Summer ’26 brings a Visual Comparison tool to Flow Builder. It marks the differences between two versions of a Flow on the canvas itself, which is a much easier read than a table when you are trying to work out what somebody changed and why the thing stopped working.
Visual Flow comparison tool
Version comparison arrived in Winter ’26 and showed you the differences in a tabular format. Summer ’26 keeps that table and adds a dedicated Visual Comparison mode that draws the same differences inside the Flow canvas.
Accessing Visual Comparison
In an org running Summer ’26 or later:
- Open a Salesforce Flow that has multiple saved versions.
- In the top bar of Flow Builder, select the Flow version dropdown.
- Scroll to the bottom of the versions list and click "Compare Versions."
- Select another version of the Flow to compare against.
- On the right side of the menu bar, click the new "Visual Comparison" button.
The view switches from the table to the Flow canvas, with indicators laid over the elements that differ.
Understanding the comparison indicators
Every changed element picks up a colored tab:
- Blue: the element was updated. Click it to see the specific modifications.
- Green: the element was created. It is new in the current version and did not exist in the prior one.
- Red: the element was deleted. It was there in the earlier version and is absent from the later one.
- Pink: the connector between two elements changed, so a connection that previously existed is now broken or altered.
Insert a new element between two that were already connected and both of the originals show pink tabs, because their old connection is gone.
Transform element content comparison
Visual Comparison also looks inside a Transform element and compares the mappings, joins and formulas defined in it. That works in the legacy tabular view as well, not only in the new canvas mode.
Drill into an individual field mapping and the additions, such as a modified formula or a new join, are highlighted in green, while anything removed is marked in red.
Benefits of Visual Comparison
On a large or complex Flow this beats reading a list of changes. You can see where a modification sits instead of reconstructing its position from a row in a table, and that is most of the work when you are diagnosing a problem in an org where Flows change often and change a lot at a time.
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