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Release 4.3.0

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@muzahidul-opti muzahidul-opti released this 11 Dec 06:14
· 1 commit to master since this release
4.3.0
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Learn about vigilant mode.

[4.3.0]

Dec 10th, 2025

New Features

  • CMAB (Contextual Multi-Armed Bandit) Support: Added support for CMAB experiments with new configuration options and cache control (#577, #578, #579, #582, #583, #584, #585, #590, #593)
  • Add Holdouts Feature: Add Holdout support for feature experimentation (#572, #576)
  • Multi-Region Support for Data Hosting: Added SDK support for multi-region data hosting (#573)

API Changes

  • OptimizelyUserContext: New asynchronous decision-making methods

    • decideAsync(): Asynchronous method to make a decision for a single flag with CMAB support
    • decideAllAsync(): Asynchronous method to make decisions for all flags
    • decideForKeysAsync(): Asynchronous method to make decisions for multiple flag keys

  • Client Initialization:

    • CmabClientConfig can be injected when initializing the client for custom CMAB configuration
    • CmabService can be provided to OptimizelyFactory for custom CMAB service implementation

  • New Decide Options: Added cache control options for CMAB

    • IGNORE_CMAB_CACHE: Skip reading from CMAB cache
    • RESET_CMAB_CACHE: Clear and reset CMAB cache before decision
    • INVALIDATE_USER_CMAB_CACHE: Invalidate cache entries for specific user
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