In #23935, cable file was to be provided by the javascript instead of coffeescript,
doc was also been modified to use javascript.

Replace `loop` to `until`

Preparing for 5.0.0.rc1 release

http --> https

Helpers doc grammar fix [skip ci]

[ci skip]

It is related with https://github.com/rack/rack/commit/7b66d2cdb80a4d6b44fa8c61d92e25fbbda1f152

Refactor connection handler

In #18721 we removed the discard key from the session hash used to flash
messages and that broke compatibility with Rails 4 applications because they
try to map in the discarded flash messages and it returns nil.

Fixes #24726.

[skip ci]

BoomerAPI is not used anywhere, so removed it!

Release notes: Add a note about `use_transactional_tests` in the deprecated section of Active Record notes [ci skip]

- It was originally added in 83b4e907 and partially
  removed in 05d89410.

Array#split refactoring for case with block

Dont call each when calling body on response to fix #23964

Fixes #23964

Release notes: Add a note about `use_transactional_tests` in the deprecated section of Active Record notes [ci skip]

- Followup of PR #19282.

Fix failures due to transactions

We are erroring due to nested transaction failures from mysql on test_migrate_clears_schema_cache_afterward test.
Disable transactions for this test.

Fixes #24391

Fix broken links in 'Ruby on Rails 2.3 Release Notes' [ci skip]

In 5.0 we use bind parameters for limit and offset, while in 4.2 we used
the values directly. The code as it was written assumed that limit and
offset worked as `LIMIT ? OFFSET ?`. Both Oracle and SQL Server have a
different syntax, where the offset is stated before the limit. We
delegate this behavior to the connection adapter so that these adapters
are able to determine how the bind parameters are flattened based on
what order their specification has the various clauses appear.

Fixes #24775

Calculating -------------------------------------
              before    26.319k i/100ms
               after    29.414k i/100ms
-------------------------------------------------
              before    350.623k (± 1.6%) i/s -      1.763M
               after    416.227k (± 1.4%) i/s -      2.088M

Comparison:
               after:   416226.8 i/s
              before:   350622.8 i/s - 1.19x slower

Fix link in 'Configuring Rails Applications' [ci skip]

Fix link in 'Ruby on Rails 3.0 Release Notes' [ci skip]

Fix markdown syntax in 'Ruby on Rails 2.2 Release Notes' [ci skip]

[ci skip] Release notes: Add PR #24866 to release notes

Implement helpers proxy in controller instance level

Active Model: Improve CHANGELOG and documentation for `validates_acceptance_of` [ci skip]

Expand on Action Mailer Fragment caching tests

- Improve CHANGELOG entry for #18439.
- The documentation is updated as per changes in PR #18439 to the
  `accept` option.
- The explanation about the virtual attribute is moved at the end so
  that the arity of `accept` option is explained first.
- Added a note that `message` can also be passed to `validates_acceptance_of`.