Related with cbb91745

This was changed at cbb91745

Remove wrapping div with inline styles for hidden form fields.

Conflicts:
	actionview/CHANGELOG.md

Use common to_io so users can access the underlying IO object

Bring SQLite3Adpter init API closer to others

Autoload ActiveModel::StrictValidationFailed

Currently, if environment doesn’t eager load code, invoking this
constant before calling #valid? on a model instance results in a
NameError.

[ci skip] Added examples for telephone_field_tag and url_field_tag methods

[ci skip] Added examples for search_field_tag method

[ci skip] Added examples for color_field_tag method

Reorder i18n guide

Currently, the section called "How to store your custom translations"
has several subheadings that make no sense, such as "Translations for
ActiveRecord models." These make more sense under the "Overview of the
I18n API Features" section. I moved the "How to store..." section down
to the more appropriate sub-headings "Using Different Backends" and
"Using Different Exception Handlers" and removed the "Customize your
i18n setup" header.

Changed the NullRelation so that when count is called with #group it wil...

* This is a follow up to: fe4b0eee
* The originating PR is #14222
* It should fix the build

additional note about routes in functional tests for engines [ci skip]

Changed the NullRelation so that when count is called with #group it will properly return an empty hash instead of zero. Fixes issue #14721

Conflicts:
	activerecord/CHANGELOG.md

Closes #14222.

This is a follow up to #6104

This does not have the backwards compatibility issues brought up in
implementation to break.

Avoid suggesting dangerous code in i18n guide

Calling `to_sym` on user input opens apps up to Denial of Service attacks, via the symbol table being expanded to consume vast swathes of memory.

It is a fairly common configuration to have DNS configured such that all subdomains route to your Rails app, in which case an attacker visits `www1.foo.com`, `www2.foo.com`, and so on until something gives.

It is far less likely to have this problem with TLDs, so that change was only for consistency.

Improve tests for duplicable, remove unnecessary constant

1. Improve tests
2. Remove unnecessary constant
3. Add docs for BigDecimal#duplicable?

Update AC::Metal documentation example

Include proper module since AV was extracted form AP as mentioned in #14659.

Refactor counter cache create and destroy

Changed change_column in PG schema_statements.rb to make sure that the u...

Changed change_column in PG schema_statements.rb to make sure that the uuid_generate function was not being quoted.

In some cases users may need to work with/manipulate more of the
Tempfile api than provided by Upload. Allow users to get at the
underlying io via the common to_io method of IO/IO-like objects

Display diagnostics in text format for xhr request