2.0.0

Added

• Append, reorder, and remove-single-file feature for multiple file uploader(@mshibuya #2401)
• Allow retrieval of uploader index within uploaders(@mshibuya #1771)
• Add ability to customize downloaders(@mshibuya #1636)
• Support internationalized domain names for downloader(@mshibuya #2086)
• Support authenticated_url for Aliyun provider(@Nitrino #2381)
• Support passing options to authenticated_url for OpenStack provider(@stanhu #2377)
• Support authenticated_url for AzureRM provider(@Nitrino #2375)
• Allow custom expires_at when building an authenticated_url(@stephankaag #2397)

Changed

• [BREAKING CHANGE] Use the storage given by storage configuration also for cache_storage unless explicitly specified(@mshibuya 629afecb)
• Improve Fog initialization(@mshibuya #2395)
• [BREAKING CHANGE] Multiple file uploader now keeps successful files on update, only discarding failed ones(@mshibuya 7db9195d)
• [BREAKING CHANGE] #remote_#{column}_urls= was changed to preserve precedent updates(@mshibuya 8f18a95b)
• #serializable_hash now returns string for version keys(@schovi #2246)
• Use the MimeMagic gem to inspect file headers for the mime type. This allows for mitigation of CVE-2016-3714, in combination with a content_type_whitelist(@locriani #1934)
• Replace mime-types dependency with mini_mime to save memory(@bradleypriest #2292)
• Delegate MiniMagick processing to ImageProcessing gem(@janko #2298)
• Handle ActiveRecord transaction correctly, not storing or removing files on rollback(@skosh #2209)

Deprecated

• fog_provider configuration was deprecated and has no effect, just adding fog providers to Gemfile will load them(@mshibuya ca201ee2)
• CarrierWave::Uploader::Base#sanitized_file was deprecated, use #file instead(@mshibuya 28190e99)

Removed

• Remove support for Rails 4.x and Ruby 2.0/2.1 (@mshibuya bada043f)

Fixed

• Fix deleting files twice when marked for removal(@mshibuya 67800fde)
• Fix uploader.cache! loads entire contents of file into memory(@mshibuya #2136)
• Do not trigger *_will_change! when file is not to be removed(@mshibuya #2323)
• Allow deleting all files for multiple file upload(@mshibuya #1990)
• Failing to retrieve unquoted filenames from Content-Disposition(@mshibuya #2364)
• Fix #clean_cache! breaking with old format of cache id(@mshibuya aab402fb)
• Fix #exists? returning true after Fog file deletion(@mshibuya #2387)
• Make #identifier available for a retrieved file(@mshibuya #1581)
• Make cache id generation less predictable(@mshibuya #2326)
• Uploaders not being cleared when #reload or #initialize_dup are overridden in model(@mshibuya #2379)
• Fix #content_type returning false, instead of nil(@longkt90 #2384)
• Preserve connection cache when eagar-loading fog(@dmitryshagin #2383)
• #recreate_versions! ignored :from_version when versions to recreate are given(@hedgesky #1879 #1164)