- New view modes via View > Show submenu: Branches, Commits, Tags, Releases, Workflow Runs
- Data layer: Branch, Commit, Tag, Release, WorkflowRun dataclasses with gh api calls
- Dynamic columns submenu rebuilds per view mode
- Details panel shows file-level changes for commits, release notes for releases
- Open in browser works across all views
- Added COPILOT.md project knowledge file
- Updated README with new features and keybindings