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Comment by Aisen8010 | Hacker News Reader

I would not be so sure. Sooner or later there will be a QT6 port and most of the work will be lost.

I was a happy GNOME user before the version 3 fiasco. It took years to have a usable GNOME desktop again.

GNOME 3 was a fiasco not because of GTK+ 3. It was a fiasco because they threw 12 years of work and UI/UX design in the rubbish bin instead of thinking of ways to improve on it. MATE now runs on GTK+ 3 and it's leaps and bounds better in terms of UX compared with GNOME > 3. Sure, GNOME now has all the eyecandy and stuff, but it still sucks hard compared to GNOME 2. GNOME 2 was the pinnacle of UX IMHO, it was a novel design that really showed that you could innovate without copying others, that there was a third possible way that was not either a Dock or a start menu. All wasted, I suppose.

Breeze is being ported to Qt 6, and from the screenshots I see (https://www.volkerkrause.eu/2022/01/15/kf6-continuous-integr..., unsure what others), there are no visual changes so far. Time will tell if they change Breeze's appearance further before/after Plasma 6's release (I didn't ask about KDE's current plans). One possibility is O2 (https://pinheiro-kde.blogspot.com/), a reworked theme by the author of KDE 4's Oxygen, though it's not very far into implementation yet.

> Qt 6 […] there are no visual changes so far

That's false, examine Strawberry 1.0.2 running in KDE 5. The menus have the wrong background colour. The font size is wrong.

That's because there's no Breeze theme for Qt 6, so it's using the builtin Fusion theme which is literal cow dung. If you port your theme to Qt 6, the app should look identical.

I do not use a theme. I think you have it the wrong way around. What's missing here is the Qt6 equivalent of KDE System Settings → Appearance, or configuration tool <http://qt5ct.sf.net>, and it's not my task as the end user to provide these, but the toolkit and desktop environment developers'.

You always use a theme with Qt or Gtk. On Plasma the default Qt and Gtk theme is Breeze, which has not been ported to Qt6 yet. ATM the only Qt Widgets-compatible themes I have on my system are "Fusion" and "Windows" (as in "Windows 95"), both of which look absolutely horrible. Fusion is the default, and it's what you currently see when you open a Qt 6 Widgets app (for instance, QBittorrent right now).

By the way, qt6ct exists <https://github.com/trialuser02/qt6ct>, and it's even in Arch's repositories right now. The main issue is that it's useless, because there are simply no Qt6 themes out there yet and KDE still does not support Qt6 so you have to force qt6ct manually.

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