No, there are releases for lots of platforms:  Windows (.msi), MacOS (intel or arm), Linux (debian), AppImage, Flatpak, and ArchLinux (via aur)

https://github.com/mikedilger/gossip/releases/tag/v0.11.3

We are working to tie up some loose ends and stabilize 0.12 so that people using release builds can get the newest stuff which includes: Spam prevention much improved (including web of trust), Global feed, and Bookmarks.