Update, June 11 2026, 3.45 GMT: Following our article, Opera reached out to Neowin clarifying that the browser maker still has every intention to support MV2 extensions as its "position is unchanged" for now. The company also reiterated this in a blog post titled " Yes, you can still use MV2 extensions on Opera..." that was published in September 2025, after the supposed mail was sent out to developers regarding the possible drop of MV2 support.
