• Deal with cookies that expire far into the future [RT#50147]
  
• Deal with cookies that expire at or before epoch [RT#49467]
  
• Pass separate type for https to LWP::ConnCache [RT#48899]
  
• Improved handling of the User-Agent header [RT#48461]
  
• HTTP::Cookies add_cookie_header previous Cookies [RT#46106]
  
• Improve diagnostics from LWP::UserAgent::mirror [RT#48869]
  
• mirror should die in case X-Died is set [RT#48236]
  
• Increase default Net::HTTP max line length to 8k.