- Dark theme support. This came with a redesign of how group colours are displayed.
- Add option to set default group colour.
- Fix bug that didn't filter tabs when searching in Quick Switcher.
- Fix active tab not being set when sidebar is opened.
- Add ability to create and delete groups in about:addons
- Add option to enable or disable the Quick Switcher.
- Add an option to disable the active group badge text.
- Pinned tabs are no longer discarded on group switch.
- Further fixes to post-install process to prevent data loss.

Fixed a bug that caused crashes when used with multiple windows post-install.

- Add more keybindings to quickly switch through groups.
- Change fuzzy algorithm for matching tabs.
- FIx issue post-install that would cause ghost tabs (tabs without a group).

- Don't hide or discard tabs if we're switching to a pinned tab.
- Fix bug when creating tabs via Quick Group Switcher would not hide tabs.
- Change New Group icon to have a + to better represent creating a group.

Revamp Quick Group Switcher:

- Pressing Enter on an empty search bar will switch to the last active tab.
- Pressing Enter while searching for a tab without selecting a tab via arrow keys will take you to the very first result.
- Tab searching is now fuzzy and more forgiving towards typos.
- Groups are no longer visible when searching for tabs, they're instead on the right side of the tab.

- Add context menu item on tabs to move a tab to a group.
- Tab hiding implementation when switching groups. Requires v59.0b3 or higher.
- Fix a bug where a tab did not know the window it belonged to.

- Add ability to Discard tab for Firefox 58
- Add option to discard tabs on group switch (defaults to false)
- When clicking a group in the popup with no tabs, a new tab is created for you in that group.
- Fix a rare bug where the active group would not be updated.

- Fix issue with active group badge not updating on group moving.
- Fix issue with keyboard navigation not scrolling the page.
- Fix rare issue where if no active group is found, then tabs would not be assigned a group.

For v1.3.0:

- Allow keyboard navigation using arrow keys and Enter on the popup to switch tabs.
- Add keyboard shortcut (Ctrl + Shift + L) to open the popup window.
- Add active group indicator via badge on the popup window.
- Workaround a renderer bug in Firefox so the popup window doesn't look corrupted on Windows.
- Hide vertical scrollbar on the popup window.
- Remove padding from group drop targets since it caused jumps.
- Fix bug where chrome:// favicons would error out.
- Fix bug where some systems would have bad margins on the sidebar search bar.
- Fix bug where sidebar group names were not properly centered.
- Fix bug where the active group would not be updated upon a redirect from a group assignment.

- Allow keyboard navigation using arrow keys and Enter on the popup to switch tabs.
- Add keyboard shortcut (Ctrl + Shift + L) to open the popup window.
- Add active group indicator via badge on the popup window.
- Workaround a renderer bug in Firefox so the popup window doesn't look corrupted on Windows.
- Hide vertical scrollbar on the popup window.
- Remove padding from group drop targets since it caused jumps.
- Fix bug where chrome:// favicons would error out.
- Fix bug where some systems would have bad margins on the sidebar search bar.
- Fix bug where sidebar group names were not properly centered.
- Fix bug where the active group would not be updated upon a redirect from a group assignment.

- Add the ability to set a group's colour.
- Revamp popup to allow for quick group switching and searching.
- Disable autocomplete when searching tabs.
- Add Sort By Access context menu.
- Sync tabs to a group when being attached to a new window.

- Change wording in group assignment redirect page slightly.
- Don't allow group assignments to special URLs.
- Add Close All Tabs context menu item to groups.
- Sync groups on added tabs even if the group sidebar is closed.
- Fix bug with active tab CSS class not being removed due to race condition.
- Fix usage with multiple windows.