Rated 5 out of 5 stars

NOTICE: IF YOUR GMAIL MANAGER IS BROKEN:

Scroll down to "View Older Versions"

At the very top, you'll see a new version has been released, 0.5.7.5, and is listed as "experimental." Tick the checkbox and download the newest version and Gmail Mngr will again work fine.

I'm not the developer, so I don't know this for sure... but it looks to me like Gmail/Google changed their login procedure, and this new update fixes it.

I've downloaded and installed the newest version, and can confirm that it works perfectly again.

This is a wonderful extension... please don't downgrade its reputation with 1-star reviews for an easily fixable glitch.

This review is for a previous version of the add-on (0.5.7.5).  This user has other reviews of this add-on.