Merge pull request #13703 from schneems/schneems/rail-secrets-key

Favor canonical environment variables for secrets
Set NameError#name
revises a few things in the getting started guide [ci skip]

More to come.
"serie" => "series"
updates screenshot data [ci skip]
recover from test runs that leave the database in a bad state
Merge pull request #13704 from waynn/patch-4

"serie" => "series"
no need to to_sym
avoid more dynamic symbols
reverse_order_value= is not private, so no need to send

It's not public API, but is not private scoped.
unscope should remove bind values associated with the where
[ci skip] Added alias to CSRF
single quotes for controller generated routes

Write routes in route.rb with single quotes

    get 'welcome/index'

instead of

    get "welcome/index"
Merge pull request #13707 from udaykadaboina/docModification

[ci skip] Added alias to CSRF
Merge pull request #13669 from chulkilee/name-error-name

Set NameError#name
[ci skip] Grammar correction
quick pass through Active Record CHANGELOG. [ci skip]
Merge pull request #13709 from akshay-vishnoi/typo

[ci skip] Grammar correction
Fix fields_for documentation with index option [ci skip]

- fields_for documentation with index option was wrong.
- It does not work with passing model as it is.
- Changed the example by passing id of the address object.
- Fixes #13125.
Merge pull request #13706 from prathamesh-sonpatki/issue-13125

Fix fields_for documentation with index option [ci skip]