The default download is the Godot 3 version. Checked 2026-09-23: the main branch has config_version=4 in project.godot, which is Godot 3, and the only GitHub release (v0.2.1) dates from 2021-01-27. Godot 4 code lives on the godot4_0 branch (targets 4.2) and godot4_5_1 (targets 4.5). Clone the branch that matches your engine; do not take the release
Complements ocean-style boujie-water for inland rivers/streams