diff --git a/docs/HEROUI_MIGRATION.md b/docs/HEROUI_MIGRATION.md
index f65106cf..f31be42b 100644
--- a/docs/HEROUI_MIGRATION.md
+++ b/docs/HEROUI_MIGRATION.md
@@ -47,8 +47,10 @@ The clip lane samples real source frames with a bounded cache and one background
 video decoder. Sampling follows clip source offsets, speed, and the visible timeline
 range; it never seeks the playback element. Zooms use a compact lane with labels
 that adapt to block width. The ruler chooses tick density from available width,
-and the red playhead has a white centre line. Webcam roundness defaults to 69%;
-existing saved values remain intact. Three compact timeline tracks fit before
+and the red playhead has a white centre line. Webcam roundness defaults to 100%;
+existing saved values remain intact. New recordings inherit the saved webcam
+appearance, and 100% is the maximum squircle radius rather than a circular mask.
+Three compact timeline tracks fit before
 vertical scrolling. Popovers support outside-click and Escape dismissal and
 share one padding layer. Project and preset names truncate inside their rows.
 The recorder keeps its compact desktop layout.
diff --git a/src/components/video-editor/types.ts b/src/components/video-editor/types.ts
index 904c9cfd..d5dc8714 100644
--- a/src/components/video-editor/types.ts
+++ b/src/components/video-editor/types.ts
@@ -191,7 +191,7 @@ export const DEFAULT_ZOOM_OUT_EASING: ZoomTransitionEasing = "recordly";
 export const DEFAULT_CONNECTED_ZOOM_EASING: ZoomTransitionEasing = "glide";
 export const DEFAULT_WEBCAM_SIZE = 40;
 export const DEFAULT_WEBCAM_REACT_TO_ZOOM = true;
-export const DEFAULT_WEBCAM_ROUNDNESS = 69;
+export const DEFAULT_WEBCAM_ROUNDNESS = 100;
 export const DEFAULT_WEBCAM_SHADOW = 0.3;
 export const DEFAULT_WEBCAM_MARGIN = 24;
 export const DEFAULT_WEBCAM_POSITION_PRESET: WebcamPositionPreset = "bottom-right";
diff --git a/tests/ui/editor-refinements.spec.ts b/tests/ui/editor-refinements.spec.ts
index 02e78dfc..eeb73c76 100644
--- a/tests/ui/editor-refinements.spec.ts
+++ b/tests/ui/editor-refinements.spec.ts
@@ -61,7 +61,7 @@ test("advanced controls, webcam defaults and captions have consistent layouts",
 	await page.getByRole("radio", { name: "Webcam", exact: true }).click();
 	await expect(page.getByRole("switch", { name: "Mirror webcam" })).toHaveCount(0);
 	await expect(page.getByRole("switch", { name: "Webcam Reacts To Zoom" })).toHaveCount(0);
-	await expect(page.getByRole("slider", { name: "Webcam Roundness" })).toHaveValue("69");
+	await expect(page.getByRole("slider", { name: "Webcam Roundness" })).toHaveValue("100");
 	await page.evaluate(() => {
 		window.electronAPI.openVideoFilePicker = async () => ({
 			success: true,
diff --git a/tests/ui/webcam-defaults.spec.ts b/tests/ui/webcam-defaults.spec.ts
new file mode 100644
index 00000000..870e1648
--- /dev/null
+++ b/tests/ui/webcam-defaults.spec.ts
@@ -0,0 +1,47 @@
+import { expect, test } from "@playwright/test";
+import { installDesktopBridge } from "./bridge";
+
+for (const savedRoundness of [undefined, 69]) {
+	test(`new recording webcam uses ${savedRoundness === undefined ? "100% by default" : "saved roundness"}`, async ({
+		page,
+	}) => {
+		await installDesktopBridge(page);
+		await page.addInitScript((roundness) => {
+			if (roundness !== undefined) {
+				window.electronAPI.getAppSetting = (key) =>
+					key === "recordly.editor.preferences" ? { webcam: { roundness } } : null;
+			}
+			window.electronAPI.getCurrentRecordingSession = async () => ({
+				success: true,
+				session: {
+					videoPath: `${location.origin}/tests/ui/fixtures/preview.mp4`,
+					webcamPath: `${location.origin}/tests/ui/fixtures/preview.mp4`,
+					timeOffsetMs: 0,
+				},
+			});
+		}, savedRoundness);
+		await page.goto("/?windowType=editor");
+		await page.getByRole("radio", { name: "Webcam", exact: true }).click();
+		const expected = savedRoundness ?? 100;
+		await expect(page.getByRole("slider", { name: "Webcam Roundness" })).toHaveValue(
+			String(expected),
+		);
+		const mask = page.locator('div[style*="clip-path"][style*="contain: paint"]:has(video)');
+		await expect(mask).toHaveCount(1);
+		await expect
+			.poll(async () =>
+				mask.evaluate((node) => {
+					const radius = Number(
+						getComputedStyle(node).clipPath.match(/M\s+([\d.]+)/)?.[1],
+					);
+					const box = node.getBoundingClientRect();
+					return Math.round(100 * (radius / (Math.min(box.width, box.height) / 2)) ** 2);
+				}),
+			)
+			.toBe(expected);
+		await page.screenshot({
+			path: `test-results/webcam-new-recording-${expected}.png`,
+			animations: "disabled",
+		});
+	});
+}