Google Web Designer's Code view lets you create CSS, JavaScript, and XML files, using syntax highlighting and code autocompletion to make your code easier to write, with fewer errors.

Nonetheless, Google has decided to retire Gmail's HTML view without providing specific reasons. "Basic HTML view will be supported until early January 2024.

Google has quietly announced that it will pull the plug on the basic HTML version of Gmail starting in 2024. We’re writing to let you know that the Gmail Basic HTML view for desktop web and ...

Google updated a Gmail support article to say that the basic HTML view for Gmail will be discontinued in January 2024.