Meanwhile the switch had the big bootrom usb stack exploit, but everything apart from the original SoC doesn't have a publicly known easy exploit (there are mod chips, but nothing like the 3DS/PS3/Wii U/Vita/PSP/...). There also wasn't that as much "cool" stuff to do as on older consoles with homebrew due to the hardware simply being an android tablet with controllers (which doesn't make a difference as a console, but makes it more boring homebrew wise). So there is the usual stuff (savegames, different controllers, piracy, themes, overclocking), but nothing unique to the switch.