Thunderbird users, you may be in for some rather unpleasant news.

The email client’s parent company, Mozilla wants to break away from its roots.

According to the company’s Chairperson, Mitchell Baker, the move is being thought about, in a bid to focus on its main product, the popular web browser, Firefox.

Mozilla first launched the email app, about 11 years ago. Techcrunch notes that Mozilla stopped work on Thunderbird three years ago, and only kept the email app updated with security patches and bug fixes.

Baker writes in a open letter posted at the Mozilla greivance forums stating,

“I believe Thunderbird should would thrive [...]