flatpak

Is your feature request related to a problem? Please describe.
Not a problem, but a way to right click and rename audios would be a very neat feature.

Describe the solution you'd like
It would just rename the file but it saves time from having to go into file explorer and do it. And it's also convenient.

Desktop (please complete the following information):

• Environment: Wind

Some Chinese fonts still missing, causing Chinese filenames in the sidebar shown as rectangles.
Some other languages may have the same problem, such as Korean and Japanese.

We can't keep most of the JSON formatting, but we could at least preserve trailing newline in the manifest, i.e. add it manually if it was there before we dump updated manifest.