You can clone with
Cannot retrieve contributors at this time
New in 2.5.1:* Feature: After we've computed the content type, pass it to Fog.* Feature: S3 encryption with the new :s3_server_side_encryption option.* Feature: Works without ActiveRecord, allowing for e.g. mongo backends.New in 2.5.0:* Performance: Only connect to S3 when absolutely needed.* Bug fix: STI with cached classes respect new options.* Bug fix: conditional validations broke, and now work again.* Feature: URL generation is now parameterized and can be changed with plugins or custom code.* Feature: :convert_options and :source_file_options to control the ImageMagick processing.* Performance: String geometry specifications now parse more quickly.* Bug fix: Handle files with question marks in the filename.* Bug fix: Don't raise an error when generating an expiring URL on an unassigned attachment.* Bug fix: The rake task runs over all instances of an ActiveRecord model, ignoring default scopes.* Feature: DB migration has_attached_file and drop_attached_file methods.* Bug fix: Switch from AWS::S3 to AWS::SDK for the S3 backend.* Bug fix: URL generator uses '?' in the URL unless it already appears and there is no prior '='.* Bug fix: Always convert the content type to a string before stripping blanks.* Feature: The :keep_old_files option preserves the files in storage even when the attachment is cleared or changed.* Performance: Optimize Fog's public_url access by avoiding it when possible.* Bug fix: Avoid a runtime error when generating the ID partition for an unsaved attachment.* Performance: Do not calculate the fingerprint if it is never persisted.* Bug fix: Process the :original style before all others, in case of a dependency.* Feature: S3 headers can be set at runtime by passing a proc object as the value.* Bug fix: Generating missing attachment styles for a model which has had its attachment changed should not raise.* Bug fix: Do not collide with the built-in Ruby hashing method.