diff --git a/crates/title_bar/build.rs b/crates/title_bar/build.rs
new file mode 100644
index 0000000000000000000000000000000000000000..ef70268ad3127baf113824348cb3e8685392a52b
--- /dev/null
+++ b/crates/title_bar/build.rs
@@ -0,0 +1,28 @@
+#![allow(clippy::disallowed_methods, reason = "build scripts are exempt")]
+
+fn main() {
+    println!("cargo::rustc-check-cfg=cfg(macos_sdk_26)");
+
+    #[cfg(target_os = "macos")]
+    {
+        use std::process::Command;
+
+        let output = Command::new("xcrun")
+            .args(["--sdk", "macosx", "--show-sdk-version"])
+            .output()
+            .unwrap();
+
+        let sdk_version = String::from_utf8(output.stdout).unwrap();
+        let major_version: Option<u32> = sdk_version
+            .trim()
+            .split('.')
+            .next()
+            .and_then(|v| v.parse().ok());
+
+        if let Some(major) = major_version
+            && major >= 26
+        {
+            println!("cargo:rustc-cfg=macos_sdk_26");
+        }
+    }
+}
diff --git a/crates/title_bar/src/platforms/platform_mac.rs b/crates/title_bar/src/platforms/platform_mac.rs
index c7becde6c1af48bf37e06c0d2dcf991ad3c9f19f..5e8e4e5087054e59f66527915ae97e352a9ff525 100644
--- a/crates/title_bar/src/platforms/platform_mac.rs
+++ b/crates/title_bar/src/platforms/platform_mac.rs
@@ -1,6 +1,10 @@
-/// Use pixels here instead of a rem-based size because the macOS traffic
-/// lights are a static size, and don't scale with the rest of the UI.
-///
-/// Magic number: There is one extra pixel of padding on the left side due to
-/// the 1px border around the window on macOS apps.
+// Use pixels here instead of a rem-based size because the macOS traffic
+// lights are a static size, and don't scale with the rest of the UI.
+//
+// Magic number: There is one extra pixel of padding on the left side due to
+// the 1px border around the window on macOS apps.
+#[cfg(macos_sdk_26)]
+pub const TRAFFIC_LIGHT_PADDING: f32 = 78.;
+
+#[cfg(not(macos_sdk_26))]
 pub const TRAFFIC_LIGHT_PADDING: f32 = 71.;
diff --git a/crates/title_bar/src/title_bar.rs b/crates/title_bar/src/title_bar.rs
index 23572677919509d859a141cb09cce8f5822697ef..d7759b0df8019eed2ad59b73bcaffaa3ffcfb866 100644
--- a/crates/title_bar/src/title_bar.rs
+++ b/crates/title_bar/src/title_bar.rs
@@ -447,34 +447,38 @@ impl TitleBar {
             return None;
         }
 
-        Some(
-            Button::new("restricted_mode_trigger", "Restricted Mode")
-                .style(ButtonStyle::Tinted(TintColor::Warning))
-                .label_size(LabelSize::Small)
-                .color(Color::Warning)
-                .icon(IconName::Warning)
-                .icon_color(Color::Warning)
-                .icon_size(IconSize::Small)
-                .icon_position(IconPosition::Start)
-                .tooltip(|_, cx| {
-                    Tooltip::with_meta(
-                        "You're in Restricted Mode",
-                        Some(&ToggleWorktreeSecurity),
-                        "Mark this project as trusted and unlock all features",
-                        cx,
-                    )
-                })
-                .on_click({
-                    cx.listener(move |this, _, window, cx| {
-                        this.workspace
-                            .update(cx, |workspace, cx| {
-                                workspace.show_worktree_trust_security_modal(true, window, cx)
-                            })
-                            .log_err();
-                    })
+        let button = Button::new("restricted_mode_trigger", "Restricted Mode")
+            .style(ButtonStyle::Tinted(TintColor::Warning))
+            .label_size(LabelSize::Small)
+            .color(Color::Warning)
+            .icon(IconName::Warning)
+            .icon_color(Color::Warning)
+            .icon_size(IconSize::Small)
+            .icon_position(IconPosition::Start)
+            .tooltip(|_, cx| {
+                Tooltip::with_meta(
+                    "You're in Restricted Mode",
+                    Some(&ToggleWorktreeSecurity),
+                    "Mark this project as trusted and unlock all features",
+                    cx,
+                )
+            })
+            .on_click({
+                cx.listener(move |this, _, window, cx| {
+                    this.workspace
+                        .update(cx, |workspace, cx| {
+                            workspace.show_worktree_trust_security_modal(true, window, cx)
+                        })
+                        .log_err();
                 })
-                .into_any_element(),
-        )
+            });
+
+        if cfg!(macos_sdk_26) {
+            // Make up for Tahoe's traffic light buttons having less spacing around them
+            Some(div().child(button).ml_0p5().into_any_element())
+        } else {
+            Some(button.into_any_element())
+        }
     }
 
     pub fn render_project_host(&self, cx: &mut Context<Self>) -> Option<AnyElement> {