beta
Both WebKit (the rendering engine of Safari) and Firefox offer nightly builds, and even the commercial Opera browser has weekly builds available. These regular releases make it much quicker for bug fixes to get into developers' hands, making it easier for them to update their sites now rather than having to wait months between betas.
寄せられたフィードバックを開発へ有効に還元するには、それ相応の体制が必要です。