T23: the owner's checks on macOS: on macOS 27 gpui's Selection material drew no blur, so blur/macos gives the window's effect view underWindowBackground, radius 30; a button at each end of the title bar hides and shows its column, kept in the settings; shot reads an effect view's blur radius; new comments cut to ten words

Cargo.toml

@@ -43,13 +43,13 @@ wayland-server = "0.31"
 [target.'cfg(target_os = "macos")'.dependencies]
 block = "0.1"
 objc = "0.2"
+raw-window-handle = "0.6"
 unicode-normalization = "0.1"
 
 [target.'cfg(target_os = "macos")'.dev-dependencies]
 core-graphics = { version = "0.24", features = ["highsierra"] }
 foreign-types = "0.5"
 image = { version = "0.25", default-features = false, features = ["png"] }
-raw-window-handle = "0.6"
 
 [lints.rust]
 unexpected_cfgs = { level = "warn", check-cfg = ['cfg(feature, values("cargo-clippy"))'] }