MOVis: A Visual Analytics Tool for Surfacing Missed Patches Across Software Variants
Imagine you have many toy cars, but they are all a little bit different! Sometimes, one car gets a super cool new wheel that makes it go super fast. But the other cars don't have it! Oh no!
This new computer helper, called MOVis, is like a special detective. It looks at all your toy cars and finds the super cool new wheels that some cars have, but others don't.
It shows you, with colorful pictures, exactly where the new wheel should go on the other cars. So all your toy cars can be super fast and happy! It helps grown-ups make sure all their computer programs have the best parts. Yay!
arXiv:2604.01494v1 Announce Type: new Abstract: Clone-and-own development produces families of related software variants that evolve independently. As variants diverge, important fixes applied in one repository are often missing in others. PaReco has shown that thousands of such missed opportunity (MO) patches exist across real ecosystems, yet its textual output provides limited support for understanding where and how these fixes should be propagated. We present MOVis, a lightweight, interactive desktop tool that visualizes MO patches between a source and target variant. MOVis loads PaReco's MO classifications and presents patched and buggy hunks side-by-side, highlighting corresponding regions and exposing structural differences that hinder reuse. This design enables developers to quickly
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Abstract:Clone-and-own development produces families of related software variants that evolve independently. As variants diverge, important fixes applied in one repository are often missing in others. PaReco has shown that thousands of such missed opportunity (MO) patches exist across real ecosystems, yet its textual output provides limited support for understanding where and how these fixes should be propagated. We present MOVis, a lightweight, interactive desktop tool that visualizes MO patches between a source and target variant. MOVis loads PaReco's MO classifications and presents patched and buggy hunks side-by-side, highlighting corresponding regions and exposing structural differences that hinder reuse. This design enables developers to quickly locate missed fixes, understand required adaptations, and more efficiently maintain consistency across software variants. The tool, replication package, and demonstration video are available at this https URL and this https URL.
Comments: 4 pages, 2 figures, 1 reference page
Subjects:
Software Engineering (cs.SE)
Cite as: arXiv:2604.01494 [cs.SE]
(or arXiv:2604.01494v1 [cs.SE] for this version)
https://doi.org/10.48550/arXiv.2604.01494
arXiv-issued DOI via DataCite (pending registration)
Submission history
From: Jorge Gonzalo Delgado Cervantes [view email] [v1] Thu, 2 Apr 2026 00:08:55 UTC (127 KB)
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