●Change8

Migrating to Arize Phoenix arize-phoenix-v18.0.0

Version arize-phoenix-v18.0.0 introduces 1 breaking change. This guide details how to update your code.

Released: 7/14/2026

1
Breaking Changes
1
Migration Steps
1
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

sessions

Breaking Changes

●Issue #1

Sessions now use interval-overlap semantics for time-range filters. This change affects how session data is queried and filtered based on time ranges. Refer to MIGRATION.md for details.

Migration Steps

  1. 1
    Review MIGRATION.md for details on the new interval-overlap semantics for session time-range filters.

Release Summary

This release introduces interval-overlap semantics for session time-range filters, enhancing session data querying. A breaking change is noted for session filtering behavior.

Need More Details?

View the full release notes and all changes for Arize Phoenix arize-phoenix-v18.0.0.

View Full Changelog