It's currently designed around using retained data structures (widgets), rather than diffing generated trees from data like xilem or iced. This is an experiment and I'm not sure if it's a good idea or not.

There's a main.rs that runs a testing window, so you can just cargo run to see it working.

Goals, in general order:

does what I want it to (text, images, video, animations)
very easy to use ignoring ergonomic ref counting
reasonably fast / efficient (a lot faster than electron, save battery life)

dev details

not targeting web rn cause wanna use actual nice gpu features & entire point of this is to make desktop apps / not need a web browser

general ideas trynna use rn / experiment with:

retained mode
specifically designed around wgpu so there's no translation
postfix functions for most things to prevent unreadable indentation (going very well)
events can be done directly where you draw the widgets
almost no macros in user code & actual LSP typechecking (variadic generics if you can hear me please save us)
relative anchor + absolute offset coord system (+ "rest" / leftover during widget layout)
single threaded ui & pass context around to make non async usage straightforward (pretty unsure about this)
widgets store outside of the actual rendering so they can be moved around and swapped easily (unsure about this but seems to work good for now)

under heavy initial development so not gonna try to explain status, maybe check TODO for that; sizable chance it gets a rewrite once I know everything I need and what seems to work best

it's called iris because it's the structure around what you actually want to display and colorful