diff --git a/Cargo.toml b/Cargo.toml
index 2814aec5..876fbb75 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -109,7 +109,6 @@ headless = [
 ]
 
 viewer = [
-  "bevy_args",
   "bevy-inspector-egui",
   "bevy_panorbit_camera",
   # "bevy_transform_gizmo",
@@ -134,7 +133,7 @@ webgpu = ["bevy/webgpu"]
 
 
 [dependencies]
-bevy_args = { version = "1.4", optional = true }
+bevy_args = "1.6"
 bevy-inspector-egui = { version = "0.25", optional = true }
 bevy_mod_picking = { version = "0.20", optional = true }
 bevy_panorbit_camera = { version = "0.19", optional = true }
diff --git a/src/render/gaussian.wgsl b/src/render/gaussian.wgsl
index 6fcb0958..e07a6aab 100644
--- a/src/render/gaussian.wgsl
+++ b/src/render/gaussian.wgsl
@@ -381,6 +381,7 @@ fn vs_points(
     var rgb = vec3<f32>(0.0);
 
 #ifdef RASTERIZE_DEPTH
+    // TODO: unbiased depth rendering, see: https://zju3dv.github.io/pgsr/
     let first_position = vec4<f32>(get_position(get_entry(1u).value), 1.0);
     let last_position = vec4<f32>(get_position(get_entry(gaussian_uniforms.count - 1u).value), 1.0);