Merge pull request #10173 from nashby/element-attributes

options_from_collection_for_select helper takes html attributes
Merge pull request #10239 from rubys/cache_entry_conversion_problems

switch (and lazily convert) ivar names to 3.x
without autosave option updated records not save

Emphasizing that without autosave option only new
records are saved and updated records are not saved
updated rdoc to reflect info about readonly attribute
documentation fixes for Array.wrap and AR::Validations::AssociatedValidator
more descriptive NameError's messages for class attributes
Merge pull request #10249 from shime/descriptive_error_messages

more descriptive error messages for class attributes
Bump activerecord-deprecated_finders to 1.0.0
Don't need to add activerecord-deprecated_finders on edge and dev
applications

This gem will not change often to explain it be included in the
application Gemfile
Adding a local thread registry to store local caches.
adding a test for root path in the app
Merge pull request #10250 from wangjohn/local_cache_registry

Adding a local thread registry to store local caches.
add :nodoc: mark to *Registry classes [ci skip]
Add nodoc to LocalCacheRegistry

[ci skip]
Merge pull request #10252 from epiclabs/nodoc_registries

add :nodoc: mark to *Registry classes [ci skip]
activerecord-deprecated_finders 1.0.0 has a bug with has_many :through
associations
Refactored the storage of a temporary version of the local cache into
its own method.
Document the fact you can add_index on new columns
readonly info for save and save!
bump the rails version in bug report template