Big Sur running like a dream on my 2015 15" MBP. P.S. It's even more stable than Catalina :) : r/mac
Apple MacBook 12.1" Retina Gold intel® Core M 1.2GHz Early 2015 (Refurbished) macOS Big Sur - Smart Generation
Big Sur 11.1 reintroduces compatibility for 13-inch MacBook Pro Late 2 – Hoxton Macs
Should you upgrade to macOS 11 Big Sur?
Apple addresses macOS Big Sur upgrade issues impacting 2013 and 2014 MacBook Pro models | AppleInsider
Upgrading an early 2015 MacBook to Big Sur? | MacRumors Forums
How to Upgrade Your Mac to macOS Big Sur | PCMag
Apple MacBook Air Early-2015 13" Laptop | Revive IT
Apple Macbook (Early 2015) 8GB RAM 256GB SSD macOS BIG SUR 11.6 – Buy Used & Refurbished Laptops
MacBook Air (13-inch, Early 2015) – reBuyTech Technologies
Apple Macbook Air Early 2015 Big Sur Silver i5-5250u 1.6GHz 8GB 11.6" 128GB SSD | eBay
macOS Big Sur FAQ: All your questions answered
Apple MacBook Air A1466 13" Early 2015 Intel Core i5 1.6GHz 8GB RAM 128GB SSD Big Sur OS -ENGLISH U.K. KEYBOARD (Renewed) : Amazon.co.uk: Computers & Accessories
macOS Big Sur review: Entering the future of the Mac | Tom's Guide
macOS Big Sur: The MacStories Review - MacStories - Part 3
MacBook Air (13-inch, Early 2015) – reBuyTech Technologies
Apple MacBook Pro (Retina, 13-inch, Early 2015 Core i5 5257U) - Technical Specifications
macOS Big Sur 11.2 - List of Install & Upgrade Issues UPDATED!
Apple MacBook Air "Core i7" 2.2GHz 13" (Early 2015) BTO/CTO MJVE2LL/A – Coretek Computers
MacOS Big Sur On The Oldest MacBook Air! - YouTube
macOS Big Sur Slow or Laggy? 8 Tips to Help Speed Up the Mac Again | OSXDaily
macOS Big Sur 11.1 now available with App Store privacy labels - 9to5Mac