You can try it in a new project as follows:

npx react-native@next init RN075 --version next

Hermes dSYMS:

• Debug
• Release

You can file issues or pick requests against this release here

To help you upgrade to this version, you can use the upgrade helper ⚛️

You can find the whole changelog history in the changelog.md file.

Please note that React Native 0.75.0-rc.0 and 0.75.0-rc.1 were published to NPM but due to issues with @react-native-community/cli and @react-native-community/template we don't consider them stable, hence they're not listed on GitHub