Cleanup loaded features and constants after dependency tests.
copy reflection_scopes’s unscoped value when building scope for preloading, fixes #11036
[ci skip] Add missing blank line to AR validation.
[ci skip] No need to indent here (AC overview).
[ci skip] Add highlight to code (form helper guide).
Make `String#remove` and `String#remove!` accept multiple arguments
- Remove unused duplicated method `add_column_position` from AbstractMysqlAdapter
development.rb should mention available log levels
Revert "development.rb should mention available log levels"

This reverts commit 102ba5fd69f18c7d58d70247090fbdeadfc53ca1.

Reason: code/template changes cannot be made in docrails
Revert "Replace String index juggling with Pathname goodness in db:fixtures:load"

This reverts commit 482fdad5ef8a73688b50bba3991dd4ef6f286edd.

Fixes #17237.
Add comment to point out String#[] is intentional
Avoid unnecessary allocations/calls
minor docs change [ci skip]
Merge pull request #17383 from rwz/string-remove

Make `String#remove` and `String#remove!` accept multiple arguments

Conflicts:
	activesupport/CHANGELOG.md
Merge pull request #17487 from pabloh/avoid_allocations

Avoid unnecessary allocations and method calls
Move DebugExceptions#traces_from_wrapper to ExceptionWrapper

ActionDispatch::ExceptionWrapper seems to be the more natural place for
this method to live in.
Change `rails` to `bin/rails` in getting started, fix #1748 [ci skip]
Merge pull request #17494 from craftsmen/issue-17484

Change `rails` to `bin/rails` in getting started, fix #1748 [ci skip]
Remove unneeded autoload
Remove redundant `to_s` in interpolation