After adding close Window warning, Opera Software has integrated Yandex Zen news recommendation service into its browser Start Page in Opera 58 developer update and is enabled by default for Russian users.
Yandex Zen news on Opera Start Page
Personal news on the start page already shows relevant content for countries from different categories such as Arts, Business, Entertainment, Food, Health, Lifestyle etc. The Start page also seeks your permission to show personalized news to show better stories suited to your needs.

Opera has replaced previous news display mechanism with Yandex Zen, which is a personal, smart, news recommendation service that uses machine learning technology to show news based on user preferences and browsing history. Do note Yandex Zen news in Opera developer is enabled by default in Russia only, for now.
For uninitiated, Yandex Zen is from Yandex company in Russia, which created popular Yandex Search engine and Yandex browser. “Zen is a personal news recommendation provided by Yandex. It selects news, blog posts, and other online publications that may be interested to you. The selection is based on your browsing history and stated preferences”

Those who don’t want to see Zen news, can visit opera://flags/#yandex-zen-news and disable the feature, a restart of the browser is required to apply the changes.
You can download Opera developer 58.0.3134.0 from here.
After Netflix recommendations, Opera now throwing news ads on users face, what’s your take on this?