Article from privacy researcher Mike Kuketz covering some of this:
https://kuketz-blog.de/e-datenschutzfreundlich-bedeutet-nicht-zwangslaeufig-sicher-custom-roms-teil6/
Info from the founder of the Divested projects:
Issues with /e/: https://codeberg.org/divested-mobile/divestos-website/raw/commit/c7447de50bc8fadd20a30d4cbf1dcd8cf14805a0/static/misc/e.txt
ASB update history: https://web.archive.org/web/20241231003546/https://divestos.org/pages/patch_history
Chromium update history: https://web.archive.org/web/20250119212018/https://divestos.org/misc/ch-dates.txt
Chromium update summary: https://infosec.exchange/@divested/112815308307602739
Apple/Google both provide support for offline speech-to-text using local models. Offline is the default for iOS. Compare to https://community.e.foundation/t/voice-to-text-feature-using-open-ai/70509.
