https://press.opera.com/2023/01/25/opera-gx-tiktok-sidebar/
Opera GX adds TikTok to the browser sidebar, making content discovery even easier - Opera Newsroom
Jan 25, 2023 - Opera GX is excited to announce the integration of TikTok into the sidebar.
opera gx addsbrowser sidebar
https://www.opera.com/zh-cn/gx/features/messenger
Messenger in GX | Messenger in your browser sidebar | Opera GX
当您浏览网页、玩游戏或处理日常事务时，Opera GX 中的 Messenger 可让您与他人保持密切联系。
browser sidebarmessengergx