paperclip 5.0.0.beta1

on Ruby Gems

Drop support to end-of-life'd ruby 2.0.

Drop support for end-of-life'd Rails 3.2 and 4.1

Drop support for AWS v1

Remove tests for JRuby and Rubinius from Travis CI (they were failing)

Improvement: Add fog_options configuration to send options to fog when
storing files.

Extracted repository for locales only: https://github.com/thoughtbot/paperclip-i18n

Bugfix: Original file could be unlinked during post_process_style, producing failures

Bugfix for image magick scaling images up

Memory consumption improvements

url on a unpersisted record returns default_url rather than nil

Improvement: aws-sdk v2 support
#1903

If your Gemfile contains aws-sdk (>= 2.0.0) and aws-sdk-v1, paperclip will use
aws-sdk v2. With aws-sdk v2, S3 storage requires you to set the s3_region.
s3_region may be nested in s3_credentials, and (if not nested in
s3_credentials) it may be a Proc.