Upgrade the text shaping backend

crates/obscura-render/Cargo.toml

@@ -21,11 +21,11 @@ ab_glyph = { workspace = true, optional = true }
 # Real inline text layout: HarfBuzz-class shaping (rustybuzz) + UAX#14 line
 # breaking, the same algorithms browsers use. Built with only our embedded
 # fonts (no system-font scan) so layout stays deterministic across hosts.
-cosmic-text = { version = "=0.12.1", default-features = false, features = ["std", "swash"], optional = true }
-# Keep this exactly aligned with cosmic-text 0.12's raster backend. Cosmic
+cosmic-text = { version = "=0.14.2", default-features = false, features = ["std", "swash"], optional = true }
+# Keep this exactly aligned with cosmic-text 0.14's raster backend. Cosmic
 # does not expose variation coordinates, so variable font instances are
 # rasterized through Swash directly while Cosmic remains the shaper.
-swash = { version = "=0.1.19", optional = true }
+swash = { version = "=0.2.0", default-features = false, features = ["std", "scale", "render"], optional = true }
 image = { version = "0.25", default-features = false, features = ["jpeg", "png", "webp"], optional = true }
 ureq = { version = "2.9", default-features = false, features = ["tls"], optional = true }
 base64 = { workspace = true, optional = true }

crates/obscura-render/src/inline.rs

@@ -861,7 +861,14 @@ impl TextEngine {
         // with links ends up coloring the wrong glyphs), and shaping is a
         // small fraction of a page's CSS-cascade-dominated render time.
         let rich = spans.iter().map(|(t, a)| (t.as_str(), a.to_attrs()));
-        buffer.set_rich_text(&mut self.font_system, rich, Attrs::new().family(Family::Name(FAMILY)), Shaping::Advanced);
+        let defaults = Attrs::new().family(Family::Name(FAMILY));
+        buffer.set_rich_text(
+            &mut self.font_system,
+            rich,
+            &defaults,
+            Shaping::Advanced,
+            None,
+        );
 
         let align = match base.text_align {
             Some(taffy::AlignItems::CENTER) => Some(Align::Center),