Gmail UI update is a productivity chrome extension. it's a free extension , it has 32 active users since released its first version, it earns an average rating of 0.00 from 0 rated user, last update is 3494 days ago.
When using the multiple inboxes gmail lab plugin, the action bar is not always reachable. This plugin fixes it by making it move to the top or the bottom depending on what's the most convenient. See more: https://github.com/tmichelet/gmail-helper
You could download the latest version crx file or older version files and install it.
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You could find more help information from gmail ui update support page.
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