What has changed:
1: Added preview of folders and archives (zip, tar.gz, tar.xz, rar)
2: Now the documents (odt,xlsx,odp and others) are converted to pdf and then shown.
3: Added support for .odp,.ppt,.pptx,.tar.gz,.tar.xz,.zip, and .rar files
4: It is now possible to scroll through the video timeline with the arrow keys.
5: The keyboard shortcuts have been changed.

Many previously required dependencies are no longer needed.
To preview documents (optional) you need to install LibreOffice.

If you want to support me you can find the donations link on the github page: https://github.com/Nyre221/dolphin-quick-view

download: https://www.pling.com/p/2083711/
github: https://github.com/Nyre221/dolphin-quick-view