3.1.0.rc

Added

• Support for AWS S3 FIPS endpoints (@matt-domsch-sp #2763, 04bfab3, #2762)
• Add CarrierWave::Storage::Fog::File#empty? (@mshibuya 2d1af56, #1926)

Changed

• Show warning when conditionals are used with :convert (@mshibuya fb287f3, #2723)
• Rename #version_exists? to #version_active?, to reduce confusion (@mshibuya 21ca90a, #1926)

Fixed

• Fix incompatibility with MiniMagick >= 5.0 (@mshibuya a60d8d8, #2761)
• Fix incompatibility with uri gem >= 1.0 (@ollym #2760, #2759)
• Clear download errors on reassigning remote urls (@mshibuya bb8c6e1, #2725)