## Expanded Changes Sidebar [#858](https://github.com/superset-sh/superset/pull/858)

- New workspace layout with a resizable sidebar and improved expand/collapse behavior
- Main content switches cleanly between tab view and changes view
- Added a placeholder "changes" view for upcoming code-review support

## Organization Settings [#820](https://github.com/superset-sh/superset/pull/820)

- Desktop: pick an image file to set organization logo (preview + upload)
- Organization settings: edit name, manage slug with live availability checks (owner-only)
- Members: invite, view, sort, and manage organization members with role-aware actions
- Settings navigation reorganized from team-centric to separate Organization and Members sections

## Diff View Improvements [#845](https://github.com/superset-sh/superset/pull/845)

- Added ability to toggle visibility of unchanged regions in the diff viewer
- Users can now hide unchanged lines to focus on actual changes, improving readability of large diffs
- New toggle button added to the file viewer toolbar with visual state indication

## Middle-Click to Close Tabs [#853](https://github.com/superset-sh/superset/pull/853)

Added middle-click support for tabs—users can now close a tab by middle-clicking on it for quicker navigation. Matches standard browser tab behavior.