Union: Summer 2026 Update

A lot has been happening with Union recently, so it is time for another update. As a reminder, Union is a project to build a new style engine for applications that tries to unify all the different ways Qt and KDE applications can be styled.


This is a companion discussion topic for the original entry at https://quantumproductions.info/articles/2026-08/union-summer-2026-update
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The documentation for QtWidgets styling is really parse, and there are things that are completely missing. And the documentation is always more “What” not “Why” or “How”..

So yeah, no idea when I/we get this QtWidgets style done, but it’s happening.

For the devs, if you’re curious, this is the nightmare MR I’m working on it: Draft: Initial QWidgets style work (!270) · Merge requests · Plasma / Union · GitLab

It needs heavy refactoring since I’ve been mostly doing things trial-and-error, due to the documentation being very lacking.

I will be writing my own blogpost when the first version of it gets merged.

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