Explore the critical importance of upstream accessibility in open-source frameworks and its impact on web accessibility for people with disabilities in this 46-minute conference talk from linux.conf.au 2022. Learn about the barriers that contribute to high inaccessibility rates in public websites and understand the differences between remediating accessibility issues in personal code versus open-source projects. Discover how to identify and fix upstream accessibility problems, address common concerns from open-source maintainers, and implement effective testing methods to ensure usability for individuals with disabilities. Gain insights into the ethos of accessible development, continuous accessibility practices, and the role of FOSS maintainers in creating a more inclusive digital landscape.