From 89fe922b2a85e7b12f3b724e419226fec7432b7d Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Wed, 10 Dec 2025 08:48:49 +0000
Subject: [PATCH 01/12] red tests for <TextInput autoCapitalize />

---
 .../__snapshots__/html-test.native.js.snap    | 84 +++++++++++++++++++
 .../tests/html/html-test.native.js            | 19 +++++
 2 files changed, 103 insertions(+)

diff --git a/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap b/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap
index b7d6a17b..8f1b2889 100644
--- a/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap
+++ b/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap
@@ -247,6 +247,90 @@ exports[`<html.*> (native polyfills) polyfills: props <img> "srcSet" prop with l
 />
 `;
 
+exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "characters" 1`] = `
+<TextInput
+  autoCapitalize="characters"
+  ref={[Function]}
+  style={
+    {
+      "borderWidth": 1,
+      "boxSizing": "content-box",
+      "position": "static",
+    }
+  }
+/>
+`;
+
+exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "none" 1`] = `
+<TextInput
+  autoCapitalize="none"
+  ref={[Function]}
+  style={
+    {
+      "borderWidth": 1,
+      "boxSizing": "content-box",
+      "position": "static",
+    }
+  }
+/>
+`;
+
+exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "off" 1`] = `
+<TextInput
+  autoCapitalize="none"
+  ref={[Function]}
+  style={
+    {
+      "borderWidth": 1,
+      "boxSizing": "content-box",
+      "position": "static",
+    }
+  }
+/>
+`;
+
+exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "on" 1`] = `
+<TextInput
+  autoCapitalize="sentences"
+  ref={[Function]}
+  style={
+    {
+      "borderWidth": 1,
+      "boxSizing": "content-box",
+      "position": "static",
+    }
+  }
+/>
+`;
+
+exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "sentences" 1`] = `
+<TextInput
+  autoCapitalize="sentences"
+  ref={[Function]}
+  style={
+    {
+      "borderWidth": 1,
+      "boxSizing": "content-box",
+      "position": "static",
+    }
+  }
+/>
+`;
+
+exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "words" 1`] = `
+<TextInput
+  autoCapitalize="words"
+  ref={[Function]}
+  style={
+    {
+      "borderWidth": 1,
+      "boxSizing": "content-box",
+      "position": "static",
+    }
+  }
+/>
+`;
+
 exports[`<html.*> (native polyfills) polyfills: props <input> "autoComplete" prop: "additional-name" 1`] = `
 <TextInput
   autoComplete="additional-name"
diff --git a/packages/react-strict-dom/tests/html/html-test.native.js b/packages/react-strict-dom/tests/html/html-test.native.js
index a23c8728..269f760e 100644
--- a/packages/react-strict-dom/tests/html/html-test.native.js
+++ b/packages/react-strict-dom/tests/html/html-test.native.js
@@ -392,6 +392,25 @@ describe('<html.*> (native polyfills)', () => {
         });
       });
 
+      test('"autoCapitalize" prop', () => {
+        [
+          // web only
+          'on',
+          'off',
+          // web & native
+          'none', // used instead of 'off'
+          'sentences', // used instead of 'on'
+          'words',
+          'characters'
+        ].forEach((autoCapitalize) => {
+          let root;
+          act(() => {
+            root = create(<html.input autoCapitalize={autoCapitalize} />);
+          });
+          expect(root.toJSON()).toMatchSnapshot(`"${autoCapitalize}"`);
+        });
+      });
+
       test('"disabled" prop', () => {
         let root;
         act(() => {

From 0a2c97ea0181a7afc1685ed4df081a68c254b115 Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Wed, 10 Dec 2025 08:51:07 +0000
Subject: [PATCH 02/12] align types for global autoCapitalize prop

---
 .../react-strict-dom/src/types/StrictReactDOMProps.js    | 1 +
 packages/react-strict-dom/src/types/renderer.native.js   | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/packages/react-strict-dom/src/types/StrictReactDOMProps.js b/packages/react-strict-dom/src/types/StrictReactDOMProps.js
index 4428a22f..e3c9759c 100644
--- a/packages/react-strict-dom/src/types/StrictReactDOMProps.js
+++ b/packages/react-strict-dom/src/types/StrictReactDOMProps.js
@@ -281,6 +281,7 @@ export type StrictReactDOMProps = $ReadOnly<{
 
   // Other
   autoCapitalize?: ?(
+    | true
     | 'off'
     | 'none'
     | 'on'
diff --git a/packages/react-strict-dom/src/types/renderer.native.js b/packages/react-strict-dom/src/types/renderer.native.js
index 66e6b6a8..46cb794b 100644
--- a/packages/react-strict-dom/src/types/renderer.native.js
+++ b/packages/react-strict-dom/src/types/renderer.native.js
@@ -56,6 +56,15 @@ type ReactNativeProps = {
   },
   accessibilityViewIsModal?: ?boolean,
   autoComplete?: ?string,
+  autoCapitalize?: ?(
+    | true
+    | 'off'
+    | 'none'
+    | 'on'
+    | 'sentences'
+    | 'words'
+    | 'characters'
+  ),
   alt?: ?Stringish,
   animated?: ?boolean, // non-standard
   caretHidden?: TextInputProps['caretHidden'],

From 8f203c5eb0f6cb26eb43f74866a03516385cbaea Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Wed, 10 Dec 2025 08:51:54 +0000
Subject: [PATCH 03/12] map autoCapitalize to values in
 createStrictDOMTextInputComponent

---
 .../createStrictDOMTextInputComponent.js        | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js b/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js
index b95de51d..66f80eef 100644
--- a/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js
+++ b/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js
@@ -52,6 +52,7 @@ export function createStrictDOMTextInputComponent<P: StrictInputProps, T>(
     const elementRef = useStrictDOMElement<T>(ref, { tagName });
 
     const {
+      autoCapitalize,
       autoComplete,
       defaultValue,
       disabled,
@@ -121,6 +122,22 @@ export function createStrictDOMTextInputComponent<P: StrictInputProps, T>(
 
     // Component-specific props
 
+    if (autoCapitalize != null) {
+      let _autoCapitalize;
+      switch (autoCapitalize) {
+        case 'on':
+        case true:
+          _autoCapitalize = 'sentences';
+          break;
+        case 'off':
+          _autoCapitalize = 'none';
+          break;
+        default:
+          _autoCapitalize = autoCapitalize;
+          break;
+      }
+      nativeProps.autoCapitalize = _autoCapitalize;
+    }
     if (autoComplete != null) {
       nativeProps.autoComplete = autoComplete;
     }

From eda6c0e97bc5908672090453d487c8826d844df0 Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Wed, 10 Dec 2025 08:52:27 +0000
Subject: [PATCH 04/12] update snapshots for 'global' input & textarea

---
 .../tests/html/__snapshots__/html-test.js.snap-native           | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-native b/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-native
index aade6bb4..ee13ed6c 100644
--- a/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-native
+++ b/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-native
@@ -3204,6 +3204,7 @@ exports[`<html.*> "input" supports global attributes 1`] = `
     }
   }
   accessibilityViewIsModal={true}
+  autoCapitalize="sentences"
   enterKeyHint="go"
   focusable={true}
   importantForAccessibility="no-hide-descendants"
@@ -5491,6 +5492,7 @@ exports[`<html.*> "textarea" supports global attributes 1`] = `
     }
   }
   accessibilityViewIsModal={true}
+  autoCapitalize="sentences"
   enterKeyHint="go"
   focusable={true}
   importantForAccessibility="no-hide-descendants"

From b0ab666499ca7a424d989afb4f5623b06f07bda7 Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Fri, 12 Dec 2025 08:09:03 +0000
Subject: [PATCH 05/12] fix tests after rebase

---
 .../tests/html/__snapshots__/html-test.native.js.snap       | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap b/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap
index 8f1b2889..fd5821d8 100644
--- a/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap
+++ b/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap
@@ -250,6 +250,7 @@ exports[`<html.*> (native polyfills) polyfills: props <img> "srcSet" prop with l
 exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "characters" 1`] = `
 <TextInput
   autoCapitalize="characters"
+  onSelectionChange={[Function]}
   ref={[Function]}
   style={
     {
@@ -264,6 +265,7 @@ exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" p
 exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "none" 1`] = `
 <TextInput
   autoCapitalize="none"
+  onSelectionChange={[Function]}
   ref={[Function]}
   style={
     {
@@ -278,6 +280,7 @@ exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" p
 exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "off" 1`] = `
 <TextInput
   autoCapitalize="none"
+  onSelectionChange={[Function]}
   ref={[Function]}
   style={
     {
@@ -292,6 +295,7 @@ exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" p
 exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "on" 1`] = `
 <TextInput
   autoCapitalize="sentences"
+  onSelectionChange={[Function]}
   ref={[Function]}
   style={
     {
@@ -306,6 +310,7 @@ exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" p
 exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "sentences" 1`] = `
 <TextInput
   autoCapitalize="sentences"
+  onSelectionChange={[Function]}
   ref={[Function]}
   style={
     {
@@ -320,6 +325,7 @@ exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" p
 exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "words" 1`] = `
 <TextInput
   autoCapitalize="words"
+  onSelectionChange={[Function]}
   ref={[Function]}
   style={
     {

From 612f80d253b380a637c23a628c2be6bccec65201 Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Fri, 12 Dec 2025 08:20:23 +0000
Subject: [PATCH 06/12] fix web test & snaps for autoCapitalize

---
 .../html/__snapshots__/html-test.js.snap-web  | 96 +++++++++----------
 .../react-strict-dom/tests/html/html-test.js  |  2 +-
 2 files changed, 49 insertions(+), 49 deletions(-)

diff --git a/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-web b/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-web
index e708843e..2e371f08 100644
--- a/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-web
+++ b/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-web
@@ -72,7 +72,7 @@ exports[`<html.*> "a" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-a x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -206,7 +206,7 @@ exports[`<html.*> "article" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-article x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -340,7 +340,7 @@ exports[`<html.*> "aside" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-aside x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -474,7 +474,7 @@ exports[`<html.*> "b" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-b x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -608,7 +608,7 @@ exports[`<html.*> "bdi" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-bdi x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -742,7 +742,7 @@ exports[`<html.*> "bdo" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-bdo x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -876,7 +876,7 @@ exports[`<html.*> "blockquote" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-blockquote x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -1010,7 +1010,7 @@ exports[`<html.*> "br" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-br"
   data-testid="some-test-id"
@@ -1154,7 +1154,7 @@ exports[`<html.*> "button" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-button x1y0btm7 x1ghz6dp x1717udv xmkeg23"
   data-testid="some-test-id"
@@ -1290,7 +1290,7 @@ exports[`<html.*> "code" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-code x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs x1lxnp44 xrv4cvt xysyzu8"
   data-testid="some-test-id"
@@ -1424,7 +1424,7 @@ exports[`<html.*> "del" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-del"
   data-testid="some-test-id"
@@ -1558,7 +1558,7 @@ exports[`<html.*> "div" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-div x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -1692,7 +1692,7 @@ exports[`<html.*> "em" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-em x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -1826,7 +1826,7 @@ exports[`<html.*> "fieldset" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-fieldset x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -1960,7 +1960,7 @@ exports[`<html.*> "footer" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-footer x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -2094,7 +2094,7 @@ exports[`<html.*> "form" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-form x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -2228,7 +2228,7 @@ exports[`<html.*> "h1" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-h1 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -2362,7 +2362,7 @@ exports[`<html.*> "h2" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-h2 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -2496,7 +2496,7 @@ exports[`<html.*> "h3" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-h3 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -2630,7 +2630,7 @@ exports[`<html.*> "h4" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-h4 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -2764,7 +2764,7 @@ exports[`<html.*> "h5" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-h5 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -2898,7 +2898,7 @@ exports[`<html.*> "h6" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-h6 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -3032,7 +3032,7 @@ exports[`<html.*> "header" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-header x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -3166,7 +3166,7 @@ exports[`<html.*> "hr" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-hr x1ghz6dp x1717udv x42x0ya xng3xce xc342km x9f619 xjm9jq1"
   data-testid="some-test-id"
@@ -3300,7 +3300,7 @@ exports[`<html.*> "i" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-i x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -3452,7 +3452,7 @@ exports[`<html.*> "img" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-img xuw900x xt7dq6l x193iq5w"
   data-testid="some-test-id"
@@ -3617,7 +3617,7 @@ exports[`<html.*> "input" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-input x1ghz6dp x1717udv xmkeg23 x1y0btm7"
   data-testid="some-test-id"
@@ -3752,7 +3752,7 @@ exports[`<html.*> "ins" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-ins"
   data-testid="some-test-id"
@@ -3886,7 +3886,7 @@ exports[`<html.*> "kbd" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-kbd"
   data-testid="some-test-id"
@@ -4027,7 +4027,7 @@ exports[`<html.*> "label" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-label x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -4167,7 +4167,7 @@ exports[`<html.*> "main" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-main x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -4301,7 +4301,7 @@ exports[`<html.*> "mark" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-mark x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -4435,7 +4435,7 @@ exports[`<html.*> "nav" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-nav x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -4569,7 +4569,7 @@ exports[`<html.*> "ol" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-ol xe8uvvx x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -4709,7 +4709,7 @@ exports[`<html.*> "optgroup" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-optgroup"
   data-testid="some-test-id"
@@ -4843,7 +4843,7 @@ exports[`<html.*> "option" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-option"
   data-testid="some-test-id"
@@ -4986,7 +4986,7 @@ exports[`<html.*> "p" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-p x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -5120,7 +5120,7 @@ exports[`<html.*> "pre" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-pre x1ghz6dp x1717udv x1lxnp44 xrv4cvt xysyzu8"
   data-testid="some-test-id"
@@ -5254,7 +5254,7 @@ exports[`<html.*> "s" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-s"
   data-testid="some-test-id"
@@ -5388,7 +5388,7 @@ exports[`<html.*> "section" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-section x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -5540,7 +5540,7 @@ exports[`<html.*> "select" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-select x1y0btm7 x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -5674,7 +5674,7 @@ exports[`<html.*> "span" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-span x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -5808,7 +5808,7 @@ exports[`<html.*> "strong" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-strong x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs x117nqv4"
   data-testid="some-test-id"
@@ -5942,7 +5942,7 @@ exports[`<html.*> "sub" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-sub x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -6076,7 +6076,7 @@ exports[`<html.*> "sup" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-sup x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -6235,7 +6235,7 @@ exports[`<html.*> "textarea" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-textarea x1ghz6dp x1717udv xmkeg23 x1y0btm7 x288g5"
   data-testid="some-test-id"
@@ -6370,7 +6370,7 @@ exports[`<html.*> "u" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-u"
   data-testid="some-test-id"
@@ -6504,7 +6504,7 @@ exports[`<html.*> "ul" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize={true}
+  autoCapitalize="on"
   autoFocus={true}
   className="html-ul xe8uvvx x1ghz6dp x1717udv"
   data-testid="some-test-id"
diff --git a/packages/react-strict-dom/tests/html/html-test.js b/packages/react-strict-dom/tests/html/html-test.js
index dd61e9d2..f9840592 100644
--- a/packages/react-strict-dom/tests/html/html-test.js
+++ b/packages/react-strict-dom/tests/html/html-test.js
@@ -110,7 +110,7 @@ const globalAttributes = {
   'aria-valuemin': 0,
   'aria-valuenow': 5,
   'aria-valuetext': 'Five',
-  autoCapitalize: true,
+  autoCapitalize: 'on',
   autoFocus: true,
   children: 'children',
   'data-testid': 'some-test-id',

From b30428a2187c796abd538997dce0e8f7b9df1617 Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Fri, 12 Dec 2025 08:21:47 +0000
Subject: [PATCH 07/12] remove 'case true' for native handler

---
 .../src/native/modules/createStrictDOMTextInputComponent.js      | 1 -
 1 file changed, 1 deletion(-)

diff --git a/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js b/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js
index 66f80eef..935febfb 100644
--- a/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js
+++ b/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js
@@ -126,7 +126,6 @@ export function createStrictDOMTextInputComponent<P: StrictInputProps, T>(
       let _autoCapitalize;
       switch (autoCapitalize) {
         case 'on':
-        case true:
           _autoCapitalize = 'sentences';
           break;
         case 'off':

From c903919d0d135d659b3ee29fc9f8178f3ca6ed8d Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Fri, 12 Dec 2025 08:28:47 +0000
Subject: [PATCH 08/12] align types (remove on & off)

---
 .../react-strict-dom/src/types/StrictReactDOMProps.js  | 10 +---------
 packages/react-strict-dom/src/types/renderer.native.js | 10 +---------
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/packages/react-strict-dom/src/types/StrictReactDOMProps.js b/packages/react-strict-dom/src/types/StrictReactDOMProps.js
index e3c9759c..351cc67f 100644
--- a/packages/react-strict-dom/src/types/StrictReactDOMProps.js
+++ b/packages/react-strict-dom/src/types/StrictReactDOMProps.js
@@ -280,15 +280,7 @@ export type StrictReactDOMProps = $ReadOnly<{
   onTouchMove?: $FlowFixMe, // TEMP
 
   // Other
-  autoCapitalize?: ?(
-    | true
-    | 'off'
-    | 'none'
-    | 'on'
-    | 'sentences'
-    | 'words'
-    | 'characters'
-  ),
+  autoCapitalize?: ?('none' | 'sentences' | 'words' | 'characters'),
   autoFocus?: ?boolean,
   children?: React.Node,
   'data-layoutconformance'?: ?('classic' | 'strict'),
diff --git a/packages/react-strict-dom/src/types/renderer.native.js b/packages/react-strict-dom/src/types/renderer.native.js
index 46cb794b..f5221f6a 100644
--- a/packages/react-strict-dom/src/types/renderer.native.js
+++ b/packages/react-strict-dom/src/types/renderer.native.js
@@ -56,15 +56,7 @@ type ReactNativeProps = {
   },
   accessibilityViewIsModal?: ?boolean,
   autoComplete?: ?string,
-  autoCapitalize?: ?(
-    | true
-    | 'off'
-    | 'none'
-    | 'on'
-    | 'sentences'
-    | 'words'
-    | 'characters'
-  ),
+  autoCapitalize?: ?('none' | 'sentences' | 'words' | 'characters'),
   alt?: ?Stringish,
   animated?: ?boolean, // non-standard
   caretHidden?: TextInputProps['caretHidden'],

From 9f493a34f315671c69740de69b33e867c7bef7b0 Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Fri, 12 Dec 2025 08:32:07 +0000
Subject: [PATCH 09/12] use 'sentences' in web tests

---
 .../html/__snapshots__/html-test.js.snap-web  | 96 +++++++++----------
 .../react-strict-dom/tests/html/html-test.js  |  2 +-
 2 files changed, 49 insertions(+), 49 deletions(-)

diff --git a/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-web b/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-web
index 2e371f08..8ff66082 100644
--- a/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-web
+++ b/packages/react-strict-dom/tests/html/__snapshots__/html-test.js.snap-web
@@ -72,7 +72,7 @@ exports[`<html.*> "a" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-a x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -206,7 +206,7 @@ exports[`<html.*> "article" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-article x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -340,7 +340,7 @@ exports[`<html.*> "aside" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-aside x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -474,7 +474,7 @@ exports[`<html.*> "b" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-b x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -608,7 +608,7 @@ exports[`<html.*> "bdi" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-bdi x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -742,7 +742,7 @@ exports[`<html.*> "bdo" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-bdo x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -876,7 +876,7 @@ exports[`<html.*> "blockquote" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-blockquote x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -1010,7 +1010,7 @@ exports[`<html.*> "br" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-br"
   data-testid="some-test-id"
@@ -1154,7 +1154,7 @@ exports[`<html.*> "button" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-button x1y0btm7 x1ghz6dp x1717udv xmkeg23"
   data-testid="some-test-id"
@@ -1290,7 +1290,7 @@ exports[`<html.*> "code" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-code x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs x1lxnp44 xrv4cvt xysyzu8"
   data-testid="some-test-id"
@@ -1424,7 +1424,7 @@ exports[`<html.*> "del" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-del"
   data-testid="some-test-id"
@@ -1558,7 +1558,7 @@ exports[`<html.*> "div" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-div x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -1692,7 +1692,7 @@ exports[`<html.*> "em" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-em x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -1826,7 +1826,7 @@ exports[`<html.*> "fieldset" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-fieldset x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -1960,7 +1960,7 @@ exports[`<html.*> "footer" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-footer x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -2094,7 +2094,7 @@ exports[`<html.*> "form" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-form x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -2228,7 +2228,7 @@ exports[`<html.*> "h1" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-h1 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -2362,7 +2362,7 @@ exports[`<html.*> "h2" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-h2 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -2496,7 +2496,7 @@ exports[`<html.*> "h3" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-h3 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -2630,7 +2630,7 @@ exports[`<html.*> "h4" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-h4 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -2764,7 +2764,7 @@ exports[`<html.*> "h5" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-h5 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -2898,7 +2898,7 @@ exports[`<html.*> "h6" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-h6 x1ghz6dp x1717udv xngnso2 x1vvkbs"
   data-testid="some-test-id"
@@ -3032,7 +3032,7 @@ exports[`<html.*> "header" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-header x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -3166,7 +3166,7 @@ exports[`<html.*> "hr" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-hr x1ghz6dp x1717udv x42x0ya xng3xce xc342km x9f619 xjm9jq1"
   data-testid="some-test-id"
@@ -3300,7 +3300,7 @@ exports[`<html.*> "i" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-i x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -3452,7 +3452,7 @@ exports[`<html.*> "img" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-img xuw900x xt7dq6l x193iq5w"
   data-testid="some-test-id"
@@ -3617,7 +3617,7 @@ exports[`<html.*> "input" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-input x1ghz6dp x1717udv xmkeg23 x1y0btm7"
   data-testid="some-test-id"
@@ -3752,7 +3752,7 @@ exports[`<html.*> "ins" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-ins"
   data-testid="some-test-id"
@@ -3886,7 +3886,7 @@ exports[`<html.*> "kbd" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-kbd"
   data-testid="some-test-id"
@@ -4027,7 +4027,7 @@ exports[`<html.*> "label" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-label x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -4167,7 +4167,7 @@ exports[`<html.*> "main" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-main x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -4301,7 +4301,7 @@ exports[`<html.*> "mark" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-mark x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -4435,7 +4435,7 @@ exports[`<html.*> "nav" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-nav x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -4569,7 +4569,7 @@ exports[`<html.*> "ol" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-ol xe8uvvx x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -4709,7 +4709,7 @@ exports[`<html.*> "optgroup" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-optgroup"
   data-testid="some-test-id"
@@ -4843,7 +4843,7 @@ exports[`<html.*> "option" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-option"
   data-testid="some-test-id"
@@ -4986,7 +4986,7 @@ exports[`<html.*> "p" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-p x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -5120,7 +5120,7 @@ exports[`<html.*> "pre" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-pre x1ghz6dp x1717udv x1lxnp44 xrv4cvt xysyzu8"
   data-testid="some-test-id"
@@ -5254,7 +5254,7 @@ exports[`<html.*> "s" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-s"
   data-testid="some-test-id"
@@ -5388,7 +5388,7 @@ exports[`<html.*> "section" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-section x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -5540,7 +5540,7 @@ exports[`<html.*> "select" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-select x1y0btm7 x1ghz6dp x1717udv"
   data-testid="some-test-id"
@@ -5674,7 +5674,7 @@ exports[`<html.*> "span" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-span x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -5808,7 +5808,7 @@ exports[`<html.*> "strong" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-strong x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs x117nqv4"
   data-testid="some-test-id"
@@ -5942,7 +5942,7 @@ exports[`<html.*> "sub" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-sub x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -6076,7 +6076,7 @@ exports[`<html.*> "sup" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-sup x1ghz6dp x1717udv x1hl2dhg x16tdsg8 x1vvkbs"
   data-testid="some-test-id"
@@ -6235,7 +6235,7 @@ exports[`<html.*> "textarea" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-textarea x1ghz6dp x1717udv xmkeg23 x1y0btm7 x288g5"
   data-testid="some-test-id"
@@ -6370,7 +6370,7 @@ exports[`<html.*> "u" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-u"
   data-testid="some-test-id"
@@ -6504,7 +6504,7 @@ exports[`<html.*> "ul" supports global attributes 1`] = `
   aria-valuemin={0}
   aria-valuenow={5}
   aria-valuetext="Five"
-  autoCapitalize="on"
+  autoCapitalize="sentences"
   autoFocus={true}
   className="html-ul xe8uvvx x1ghz6dp x1717udv"
   data-testid="some-test-id"
diff --git a/packages/react-strict-dom/tests/html/html-test.js b/packages/react-strict-dom/tests/html/html-test.js
index f9840592..c5697234 100644
--- a/packages/react-strict-dom/tests/html/html-test.js
+++ b/packages/react-strict-dom/tests/html/html-test.js
@@ -110,7 +110,7 @@ const globalAttributes = {
   'aria-valuemin': 0,
   'aria-valuenow': 5,
   'aria-valuetext': 'Five',
-  autoCapitalize: 'on',
+  autoCapitalize: 'sentences',
   autoFocus: true,
   children: 'children',
   'data-testid': 'some-test-id',

From a1d6cd58d470d6cee48ab1bea86cbb0af60cffeb Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Fri, 12 Dec 2025 08:32:48 +0000
Subject: [PATCH 10/12] remove on & off in native tests

---
 .../__snapshots__/html-test.native.js.snap    | 30 -------------------
 .../tests/html/html-test.native.js            | 25 ++++++----------
 2 files changed, 9 insertions(+), 46 deletions(-)

diff --git a/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap b/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap
index fd5821d8..d18543b2 100644
--- a/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap
+++ b/packages/react-strict-dom/tests/html/__snapshots__/html-test.native.js.snap
@@ -277,36 +277,6 @@ exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" p
 />
 `;
 
-exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "off" 1`] = `
-<TextInput
-  autoCapitalize="none"
-  onSelectionChange={[Function]}
-  ref={[Function]}
-  style={
-    {
-      "borderWidth": 1,
-      "boxSizing": "content-box",
-      "position": "static",
-    }
-  }
-/>
-`;
-
-exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "on" 1`] = `
-<TextInput
-  autoCapitalize="sentences"
-  onSelectionChange={[Function]}
-  ref={[Function]}
-  style={
-    {
-      "borderWidth": 1,
-      "boxSizing": "content-box",
-      "position": "static",
-    }
-  }
-/>
-`;
-
 exports[`<html.*> (native polyfills) polyfills: props <input> "autoCapitalize" prop: "sentences" 1`] = `
 <TextInput
   autoCapitalize="sentences"
diff --git a/packages/react-strict-dom/tests/html/html-test.native.js b/packages/react-strict-dom/tests/html/html-test.native.js
index 269f760e..21981bc3 100644
--- a/packages/react-strict-dom/tests/html/html-test.native.js
+++ b/packages/react-strict-dom/tests/html/html-test.native.js
@@ -393,22 +393,15 @@ describe('<html.*> (native polyfills)', () => {
       });
 
       test('"autoCapitalize" prop', () => {
-        [
-          // web only
-          'on',
-          'off',
-          // web & native
-          'none', // used instead of 'off'
-          'sentences', // used instead of 'on'
-          'words',
-          'characters'
-        ].forEach((autoCapitalize) => {
-          let root;
-          act(() => {
-            root = create(<html.input autoCapitalize={autoCapitalize} />);
-          });
-          expect(root.toJSON()).toMatchSnapshot(`"${autoCapitalize}"`);
-        });
+        ['none', 'sentences', 'words', 'characters'].forEach(
+          (autoCapitalize) => {
+            let root;
+            act(() => {
+              root = create(<html.input autoCapitalize={autoCapitalize} />);
+            });
+            expect(root.toJSON()).toMatchSnapshot(`"${autoCapitalize}"`);
+          }
+        );
       });
 
       test('"disabled" prop', () => {

From 16020fb773b859debe4526f2d89a3c4b9a013d1c Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Fri, 12 Dec 2025 08:33:04 +0000
Subject: [PATCH 11/12] clean up autoCapitalize native implementation

---
 .../modules/createStrictDOMTextInputComponent.js   | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js b/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js
index 935febfb..794ff933 100644
--- a/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js
+++ b/packages/react-strict-dom/src/native/modules/createStrictDOMTextInputComponent.js
@@ -123,19 +123,7 @@ export function createStrictDOMTextInputComponent<P: StrictInputProps, T>(
     // Component-specific props
 
     if (autoCapitalize != null) {
-      let _autoCapitalize;
-      switch (autoCapitalize) {
-        case 'on':
-          _autoCapitalize = 'sentences';
-          break;
-        case 'off':
-          _autoCapitalize = 'none';
-          break;
-        default:
-          _autoCapitalize = autoCapitalize;
-          break;
-      }
-      nativeProps.autoCapitalize = _autoCapitalize;
+      nativeProps.autoCapitalize = autoCapitalize;
     }
     if (autoComplete != null) {
       nativeProps.autoComplete = autoComplete;

From 90b7e8bc344ddabb24997251c15b99f43d0342bc Mon Sep 17 00:00:00 2001
From: Willem Labuschagne <willem.labuschagne@oaknorth.co.uk>
Date: Fri, 12 Dec 2025 08:41:25 +0000
Subject: [PATCH 12/12] nit: alphabetise prop order

---
 packages/react-strict-dom/src/types/renderer.native.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/react-strict-dom/src/types/renderer.native.js b/packages/react-strict-dom/src/types/renderer.native.js
index f5221f6a..8254fc93 100644
--- a/packages/react-strict-dom/src/types/renderer.native.js
+++ b/packages/react-strict-dom/src/types/renderer.native.js
@@ -55,8 +55,8 @@ type ReactNativeProps = {
     text?: ?string
   },
   accessibilityViewIsModal?: ?boolean,
-  autoComplete?: ?string,
   autoCapitalize?: ?('none' | 'sentences' | 'words' | 'characters'),
+  autoComplete?: ?string,
   alt?: ?Stringish,
   animated?: ?boolean, // non-standard
   caretHidden?: TextInputProps['caretHidden'],