opera@beta

Install command: 
brew install --cask opera@beta

Name: Opera Beta

Web browser

https://www.opera.com/computer/beta

Cask JSON API: /api/cask/opera@beta.json

Cask code: opera@beta.rb on GitHub

Current version: 121.0.5600.20

Requirements: macOS >= 11

Analytics:

Installs (30 days)
opera@beta 5
Installs (90 days)
opera@beta 21
Installs (365 days)
opera@beta 94