I just accidentally deleted a bunch of downloads on my JD2.

They were in the "Downloads" tab.

I didn't create nor use a .dlc/container.

[raztoki]

Then they are gone, as there is no backup system at this stage. You need to make sure you backup cfg/downloadlist.zip or just backup the entire cfg/ folder

[Jiaz]

there is no undo/undelete.
maybe in future I can add it, or move deleted links into some kind of *before real deletion*area...for example a trash package