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Firefox - Accessibility not Available During Multi-Process Support
Accessibility features are not yet fully supported in multiprocess Firefox. If the third-party software (screen readers, Windows touchscreen software or anti-spyware) requests access to Firefox's accessibility features, Firefox limits this access to web content to prevent stability issues. Restarting Firefox will change it back to single process mode and re-enable accessibility features automatically.
How to re-enable Firefox's accessibility features
- To fully enable accessibility features after having received a notification, restart Firefox. It will restart in single process mode.
- To force enable electrolysis for testing purposes, go to the about:config settings and set the browser.tabs.remote.force-enable preference to true. Recommended for advanced users only.
- Avoid running third-party software that requests accessibility features within Firefox.