WinUI 3 Performance: A Leap Forward

(github.com)

52 points | by whatever3 2 hours ago

7 comments

  • LoganDark 0 minutes ago
    The user experience of WinUI 3 isn't the worst I've seen but the developer experience is absolutely awful. I tried to make a simple app with it and the number of hacks I needed to get it to look and feel the way I almost wanted was horrible. And the documentation sucks. I had to read the system level implementations of controls in order to figure most of it out. It's great those implementations are available to read, at least, but OH MY GOD
  • the__alchemist 23 minutes ago
    As someone who builds desktop apps:

    Is there any reason I would use this over something cross-platform like EGUI? I am kind of over software being OS-specific; this is one of the biggest compatibility mistakes we've made. Along with the related process of making drawing pixels on a display a complicated process!

    • brokencode 4 minutes ago
      Not really. At least not directly.

      But it is used to implement various parts of Windows, such as the File Explorer, so any improvements are helpful for general system performance.

  • cosmic_cheese 26 minutes ago
    Nice to see. I wonder how feasible it would be to build a plain C interface… would be nice for building bindings to other languages.
  • brokencode 59 minutes ago
    I seriously hope Microsoft consolidates all their Windows app dev on WinUI and invests heavily in making it great.

    I also wish that they’d make WinUI work on macOS as well similar to Avalonia, but I think they probably won’t.

  • giancarlostoro 21 minutes ago
    Will any of this translate to Windows programs like File Manager? Whatever their Image viewer is even called? For some ungodly reason, on my last remaining Windows Device, which is a Surface Book 2 (a Microsoft made laptop!) with very vanilla configurations, everything slows to a crawl in the file manager and if I try to view images on a directory and do the "right arrow" for next or "left arrow" key for previous. It baffles me how something that never had so much slowness can be completely FUBAR'd I miss when Windows had standard apps that were very optimal and didn't slow and ruin my experience. I find myself opening that laptop less and less, and one of these days I might just slap Linux over it.
    • coffeeaddict1 20 minutes ago
      > Will any of this translate to Windows programs like File Manager?

      Did you not read the thread? That's literally stated as an explicit goal.

  • DASD 21 minutes ago
    How about F# support? Until then, happy to support Avalonia.
  • solarkraft 1 hour ago
    Wow, they are actually starting to care about quality. Color me surprised.
    • Almondsetat 56 minutes ago
      Don't worry, once enough people come back, they'll roll back in the ads and the intrusive performance-killing features and the cycle will repeat all over again
      • JamesStuff 32 minutes ago
        You can always really on the MBAs
      • brokencode 51 minutes ago
        Microsoft has long had a tick tock cycle for Windows.

        98: great. ME: bad. XP: great. Vista: bad. 7: great. 8: bad. 10: great. 11: bad

        • contextfree 21 minutes ago
          A fundamental problem with this is that "8" is two different releases (8.0 and 8.1), "10" is about 9 different releases, and "11" is three different releases so far (21H2, 22H2, and 24H2). It doesn't make much sense to lump all of them together because they share the same marketing name; technically there's no difference between going from 8.0 to 8.1 or from 22H2 to 24H2 and going from Vista to 7 or 10 20H1 to 11 21H2
        • kelvinjps10 35 minutes ago
          10 was bad 11 is a little better but no enough. With win10 they started with more annoying ads and the start menu with apps and the click bait news in the start menu
          • Levitating 28 minutes ago
            still leaps better than windows 8
            • thewebguyd 16 minutes ago
              It was, eventually. In the beginning 10 was literally just Windows 8.1 (it even ran the same NT6 kernel) but with the classic UI slapped back on. They called it 10 to get away from the Windows 8 branding that everyone hated.

              I recall it being pretty mediocre at release, just a reskinned 8.1. 10 started to come into its own much later after NT10

            • sunaookami 19 minutes ago
              Aside from the start menu no, not really. Windows 8 is the most performant operating system. No laggy animations (thanks to DirectUI), fast boot time, especially fast on older systems. Windows 10 started the whole lagfest.
              • bigstrat2003 11 minutes ago
                "aside from the start menu" is one hell of a caveat. When you screw up one of the main UI elements as badly as they did, it really drags the whole experience down.
        • qzw 42 minutes ago
          Maybe “great” is going a bit far for some of those. “Not bad” vs “bad” seems more realistic.
      • runjake 13 minutes ago
        I can't downvote this comment, because I've observed exactly this practice happen, again and again, over the past three decades.

        I still remain naively hopeful and cheer them on, however.

    • dgellow 48 minutes ago
      Anyone who tried to do serious native windows dev has been burnt so often by Microsoft. I really wanted to give them the benefit of the doubt with WinUI 3 but I really cannot anymore. Until proven otherwise I expect absolutely nothing to improve meaningfully. It’s extremely sad for those of us who were dumb enough to think Microsoft take on modern GUI would be interesting to follow closely, we are in 2026 and WPF is still the way to go IMHO.
      • Rohansi 43 minutes ago
        > we are in 2026 and WPF is still the way to go IMHO.

        Why not Avalonia? It's not Microsoft but it is a spiritual successor to WPF, cross-platform, and open source.

        • dgellow 34 minutes ago
          Sure, Avalonia is fine. I meant specifically Microsoft offering
      • jimjimjim 36 minutes ago
        Yep, it's 2026 and I'm still 8 hours a day in win32.