

This article series takes a closer look at interesting projects that recently landed in Copr.
Copr is a build-system for anyone in the Fedora community. It hosts thousands of projects with a wide variety of purposes, targeting diverse groups of users. Some of them should never be installed by anyone, some are already transitioning into the official Fedora repositories, and others fall somewhere in between. Copr allows you to install third-party software not found in the standard Fedora repositories, try nightly versions of your dependencies, use patched builds of your favourite tools to support some non-standard use-cases, and experiment freely.
If you don’t know how to enable a repository or if you are concerned about whether is it safe to use Copr, please consult the project documentation.
Vicinae
Vicinae is a fast application launcher written in C++/QT. Inspired by tool Raycast, it provides instant app and file search and clipboard history. It also includes built-in utilities such as a calculator and web search, along with support for extensions written in TypeScript. It is designed to be highly responsive and native for Wayland environment. Therefore, if you like keeping your hands on the keyboard or want a customizable, extensible launcher for your desktop, Vicinae may be worth trying.

Installation instructions
The repo currently provides vicinae for Fedora 42, 43, and Fedora Rawhide. To install it, use these commands:
sudo dnf copr enable scottames/vicinae
sudo dnf install vicinae
UZDoom
UZDoom is a modern DOOM source port that builds upon classic GZDoom engine, offering hardware-accelerated rendering, an updated scripting system, improved mod support, and high-quality audio playback. At the same time, it maintains compatibility with classic WAD files while making the experience smooth on current systems.
Whether you are playing the original episodes or diving into extensive mod packs, UZDoom offers a convenient way to enjoy them.
Installation instructions
The repo currently provides uzdoom for Fedora 42, 43, and Fedora Rawhide. To install it, use these commands:
sudo dnf copr enable nalika/uzdoom
sudo dnf install uzdoom
Plasma Panel Colorizer
Plasma Panel Colorizer is a widget for KDE Plasma that allows you to customize the panel’s appearance. In addition, it offers options for background tinting, blur, custom opacity levels, shadows, floating panels, or themes that differ from the stock Plasma look. It also includes full blur support and is updated for Plasma 6, making it easy to adjust your panel exactly the way you want.

Installation instructions
The repo currently provides plasma-panel-colorizer for Fedora 42, 43, and Fedora Rawhide. To install it, use these commands:
sudo dnf copr enable peridot-augustus/plasma-panel-colorizer
sudo dnf install plasma-panel-colorizer
sfizz-ui
Sfizz-ui is the graphical interface for the sfizz sampler engine, which is an open-source player for SFZ instrument libraries. The UI provides an accessible way to load SFZ instruments, adjust parameters, and integrate the sampler into your workflow. It also includes plugin support such as LV2 and VST3, making it suitable for music creation in a Linux DAW environment.
For musicians, sound designers, or anyone using SFZ sample libraries, sfizz-ui offers a polished interface.
Installation instructions
The repo currently provides sfizz-ui for Fedora 41, 42, and 43. To install it, use these commands:
sudo dnf copr enable lexridge/sfizz-ui
sudo dnf install sfizz-ui






