• Added support for custom content types for uploaded files (#927, #668).
• Added support for $XDG_CONFIG_HOME (#920).
• Added support for Set-Cookie-triggered cookie expiration (#853).
• Added --format-options to allow disabling sorting, changing JSON indent size, etc. (#128)
• Added --sorted and --unsorted shortcuts for (un)setting all sorting-related --format-options. (#128)
• Added --ciphers to allow configuring OpenSSL ciphers (#870).
• Added netrc support for auth plugins. Enabled for --auth-type=basic and digest, 3rd parties may opt in (#718, #719, #852, #934).
• Fixed built-in plugins-related circular imports (#925).