'We've discovered a long list of third-party Windows applications that use the ability to snoop on user activity,' said Jim Mathies, Software Development Manager at Mozilla. 'We will eliminate this by creating better communication when this feature is active.' 'A new item in Privacy settings setting and a11y active status display brings 1 button to turn off the feature. go'.
In addition, Mozilla engineers added a new section on the about: support page called Accessibility. If this feature is enabled, this item will list the current applications that are using that feature.
This allows users to detect bad apps, use this feature to spy on users and collect data.
Accessibility item is added to about: support page
Firefox 57 is expected to be a breakthrough. It will be the first Firefox version to support the new WebExtensions add-on system, meaning that the old Firefox add-ons built on the XML-based Add-Ons API will no longer work.
You can try most of the changes on Firefox 57, including how to protect Accessibility via Firefox Nightly.