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Fix #count on a has_many :through association so that it recognizes the :uniq option.  Closes #8801 [lifofifo]

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* url_for now accepts a series of symbols representing the namespace of the record [Josh Knowles]. Closes #8640


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Let alias_attribute work with attributes with initial capital letters (legacy columns etc).  Closes #8596 [mpalmer]



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Change belongs_to so that the foreign_key assumption is taken from the association name, not the class name.  Closes #8992 [hasmanyjosh]

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Remove spurious tests from deprecated_associations_test, most of these aren't deprecated, and are duplicated in associations_test.  Closes #8987 [lifofifo]



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Default to plural table name in Rails Generator if ActiveRecord is not present.  Closes #8963 [evan]

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 Make create! on a has_many :through association return the association object.  Not the collection.  Closes #8786 [lifofifo]


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Make sure missing template exceptions actually say which template they were looking for.  Closes #8683 [dasil003]



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Fix errors with around_filters which do not yield, restore 1.1 behaviour with after filters. Closes #8891 [skaes]


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Support for non heterogeneous arrays when serializing to xml. Unless guessable from array name the type name will be included as attribute 


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Added Hash#except which is the inverse of Hash#slice -- return the hash except the keys that are specified [DHH]

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Include empty has_many/has_and_belongs_to_many associations as empty array tags when serializing to XML


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Don't call unsupported methods on associated objects when using :include, :method with to_xml [manfred, jwilger] Closes  #7307


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Temporary fix for formatted_polymorphic_urls and other polys that have additional options (need better testing!)

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db:create creates the database for the current environment if it's on localhost. db:create:all creates local databases for all environments. Closes #8783.

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Fixes that using a subclass of an ARes object would cache a connection object based of its parent's site variable. Changing the parent's site would have no effect on the descentent objects. 


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Generators: look for generators in all gems, not just those suffixed with _generator, in the gem's generators or rails_generators directory. Allow use of the rails_generators directory instead of the standard generators directory in plugins also. Closes #8730.

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Prefix nested resource named routes with their action name, e.g. new_group_user_path(@group) instead of group_new_user_path(@group). The old nested action named route is deprecated in Rails 1.2.4. Closes #8558.

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Allow sweepers to be created solely for expiring after controller actions, not model changes [DHH] Added assigns method to ActionController::Caching::Sweeper to easily access instance variables on the controller [DHH]

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