[FR] Support Ubuntu 26.04

[efcy]

📋 Proposal Summary

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Support Ubuntu 26.04.

💡 Motivation

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For all users eager to work with the latest Ubuntu release, they would see Fiftyone fail because MongoDB could not be installed on your system. MongoDB does not support Ubuntu 26.04 yet, but it would be very nice to have Fiftyone working again out-of-the-box when MongoDB is ready!

This ticket is similar to #4526

🎯 What areas of FiftyOne does this feature affect?

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• App: FiftyOne application
• Core: Core fiftyone Python library
• Server: FiftyOne server

📝 Details

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No response

🚀 Willingness to contribute

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Yes. I would be willing to contribute this feature with guidance from the FiftyOne community