Upgrade multiple Spring applications in parallel

DraftBusiness travel and expense managementNot specified

Navan used self-hosted Cursor Cloud Agents to migrate eight applications and 15 libraries to Spring Boot 4 in about one week. A comparable earlier migration took over a month. These are company-reported project durations, not a controlled experiment.

Draft: this entry has not yet been human-reviewed. Its summary and extracted facts are AI-assisted. Check the original source before relying on the claims.

For whom

Senior Java engineers in established companies; Spring, infrastructure and testing expertise.

Not for

Unsuitable for framework upgrades without application-level regression checks.

Brain Score

6/10 brain cells
Impact
2/2
Evidence
1/2
Reproducibility
0/2
Maturity
2/2
Reach
1/2

Five values from 0 to 2. The total has a minimum of 1. A reading aid based on the source, not an independently measured performance result. How the score works

Original source

Navan cuts a month-long migration down to a week, without freezing the codebase 
Type
Vendor
Published
Data as of
2026-10-31

The data date records when this dataset was included in the collection. It is separate from the publication date of the source.

Tools

All use cases