feat: react native 0.88 RC1 (react 19.3) (#1936)

Author: mdjastrzebski

.github/workflows/ci.yml

@@ -65,6 +65,25 @@ jobs:
       - name: Validate website docs
         run: yarn --cwd website validate
 
+  typecheck-rn-0-88:
+    runs-on: ubuntu-latest
+    name: Typecheck → RN 0.88
+    steps:
+      - name: Checkout
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+
+      - name: Setup Node.js and deps
+        uses: ./.github/actions/setup-deps
+        with:
+          react-version: 19.3.0
+          react-native-version: ~0.88.0-rc.1
+
+      - name: Typecheck
+        run: yarn typecheck
+
+      - name: Typecheck React 19.2-only tests
+        run: yarn typecheck:react-19_2
+
   typecheck-rn-0-87:
     runs-on: ubuntu-latest
     name: Typecheck → RN 0.87
@@ -310,6 +329,23 @@ jobs:
       - name: Test
         run: yarn test:codemods
 
+  test-rn-0-88:
+    runs-on: ubuntu-latest
+    name: Test → RN 0.88
+    steps:
+      - name: Checkout
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+
+      - name: Setup Node.js and deps
+        uses: ./.github/actions/setup-deps
+        with:
+          react-version: 19.3.0
+          react-native-version: ~0.88.0-rc.1
+          test-renderer-version: ~1.3.0
+
+      - name: Test
+        run: yarn test:ci
+
   test-rn-0-87:
     runs-on: ubuntu-latest
     name: Test → RN 0.87

.github/workflows/nightly.yaml

@@ -81,6 +81,7 @@ jobs:
       matrix:
         rn-lane:
           [
+            '0.88',
             '0.87',
             '0.86',
             '0.85',
@@ -95,8 +96,12 @@ jobs:
             next,
             nightly,
           ]
-        test-renderer-version: ['~1.0', '~1.1', '~1.2']
+        test-renderer-version: ['~1.0', '~1.1', '~1.2', '~1.3']
         include:
+          - rn-lane: '0.88'
+            setup-kind: stable
+            react-version: '19.3.0'
+            react-native-version: '~0.88.0-rc.1'
           - rn-lane: '0.87'
             setup-kind: stable
             react-version: '19.2.3'

package.json

@@ -82,23 +82,23 @@
     "@callstack/eslint-config": "^15.0.0",
     "@eslint/compat": "^2.1.0",
     "@eslint/js": "^10.0.1",
-    "@react-native/babel-preset": "0.85.3",
-    "@react-native/jest-preset": "0.85.3",
+    "@react-native/babel-preset": "0.88.0-rc.1",
+    "@react-native/jest-preset": "0.88.0-rc.1",
     "@release-it/conventional-changelog": "^11.0.0",
     "@relmify/jest-serializer-strip-ansi": "^1.0.2",
     "@types/jest": "^30.0.0",
     "@types/node": "^24.12.4",
-    "@types/react": "^19.2.15",
+    "@types/react": "^19.3.0",
     "babel-jest": "^30.4.1",
     "babel-plugin-module-resolver": "^5.0.3",
     "del-cli": "^7.0.0",
     "eslint": "^10.4.0",
     "jest": "^30.4.2",
     "oxfmt": "^0.52.0",
-    "react": "19.2.3",
-    "react-native": "0.85.3",
+    "react": "19.3.0",
+    "react-native": "0.88.0-rc.1",
     "release-it": "^20.0.1",
-    "test-renderer": "1.2.0",
+    "test-renderer": "1.3.0",
     "tsx": "^4.22.3",
     "typescript": "^6.0.3",
     "typescript-eslint": "^8.60.0"