Correct test description for large integer test
Refactor `SchemaCreation#visit_AddColumn`
[ci skip] Remove outdate note of :dependent
Merge pull request #17802 from aar0nTw/remove-dependent-with-through-note

[ci skip] Remove outdate note of :dependent in guide
Merge pull request #17803 from sadfuzzy/patch-2

Update cookies.rb
Conflicts:
	actionpack/lib/action_dispatch/middleware/cookies.rb
Revert "Test against rack master"

This reverts commit 2a4e14db981e38611667d407a975600ee720ada7.
Bump to rack 1.6.0.beta2
release notes: iteration over the description of Global ID [ci skip]
release notes: edit pass [ci skip]
Merge pull request #17807 from jvperrin/correct-integer-test

Correct test description for large integer test
Fix a bug where AR::RecordNotSaved loses error messages

Since 3e30c5d, it started ignoring the given error message. This commit
changes the behavior of AR::RecordNotSaved#initialize so that it no
longer loses the given error message.
docs, AR no longer makes use of `test:prepare`. [ci skip]

Change originated from https://github.com/rails/rails/pull/17739#issuecomment-64829088

/cc @metaskills
Merge pull request #17798 from kamipo/refactor_visit_add_column

Refactor `SchemaCreation#visit_AddColumn`
Removed ecosystem link from the header of the guides pages
Merge pull request #17809 from iainbeeston/remove_ecosystem_from_guides

Remove ecosystem link from guides
Merge pull request #17808 from yuki24/fix-bug-where-record-not-saved-loses-error-message

Fixed a bug where AR::RecordNotSaved loses the given error message
Adds preloaded_records method to NullPreloader

This fixes a regression where preloading association throws an
exception if one of the associations in the preloading hash doesn't
exist for one record.

Fixes #16070
4.2 release notes pass [skip ci]
Merge pull request #17811 from mrnugget/fixes_nested_association_preloading

Adds preloaded_records method to NullPreloader - fixes #16070
Merge pull request #17812 from jonatack/patch-8

4.2 release notes pass [skip ci]