Firefox has been trying to avoid restarting for a long time. With e10s, not-quite-silent updates that may longer be possible. Given that phone apps restart without warning, people may be more used to restarting. Having a better (easier, cleaner, quieter) restart and restore flow might simplify other technical choices.
Thus, is may be in our strategic interest to:
- Make restart less painful
- Assume restarts / restores happen