Editor loads large documents much faster(upto 2.5X faster)
Stability of in Source Kit and enhance the robustness of the language integration
Code completion and Navigation
Code completion now provides more targeted results and limits completion to high confidence matches
While navigating using Jump To Definition the destination list will now provide contextual details like file and line information
Source Control Change Bar
Change bar is on the left side of the editor and highlights the lines of code which has changed since your last checkout.
The style and color of the indicator revels the type of change, there are different color highlight color for Uncommitted, Upstream , Unpushed and Conflict changes.
Code Folding
Improved code folding, now you can code fold anything.
Code folding ribbon is back!
Multi cursor editing
Hold down Ctrl+Shift and click the places where you like to begin editing.
You can also do Column selection using holding down Option key.
More Source Control Integration
Support for Bitbucket and GitLab
Added support for Rebase during pull actions.
Energy Diagnostics Report
They are like Crash logs for energy usage of your application, it surface details for foreground and background energy usage of the app.
Testing
Test bundles can now be configured to execute their contents in a random order each time the tests are run. This can be enabled in the Test pane of the scheme editor as an option for each test bundle
Running tests in parallel. Test parallelization is supported for macOS unit tests, as well as unit and UI tests on iOS simulators
