I have been using this for some months now and am very happy. I separate containers by work, client and personal and can continue working on all without having to jump windows or using profiles. I have found this to be more user friendly than profiles being used in other browsers.

Works great for keeping accounts separate. I use it for keeping my home and school accounts separate across services.

I'd love for a future update to include support for syncing containers over Firefox Sync (it's annoying to have to re-create my containers on each device I use).

Also, the current interface for opening a new container tab seems kind of clunky. Having to hold down the "+" button is unintuitive and takes too much time (what can I say, I'm impatient). I'd much prefer having multiple "+" icons next to each other for each tab. Perhaps color each button the same as the corresponding container to make it even more intuitive.

Save a lot of worry and cleaning history betweensites.

This is why I stick with Firefox.

Awesome add-on! Love it! Looking forward to "Replace a tab with a container tab" feature, and more shortcut support.

This such a great extension. I only wish I could "Replace a tab with a container tab" instead of reopening.

Works as intended. This makes trolling 100% easier. No longer do I need 7 different browsers to accomplish my tasks.

Great add-on, but I wish there was a way to store container settings across multiple devices. The lack of this feature is the only thing holding it back from a full 5/5.

a little suggestion:
if i place the toolbar button beside tabs (or the original new tab button), could it be aligned to the left?

I'm using it since many months now, and it made my life so easy. Don't have to open different browsers for multiple web based emails.

Works as designed.

New Features:
1. Bookmarks by containers - low priority
2. Save settings by containers - like when i apply charting settings on yahoo finance, and open another tab inside same container, those stock chart settings are gone and i have to reapply them.

It's great, but subdomains are still an issue, you basically must use 3rd party addons like Containerise if you want to manually add the URLs / use regex to make containers for specific subdomains, because that's not an option here.

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This need a better way to add sites to containers.