Default Servo live rendering to software

crates/ely_app/src/services/servo_live.rs

@@ -6,9 +6,10 @@ use std::{
 
 /// Environment variable that lets the user pick the rendering context
 /// kind used by the spawned sidecar. Accepted values: `software`
-/// and `hardware`. macOS defaults to hardware because GPUI can now
-/// present Servo's BGRA IOSurfaces directly; other platforms keep the
-/// software context until they have an equivalent presenter.
+/// and `hardware`. The default stays on the software context because
+/// the live sidecar talks to the app over stdio; the hardware path
+/// requires a transport that moves the IOSurface mach send right into
+/// the receiver process.
 use ely_domain::SitePermissionDecision;
 use serde::Serialize;
 use thiserror::Error;