"Chrome's Window Management API has been in development since 2018. It's 2026 and it still requires permissions, doesn't work in Firefox, and costs companies weeks of development time.
I've built a solution using 30-year-old APIs that works TODAY. No permissions. No vendor lock-in. 200 lines of code.
If Firefox ships this as a native feature tomorrow, you instantly become the preferred browser for:
While Chrome fumbles with their API, Firefox could OWN these markets."
https://github.com/forge-foundry-founder/Firefox-Multi-Monitor-Web-Browser-Wizard-Setup