diff --git a/package-lock.json b/package-lock.json
index 4c218b7097..91271d5988 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -244,6 +244,7 @@
       "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.28.5.tgz",
       "integrity": "sha512-e7jT4DxYvIDLk1ZHmU/m/mB19rex9sv0c2ftBtjSBv+kVM/902eh0fINUzD7UwLLNR+jU585GxUJ8/EBfAM5fw==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.27.1",
         "@babel/generator": "^7.28.5",
@@ -557,6 +558,7 @@
           "url": "https://opencollective.com/csstools"
         }
       ],
+      "peer": true,
       "engines": {
         "node": ">=18"
       },
@@ -598,6 +600,7 @@
           "url": "https://opencollective.com/csstools"
         }
       ],
+      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -1899,6 +1902,7 @@
       "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.50.1.tgz",
       "integrity": "sha512-hM5faZwg7aVNa819m/5r7D0h0c9yC4DUlWAOvHAtISdFTc8xB86VmX5Xqabrama3wIPJ/q9RbGS1worb6JfnMg==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.50.1",
         "@typescript-eslint/types": "8.50.1",
@@ -2347,6 +2351,7 @@
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.15.0.tgz",
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "dev": true,
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -2736,6 +2741,7 @@
           "url": "https://github.com/sponsors/ai"
         }
       ],
+      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.9.0",
         "caniuse-lite": "^1.0.30001759",
@@ -3737,6 +3743,7 @@
       "resolved": "https://registry.npmjs.org/eslint/-/eslint-9.39.2.tgz",
       "integrity": "sha512-LEyamqS7W5HB3ujJyvi0HQK/dtVINZvd5mAAp9eT5S/ujByGjiZLCzPcHVzuXbpJDJF/cxwHlfceVUDZ2lnSTw==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -7092,6 +7099,7 @@
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
       "integrity": "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.3",
         "fast-uri": "^3.0.1",
@@ -7959,6 +7967,7 @@
       "integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -8142,6 +8151,7 @@
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.104.1.tgz",
       "integrity": "sha512-Qphch25abbMNtekmEGJmeRUhLDbe+QfiWTiqpKYkpCOWY64v9eyl+KRRLmqOFA2AvKPpc9DC6+u2n76tQLBoaA==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@types/eslint-scope": "^3.7.7",
         "@types/estree": "^1.0.8",
@@ -8190,6 +8200,7 @@
       "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-4.10.0.tgz",
       "integrity": "sha512-NLhDfH/h4O6UOy+0LSso42xvYypClINuMNBVVzX4vX98TmTaTUxwRbXdhucbFMd2qLaCTcLq/PdYrvi8onw90w==",
       "dev": true,
+      "peer": true,
       "dependencies": {
         "@discoveryjs/json-ext": "^0.5.0",
         "@webpack-cli/configtest": "^1.2.0",
diff --git a/src/browser/CoreBrowserTerminal.ts b/src/browser/CoreBrowserTerminal.ts
index c26e670515..aa18f0de63 100644
--- a/src/browser/CoreBrowserTerminal.ts
+++ b/src/browser/CoreBrowserTerminal.ts
@@ -1241,10 +1241,16 @@ export class CoreBrowserTerminal extends CoreTerminal implements ITerminal {
    * @param ev The input event to be handled.
    */
   protected _inputEvent(ev: InputEvent): boolean {
-    // Only support emoji IMEs when screen reader mode is disabled as the event must bubble up to
-    // support reading out character input which can doubling up input characters
-    // Based on these event traces: https://github.com/xtermjs/xterm.js/issues/3679
-    if (ev.data && ev.inputType === 'insertText' && (!ev.composed || !this._keyDownSeen) && !this.optionsService.rawOptions.screenReaderMode) {
+    // Handle direct text input (not from composition).
+    // We skip input events when:
+    // - isComposing: Active composition in progress (e.g., emoji picker, CJK IME)
+    // - isSendingComposition: compositionend fired but setTimeout hasn't sent data yet
+    // CompositionHelper handles input in these cases to prevent duplicates.
+    // When NOT composing/sending, we accept input even if ev.composed=true, which fixes
+    // iOS Safari Chinese punctuation input (issue #3070, #4486).
+    // Screen reader mode needs the event to bubble for accessibility announcements.
+    const compositionHelper = this._compositionHelper!;
+    if (ev.data && ev.inputType === 'insertText' && !compositionHelper.isComposing && !compositionHelper.isSendingComposition && !this.optionsService.rawOptions.screenReaderMode) {
       if (this._keyPressHandled) {
         return false;
       }
diff --git a/src/browser/TestUtils.test.ts b/src/browser/TestUtils.test.ts
index 5777d14761..97891d1e25 100644
--- a/src/browser/TestUtils.test.ts
+++ b/src/browser/TestUtils.test.ts
@@ -344,6 +344,9 @@ export class MockCompositionHelper implements ICompositionHelper {
   public get isComposing(): boolean {
     return false;
   }
+  public get isSendingComposition(): boolean {
+    return false;
+  }
   public compositionstart(): void {
     throw new Error('Method not implemented.');
   }
diff --git a/src/browser/Types.ts b/src/browser/Types.ts
index 77f6a61ce1..7c7588a30e 100644
--- a/src/browser/Types.ts
+++ b/src/browser/Types.ts
@@ -40,6 +40,7 @@ export type LineData = CharData[];
 
 export interface ICompositionHelper {
   readonly isComposing: boolean;
+  readonly isSendingComposition: boolean;
   compositionstart(): void;
   compositionupdate(ev: CompositionEvent): void;
   compositionend(): void;
diff --git a/src/browser/input/CompositionHelper.ts b/src/browser/input/CompositionHelper.ts
index b4b03a8424..bd0db3eca9 100644
--- a/src/browser/input/CompositionHelper.ts
+++ b/src/browser/input/CompositionHelper.ts
@@ -32,9 +32,11 @@ export class CompositionHelper {
 
   /**
    * Whether a composition is in the process of being sent, setting this to false will cancel any
-   * in-progress composition.
+   * in-progress composition. This is true between compositionend and when the setTimeout callback
+   * fires to actually send the data.
    */
   private _isSendingComposition: boolean;
+  public get isSendingComposition(): boolean { return this._isSendingComposition; }
 
   /**
    * Data already sent due to keydown event.