But he said he no longer has the rights to the font and will not be pursuing the matter. If you do want to use it legally, it’s currently licensed by Monotype and is available on MyFonts for £ ...

Maple Mono: Open source monospace font with round corner, ligatures and Nerd-Font for IDE and terminal, fine-grained customization options ...

This is a the beautiful JuliaMono font by Cormullion extended via fontforge (aka Nerd Fonts Patcher) with all single width glyphs from the Nerd Fonts project.