Laravel 4.2 and Laravel 5.2 , supports PHP 7 or not ?
Thanks
Update: Starting from 4.2.20 Laravel supports PHP7
#laravelphp tweet:
A special release of Laravel 4.2 has been made (4.2.20) to provide PHP
7 support. Also updates base Symfony components to 2.7.
From one of Laravel issues:
Laravel 5.1 is the first version of Laravel to support PHP 7.
and
Laravel 4.2, and the related symfony version will never get PHP 7 support.
Graham Campbell is the main Laravel contributor after Taylor Otwell, so this info is pretty reliable.
As from today Laravel 4.2 got support for PHP 7. So you can upgrade to 4.2.20 to use it in PHP 7

Why Laravel 5.1 removed the default authentication views?

I am new to Laravel and was just testing the authentication part of Laravel 5.1. And I got "View [auth.login] not found." error when I was accessing "/auth/login". It looks like the authentication view is not there as it is supposed to be.
How can I get it back? Should I try 5.0 instead? Thanks.
Since Laravel 5 auth views, assets and routes was removed. The arrival
of version 5.1 has seen the disappearance of these items after many
discussions ...
when you install laravel 5.1 you will only get the home page (welcome.blade.php). In order to get authentication stuff back install this package :
Scafold
Laravel 5.1 is a LTS release which means a long term support, bug fixes for 2 years and security fixes for 3 years ... so it's recommended to use 5.1 instead of 5.

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