Module development and code questions

I am one of the maintainers of the amapzon_pa module and today i updated my local drupal to 9.4.1.  

When i do that there is a fatal error caused by a 3rd party lib, the amazon php sdk.

I can't find the right hook to override the Entity Reference field settings on Edit Entity form, using Views Entity Reference, regarding to Views arguments, before the Views is executed for loading available items. Can anybody suggest me the right method?

As example on Default Drupal setup, on "Basic page" node I have the "Select list" entity reference to "Article" Node (which have "Tags" field), and have configured in it the Entity Reference Views that filter articles, with a single argument (Tags id = 1), like this:

Hi All,

I have created bubble chart using highchart library on codepen.

Bubble chart using highchart

However I wanted to create the same in Drupal 9 using either webform or custom form submission using views. I tried to create it, but it just create one bubble from one record considering X and Y coordinate and size parameter.

Hi, in a table I show various fields, in a cell I have an entity reference field called code and, after choosing the value, make the description of the code appear immediately below in the same cell
Show the description in the trust under the entity reference code field where there is the red line
S.S:

I have this content being created and I need a simple text field inside of it, so when I run the testing method it goes to the node/add/mytest and find the change that the module makes on the label of the submit button.

the tests are passing, but I dont know how to insert a any field via 'drupalCreateContentType()'

$this->drupalCreateContentType([

'type' => 'testing','name' => 'mytest',]);

Hello, I'm trying to move a really easy site from 6 to 9, the problem is that I get this error: