Hey if you really like gruvbox check Lifepillar's port. He explains what upgrades did compared to the official grubvox. He has some other colorschemes and interesting plugins!
About polyglot, to keep my answer short, I really think that it's a great plugin, if it works for you great! (EDIT: Forgot to mention I may give polyglot another try after reading your guide! thanks!)
I'm a Software Developer from Nigeria with a keen interest in Web Technologies, Security and Performance. I'm currently working on my own products and teaching programming via my website freshman.tech
Hey if you really like gruvbox check Lifepillar's port. He explains what upgrades did compared to the official grubvox. He has some other colorschemes and interesting plugins!
About polyglot, to keep my answer short, I really think that it's a great plugin, if it works for you great! (EDIT: Forgot to mention I may give polyglot another try after reading your guide! thanks!)
Cheers!
Thank you Florian, I will check it out!