Native Tab Grouping / More Customizable Tab bar

[Vinci480]

I'm personally a heavy tab user but have always wondered why there is almost no support for tab grouping or customization in the native tab bar in Firefox.

I think making it able to group like Google Chrome does for example or at least giving more access for extensions and add-ons would significantly improve the UI in that regard.

[FirefoxConnect]

After using tab groups for a bit longer,
1. I am ever more appreciative of the effort put by the Firefox team into this!
2. I have a few more comments:
- There is a bug: whenever I open a new tab at the end of a group, it is opened in the next group instead of the current one.
- It would be very nice if one could perform operations on groups: 1. move the group (and all of its tabs) around the tab bar, 2. extract the group (and its tabs) to a new window, 3. bookmark the group (and its tabs), 4. close all group tabs.
- It could be cool if one could associate groups with containers: whenever I open a new tab in a specific group, it should use a specific container.
- Another nice-to-have is the ability to create empty groups (currently, closing the last tab of a group causes the group to disappear).

[Var-Pro-12]

When is Firefox (across devices) going to bring "Tab Groups" in-built in 2025 as it is difficult to ditch Chrome esp., if it is related to work or research and similar tabs are opened up?

https://support.mozilla.org/en-US/questions/1476796#answer-1691390

[Crutishnyk]

I agree about the ability to move the tab groups around. Unfortunately, for now, it seems impossible to do