SKY-8967 SKY-8968 tracks options

[zhukaihan]

Updated docs for tracksAssignment and tracksExposure for server-side remote evaluation fetch options.

---

Note

Documents per-request FetchOptions (tracksAssignment/exposure, flagKeys) and updates fetch APIs (incl. new v2 variants) across Go, JVM, Node.js, PHP, Python, and Ruby SDKs, plus minor wording tweaks.

• Remote fetch API updates (server SDKs)
  • Go:
    • Add FetchV2WithOptions(user, fetchOptions) with FetchOptions (TracksAssignment, TracksExposure) and example.
    • Clarify user param description.
  • JVM (Kotlin/Java):
    • fetch(user, fetchOptions?) in Kotlin; overloaded fetch(user, fetchOptions) in Java.
    • Add FetchOptions table (tracksExposure, tracksAssignment).
    • Clarify user param description.
  • Node.js:
    • fetchV2(user, fetchOptions?) signature; add FetchOptions (flagKeys, tracksExposure, tracksAssignment).
    • Clarify user param description.
  • PHP:
    • Change fetch(User, ?FetchOptions) (replaces flagKeys param) and add FetchOptions (flagKeys, tracksExposure, tracksAssignment).
    • Clarify user param description.
  • Python:
    • fetch_v2(user, fetch_options=None) and FetchOptions (tracks_exposure, tracks_assignment).
    • Minor wording update for async fetch user param.
  • Ruby:
    • Use fetch_v2(user, fetch_options=nil) and add FetchOptions (tracks_exposure, tracks_assignment).
    • Rename async to fetch_async_v2(..., fetch_options=nil); update examples.
    • Clarify user param description.

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Project	Deployment	Preview	Updated (UTC)
amplitude-docs	Ready	Preview	Dec 9, 2025 1:17am

[kyeh-amp]

Genuinely asking - Is it worth updating this graphic too?
https://amplitude.com/docs/feature-experiment/remote-evaluation

[JeffScattini-amplitude]

Genuinely asking - Is it worth updating this graphic too? https://amplitude.com/docs/feature-experiment/remote-evaluation

Most likely. Can I set up some time with you to discuss and update?