Acer Answers

What will happen if you change from stable to a beta or Dev channel

What will happen if I change my Chromebook to a stable, beta, or dev channel?

Your Chromebook will erase local data if you change your Chromebook channel to a more stable release.

Changing from Dev to Beta will erase local data.
Changing from Beta to Stable will erase local data.

Your local data will not be erased if you change your Chromebook channel to a less stable release.

Changing from Stable to Beta will not erase local data.
Changing from Beta to Dev will not erase local data.