You have to provide source to a rust repository. Otherwise, it’s impossible to compile and link Rust safely. There was an article in the topic.

Long story short you can prepare and link a binary library, but you can’t guarantee any type safety or additional optimisations.

Quick analysis of code shows that there’s no suspicious build scripts or imports added, just an additional poorly documented and not tested function.

Documentation is additionally published to a third-party website.

Repository is probably is hidden which is ok.

Why you’ve wrote “dont sign in…” for GitLab? GitLab is safe

I’ve forgot slint. Same as QT

Currently I use WxWidgets and Cocoa for macOS.

The best would probably be pure native UI with static/dynamic library in Rust for logic. Sounds hard, but it’s the best option in my opinion.

My 2 cents is below. Your decision depends on your tasks, preferences and targets.

• GPU framework maybe fast, but accessibility at 0
• HTML backend is nice, but I can’t choice other than native, which limits me quite hard for target user base. And I don’t like JS if not strictly required (it’s a personal preference).
• GTK on macOS and windows is quite hard to install and I don’t like visuals
• QT is in grey zone if static (non-GPL project), and I haven’t found good way to bundle it if dynamic
• ImGUI is nice but I don’t know if they support HiDPI monitors and accessibility is not the highest
• fltk is nice, but 1) many things you’ll have to write by you own, rewriting sometimes from FLTK2 C++ code… and community could be more chill and friendly
• Windows Metro UI… probably no crates
• Win32 API GUI works perfect
• Swift… probably yes, but it’s very OS-dependent
• Cocoa — very nice for macOS.
• current stop is WxWidgets: small, embedded, look… ok for now.
• there’s some framework for iOS and Android, looks fine for me, but not my target ATM.