Slimjet v15.0.3 Released (July 19, 2017) Download (Web Installer, Offline Installer, Portable) Changelog
Slimjet v17.0.4 Released (January 10, 2018) Download Changelog Slimjet v17.0.6 Released (January 18, 2018)
Subjectively, it feels faster to me on a very old laptop. It also uses very little RAM (only around 100 MB with one tab open and no video).
My wife loves SlimJet because it it ultra-fast when using Google Maps - unlike the much slower Google Chrome. So if you have someone who complains about Google Map speeds, you might suggest trying SlimJet.