Diff Viewer
Diff Viewer depicts two saved versions of your sheet side by side and lets you merge changes between them.
TIP
Make sure to have Qlik Helper turned on in Gitoqlok and your current app saved to your repository with an initial commit.
Open Diff Viewer
Make some changes to your sheet. As an example, the color scheme of the diagrams below was changed and saved and committed as a new version:

Version 1

Version 2
Click on the details icon in the sheets menu and select Diff Viewer:

Gitoqlok Helper Diff Viewer
Explore the differences
Diff Viewer lets you see the differences between two versions of your sheet in two panels. Select the version you want to compare against from the timeline at the top of the page - differences are highlighted for you.

Diff Viewer highlights changes
Merge changes
When you click on a highlighted visualization, notice the View/Merge Changes button. This lets you transfer the changes into the current version of your sheet (on the left).

View/Merge Changes
The popup table refines the changes made to the visualization so you can choose what to merge. Once you've made your selection, hit Apply Merge to finish:

Viewing sheet changes
Finally, click Apply Merge on the top right of your Qlik interface. Notice that your current version has been changed:

Apply merge

Changed sheet after the changes were merged
INFO
Need to compare Load Script versions instead? See Load Script Versioning.
