diff --git a/.github/workflows/check-e2e.yml b/.github/workflows/check-e2e.yml
index 3425ed187..f2f86b6df 100644
--- a/.github/workflows/check-e2e.yml
+++ b/.github/workflows/check-e2e.yml
@@ -28,7 +28,7 @@ jobs:
 
       - name: Install Playwright browsers
         if: steps.playwright-dep-cache.outputs.cache-hit != 'true'
-        run: npx playwright install webkit
+        run: npx playwright install webkit chromium
 
       - name: Install Radicle binaries
         run: |
diff --git a/src/components/Header.svelte b/src/components/Header.svelte
index 1c5e9b4f6..a02f88f9e 100644
--- a/src/components/Header.svelte
+++ b/src/components/Header.svelte
@@ -94,7 +94,7 @@
         </OutlineButton>
         <Popover popoverPositionRight="0" popoverPositionTop="3rem">
           {#snippet toggle(onclick)}
-            <NakedButton variant="ghost" {onclick}>
+            <NakedButton title="Settings" variant="ghost" {onclick}>
               <Icon name="settings" />
             </NakedButton>
           {/snippet}
diff --git a/src/components/Id.svelte b/src/components/Id.svelte
index c3ca99a63..d90e94b9f 100644
--- a/src/components/Id.svelte
+++ b/src/components/Id.svelte
@@ -2,7 +2,7 @@
   import type { ComponentProps, Snippet } from "svelte";
 
   import { debounce } from "lodash";
-  import { writeText } from "@tauri-apps/plugin-clipboard-manager";
+  import { writeToClipboard } from "@app/lib/invoke";
 
   import { formatOid } from "@app/lib/utils";
 
@@ -18,7 +18,7 @@
   }, 1000);
 
   async function copy() {
-    await writeText(clipboard);
+    await writeToClipboard(clipboard);
     icon = "checkmark";
     tooltip = "Copied to clipboard";
     restoreIcon();
diff --git a/src/components/NakedButton.svelte b/src/components/NakedButton.svelte
index a72f6eb2b..3fd4b431d 100644
--- a/src/components/NakedButton.svelte
+++ b/src/components/NakedButton.svelte
@@ -3,11 +3,12 @@
 
   interface Props {
     children: Snippet;
+    title?: string;
     variant: "primary" | "secondary" | "ghost";
     onclick?: () => void;
   }
 
-  const { children, variant, onclick }: Props = $props();
+  const { children, title, variant, onclick }: Props = $props();
 
   const style = $derived(
     `--button-color-1: var(--color-fill-${variant});` +
@@ -203,7 +204,7 @@
 </style>
 
 <!-- svelte-ignore a11y_click_events_have_key_events -->
-<div class="container" {onclick} role="button" tabindex="0" {style}>
+<div class="container" {onclick} {title} role="button" tabindex="0" {style}>
   <div class="pixel p1-1"></div>
   <div class="pixel p1-2"></div>
   <div class="pixel p1-3"></div>
diff --git a/src/components/RepoCard.svelte b/src/components/RepoCard.svelte
index ca80eff0e..d6076da01 100644
--- a/src/components/RepoCard.svelte
+++ b/src/components/RepoCard.svelte
@@ -52,6 +52,7 @@
       {/if}
     </div>
     <Id
+      ariaLabel="repo-id"
       clipboard={repo.rid}
       shorten={false}
       variant="oid"
diff --git a/src/lib/invoke.ts b/src/lib/invoke.ts
index 310517d87..36c8b76bd 100644
--- a/src/lib/invoke.ts
+++ b/src/lib/invoke.ts
@@ -19,3 +19,19 @@ export async function invoke<T = null>(
       });
   }
 }
+
+export async function writeToClipboard(
+  text: string,
+  opts?: {
+    label?: string;
+  },
+) {
+  if (window.__TAURI_INTERNALS__) {
+    await tauri.invoke("plugin:clipboard-manager|write_text", {
+      label: opts?.label,
+      text,
+    });
+  } else {
+    await navigator.clipboard.writeText(text);
+  }
+}
diff --git a/tests/e2e/clipboard.spec.ts b/tests/e2e/clipboard.spec.ts
new file mode 100644
index 000000000..3828beca6
--- /dev/null
+++ b/tests/e2e/clipboard.spec.ts
@@ -0,0 +1,31 @@
+import { chromium } from "playwright";
+
+import { expect, markdownRid, test } from "@tests/support/fixtures.js";
+
+// We explicitly run all clipboard tests withing the context of a single test
+// so that we don't run into race conditions, because there is no way to isolate
+// the clipboard in Playwright yet.
+test("copy to clipboard", async () => {
+  const browser = await chromium.launch();
+  const context = await browser.newContext();
+  await context.grantPermissions(["clipboard-read", "clipboard-write"]);
+  const page = await context.newPage();
+
+  await page.goto("/repos");
+
+  // Reset system clipboard to a known state.
+  await page.evaluate<string>("navigator.clipboard.writeText('')");
+
+  // Repo ID.
+  {
+    await page.getByLabel("repo-id").first().click();
+    const clipboardContent = await page.evaluate<string>(
+      "navigator.clipboard.readText()",
+    );
+    expect(clipboardContent).toBe(markdownRid);
+  }
+
+  // Clear the system clipboard contents so developers don't wonder why there's
+  // random stuff in their clipboard after running tests.
+  await page.evaluate<string>("navigator.clipboard.writeText('')");
+});
diff --git a/tests/e2e/repo/issue.spec.ts b/tests/e2e/repo/issue.spec.ts
new file mode 100644
index 000000000..23861a3aa
--- /dev/null
+++ b/tests/e2e/repo/issue.spec.ts
@@ -0,0 +1,8 @@
+import { test, expect, cobRid } from "@tests/support/fixtures.js";
+
+test("navigate single issue", async ({ page }) => {
+  await page.goto(`/repos/${cobRid}/issues?status=all`);
+  await page.getByText("This title has **markdown**").click();
+
+  await expect(page).toHaveURL(/\/issues\/[0-9a-f]{40}/);
+});
diff --git a/tests/e2e/repo/issues.spec.ts b/tests/e2e/repo/issues.spec.ts
new file mode 100644
index 000000000..a6084fcfd
--- /dev/null
+++ b/tests/e2e/repo/issues.spec.ts
@@ -0,0 +1,10 @@
+import { test, cobRid, expect } from "@tests/support/fixtures.js";
+
+test("navigate issues listing", async ({ page }) => {
+  await page.goto(`/repos/${cobRid}/issues?show=all`);
+  await expect(page.locator(".issue-teaser")).toHaveCount(3);
+
+  await page.getByRole("link", { name: "Closed" }).click();
+  await expect(page.locator(".issue-teaser")).toHaveCount(2);
+  await expect(page).toHaveURL(`/repos/${cobRid}/issues?status=closed`);
+});
diff --git a/tests/e2e/theme.spec.ts b/tests/e2e/theme.spec.ts
new file mode 100644
index 000000000..8d0cde7d5
--- /dev/null
+++ b/tests/e2e/theme.spec.ts
@@ -0,0 +1,32 @@
+import { test, expect } from "@tests/support/fixtures.js";
+
+test("default theme", async ({ page }) => {
+  await page.goto("/repos");
+
+  await expect(page.locator("html")).toHaveAttribute("data-theme", "dark");
+});
+
+test("theme persistence", async ({ page }) => {
+  await page.goto("/repos");
+  await expect(page.getByRole("button", { name: "markdown" })).toBeVisible();
+  await page.getByRole("button", { name: "Settings" }).click();
+
+  await page.getByRole("button", { name: "Light", exact: true }).click();
+  await expect(page.locator("html")).toHaveAttribute("data-theme", "light");
+
+  await page.reload();
+
+  await expect(page.locator("html")).toHaveAttribute("data-theme", "light");
+});
+
+test("change theme", async ({ page }) => {
+  await page.goto("/repos");
+  await expect(page.getByRole("button", { name: "markdown" })).toBeVisible();
+  await page.getByRole("button", { name: "Settings" }).click();
+
+  await page.getByRole("button", { name: "Light", exact: true }).click();
+  await expect(page.locator("html")).toHaveAttribute("data-theme", "light");
+
+  await page.getByRole("button", { name: "Dark", exact: true }).click();
+  await expect(page.locator("html")).toHaveAttribute("data-theme", "dark");
+});