From 3d0434bbb2740ce69bf59ef9cedf91d69a96b785 Mon Sep 17 00:00:00 2001
From: Davos <58948657+Elements2720@users.noreply.github.com>
Date: Fri, 16 Oct 2026 19:14:15 +0300
Subject: [PATCH] fix(textarea): place initial caret at end

---
 .../textarea/test/basic/textarea.e2e.ts       | 36 +++++++++++++++++++
 core/src/components/textarea/textarea.tsx     |  5 ++-
 2 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/core/src/components/textarea/test/basic/textarea.e2e.ts b/core/src/components/textarea/test/basic/textarea.e2e.ts
index d3d43361f67..be3809b4d18 100644
--- a/core/src/components/textarea/test/basic/textarea.e2e.ts
+++ b/core/src/components/textarea/test/basic/textarea.e2e.ts
@@ -6,6 +6,42 @@ import { configs, test } from '@utils/test/playwright';
  */
 configs({ directions: ['ltr'] }).forEach(({ title, config }) => {
   test.describe(title('textarea: basic'), () => {
+    // Regression coverage for https://github.com/ionic-team/ionic-framework/issues/31579
+    test('should place the caret at the end when focused with an initial value', async ({ page }) => {
+      await page.setContent(`<ion-textarea value="Hello world"></ion-textarea>`, config);
+
+      const textarea = page.locator('ion-textarea');
+      const nativeTextarea = textarea.locator('textarea');
+
+      await textarea.evaluate(async (el: HTMLIonTextareaElement) => {
+        await el.setFocus();
+      });
+
+      await expect(nativeTextarea).toBeFocused();
+      await expect
+        .poll(() => nativeTextarea.evaluate((el: HTMLTextAreaElement) => [el.selectionStart, el.selectionEnd]))
+        .toEqual([11, 11]);
+    });
+
+    test('should preserve an existing selection when an unrelated render occurs', async ({ page }) => {
+      await page.setContent(`<ion-textarea value="Hello world"></ion-textarea>`, config);
+
+      const textarea = page.locator('ion-textarea');
+      const nativeTextarea = textarea.locator('textarea');
+
+      await textarea.evaluate(async (el: HTMLIonTextareaElement) => {
+        await el.setFocus();
+      });
+      await nativeTextarea.evaluate((el: HTMLTextAreaElement) => el.setSelectionRange(1, 4));
+
+      await textarea.evaluate((el) => el.setAttribute('helper-text', 'Updated helper text'));
+      await page.waitForChanges();
+
+      await expect
+        .poll(() => nativeTextarea.evaluate((el: HTMLTextAreaElement) => [el.selectionStart, el.selectionEnd]))
+        .toEqual([1, 4]);
+    });
+
     test('should stretch to fill height when min-height is set on the host', async ({ page }) => {
       await page.setContent(
         `
diff --git a/core/src/components/textarea/textarea.tsx b/core/src/components/textarea/textarea.tsx
index 297b5cdebc3..01a33f8d840 100644
--- a/core/src/components/textarea/textarea.tsx
+++ b/core/src/components/textarea/textarea.tsx
@@ -804,6 +804,7 @@ export class Textarea implements ComponentInterface {
                 cols={this.cols}
                 rows={this.rows}
                 wrap={this.wrap}
+                value={value}
                 onInput={this.onInput}
                 onChange={this.onChange}
                 onBlur={this.onBlur}
@@ -812,9 +813,7 @@ export class Textarea implements ComponentInterface {
                 aria-describedby={this.getHintTextID()}
                 aria-invalid={this.isInvalid ? 'true' : undefined}
                 {...this.inheritedAttributes}
-              >
-                {value}
-              </textarea>
+              />
             </div>
           </div>
           <div class="textarea-end" ref={(el) => (this.endContainerEl = el)}>