No such module 'React' when newly integrating into an existing app (0.63.2)

Description

Integrating React Native 0.63.2 into an existing Swift-based project does not compile with the following error on Xcode: No such module 'React'

Note: A full-example RN project is included in this ticket

React Native version:

System:
    OS: macOS 10.15.6
    CPU: (8) x64 Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
    Memory: 142.84 MB / 16.00 GB
    Shell: 3.2.57 - /bin/bash
  Binaries:
    Node: 14.5.0 - /usr/local/bin/node
    Yarn: 1.22.4 - /usr/local/bin/yarn
    npm: 6.14.5 - /usr/local/bin/npm
    Watchman: 4.9.0 - /usr/local/bin/watchman
  Managers:
    CocoaPods: 1.9.3 - /usr/local/bin/pod
  SDKs:
    iOS SDK:
      Platforms: iOS 13.6, DriverKit 19.0, macOS 10.15, tvOS 13.4, watchOS 6.2
    Android SDK:
      API Levels: 25, 27, 28
      Build Tools: 27.0.3, 28.0.0, 28.0.3
      System Images: android-28 | Google APIs Intel x86 Atom, android-28 | Google Play Intel x86 Atom
      Android NDK: Not Found
  IDEs:
    Android Studio: 3.6 AI-192.7142.36.36.6392135
    Xcode: 11.6/11E708 - /usr/bin/xcodebuild
  Languages:
    Java: 1.8.0_251 - /usr/bin/javac
    Python: 2.7.17 - /usr/local/bin/python
  npmPackages:
    @react-native-community/cli: Not Found
    react: 16.13.1 => 16.13.1 
    react-native: ^0.63.2 => 0.63.2 
  npmGlobalPackages:
    *react-native*: Not Found

Steps To Reproduce

1. Create a new Storyboard-based Xcode project
2. Follow the steps described here: https://reactnative.dev/docs/integration-with-existing-apps
3. Update the Podfile to follow the format of the latest, as described here: https://github.com/facebook/react-native/blob/v0.63.2/template/ios/Podfile
4. Podfile here: https://github.com/algera/rnproject-error/blob/master/ios/Podfile
5. Run pod install -> Completes successfully
6. Open Xcode and build the project

Expected Results

Expect Xcode project to compile, link and build correctly.

Actual Results

Snack, code example, screenshot, or link to a repository:

Full repository available here: https://github.com/algera/rnproject-error

Related

https://github.com/facebook/react-native/issues/26256

[chatarveer]

#import <React/RCTRootView.h>

What about Swift?

[algera]

Closing as React Native version 0.63.3 has addressed this issue and is currently available in production. import React is again available.