Yes it has declined from the Dec. 2008 high but has rebounded from the Feb. 2015 low [https://www.tiobe.com/tiobe-index/ruby/ https://www.tiobe.com/tiobe-index/

Yes it has declined from the Dec. 2008 high but has rebounded from the Feb. 2015 low [https://www.tiobe.com/tiobe-index/ruby/ https://www.tiobe.com/tiobe-index/ruby/]. Edit: Oddly that page describes May 2016 as it's high (#8), but that's not reflected on the charts.