Transparency not working

[GeneralBombe]

Hmmm, does anyone have a clue why my background is not being transparent?

extern crate glfw;
use glfw::{Action, Context, Key, WindowHint};
use glow::*;

fn main() {
    let mut glfw = glfw::init(glfw::fail_on_errors).unwrap();
    // Enable alpha channel for the window
    glfw.window_hint(WindowHint::TransparentFramebuffer(true));
    glfw.window_hint(WindowHint::Maximized(false));
    glfw.window_hint(WindowHint::ContextVersionMajor(3));
    glfw.window_hint(WindowHint::ContextVersionMinor(3));
    glfw.window_hint(WindowHint::OpenGlProfile(glfw::OpenGlProfileHint::Core));
    
    

    let (mut window, events) = glfw.with_primary_monitor(|glfw, m| {
        glfw.create_window(200, 200, "Window",
            m.map_or(glfw::WindowMode::Windowed, |m| glfw::WindowMode::Windowed))
    }).expect("Failed to create GLFW window");

    window.set_key_polling(true);
    window.make_current();
    let gl = unsafe {
        glow::Context::from_loader_function(|s| window.get_proc_address(s) as *const _)
    };
    
    while !window.should_close() {
        unsafe { 
            gl.enable(glow::BLEND);
            gl.clear_color(0.0, 0.0, 0.0, 0.0);
            
            gl.clear(glow::COLOR_BUFFER_BIT);
        }
        
        glfw.poll_events();
        
        for (_, event) in glfw::flush_messages(&events) {
            handle_window_event(&mut window, event);
        }
        
        window.swap_buffers();
    }
}

fn handle_window_event(window: &mut glfw::Window, event: glfw::WindowEvent) {
    match event {
        glfw::WindowEvent::Key(Key::Escape, _, Action::Press, _) => {
            window.set_should_close(true)
        }
        _ => {}
    }
}

All other colors work, except transparency.
Would really appreciate any help.
gl.clear_color(1.0, 0.0, 0.0, 0.1) shows as complete red, without any transparency.

I am on windows. I tried the same code in c++, it does not work.
Does anyone have a idea what my issue could be?
Ty in advance :)

[GeneralBombe]

Well i found out why transparency is not working. If i initialize the window on my second screen, transparency works. On my main one however, transparency renders as black. But still, this issue does not persist with this crate. Would still appreciate if anyone knows a workaround :)