Haruna version 0.12.0 is out. You can get it now on flathub:
Availability of other package formats dependes on your distro and the people who package Haruna.
There is a Windows version here.
Issues should be reported on bugs.kde.org, but make sure to fill in the template and provide as much info as possible.
Added preview thumbnail to the progress bar, can be configured in the general settings page
Added setting to allow only a single instance, can be configured in the general settings page
Added action selection popup where you can search all available actions and trigger them (open with Ctrl+` (backtick), similar to KCommandBar)
Added setting to auto resize window to the video resolution, on Wayland the maximum size is not constrained
Added setting to hide playlist toolbar
Added menu item for each settings page under settings menu
The screenshot path is shown in the osd when using mpv 0.36.0 or later versions
Added a "Scroll to playing item" entry to the playlist context menu
Added a "Open url" entry to the playlist context menu for online url
Hiding/showing the menubar, top toolbar and bottom toolbar is now animated
Added track selection menu entries to the hamburger menu
- Fixed not blocking inhibition (turning the display off, sleep etc.) during playback