According to the search results, the latest version of GBWhatsApp is the October 2023 version. It is available for download from various websites, including gbapps.net, gbwhats.app, aeroapp.net, androidwaves.com, and gbwhatsapp.download. The exact version number may vary depending on the website, but it is generally referred to as the "latest version" or "updated version" of GBWhatsApp.