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@pulak-opti pulak-opti released this 22 Jan 16:44
· 11 commits to master since this release
v4.0.0
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[4.0.0] - January 22, 2024

New Features

The 4.0.0 release introduces a new primary feature, Advanced Audience Targeting enabled through integration with Optimizely Data Platform (ODP) (#356, #364, #365, #366).

You can use ODP, a high-performance Customer Data Platform (CDP), to easily create complex real-time segments (RTS) using first-party and 50+ third-party data sources out of the box. You can create custom schemas that support the user attributes important for your business, and stitch together user behavior done on different devices to better understand and target your customers for personalized user experiences. ODP can be used as a single source of truth for these segments in any Optimizely or 3rd party tool.

With ODP accounts integrated into Optimizely projects, you can build audiences using segments pre-defined in ODP. The SDK will fetch the segments for given users and make decisions using the segments. For access to ODP audience targeting in your Feature Experimentation account, please contact your Optimizely Customer Success Manager.

This version includes the following changes:

  • FetchQualifiedSegments() API has been added to the /decide endpoint. This API will retrieve user segments from the ODP server. The fetched segments will be used for audience evaluation. Fetched data will be stored in the local cache to avoid repeated network delays.

  • SendOdpEvent() API has been added with the /send-opd-event endpoint. Customers can build/send arbitrary ODP events that will bind user identifiers and data to user profiles in ODP.

For details, refer to our documentation pages:

This release also introduces a fundamental enhancement to the agent with the addition of a datafile syncer. This feature is designed to facilitate seamless synchronization of datafiles across agent nodes, ensuring consistency and accuracy in the operation of the webhook API.
The datafile syncer uses a PubSub system (Default: Redis) to send updated datafile webhook notification to Agent nodes (in HA system) so that nodes can immediately fetch the latest datafile. (#405)

Breaking Changes

  • ODPManager in the SDK is enabled by default. Unless an ODP account is integrated into the Optimizely projects, most ODPManager functions will be ignored. If needed, ODPManager can be disabled when OptimizelyClient is instantiated. From Agent, it can be switched off from config.yaml or env variables.
  • Updated go-sdk version to v2.0.0 with module path github.com/optimizely/go-sdk/v2

Functionality Enhancement

  • Updated openapi schema to 3.1.0. (#392)
  • Added support for prometheus metrics. (#348)
  • Github Issue template is udpated. (#396)
  • Updated go version to 1.21. (#398)
  • Added OpenTelemetry Tracing Support. (#400)
  • Added traceID & spanID to logs. (#407)

Bug fixes

In previous versions, there was an issue where the Notification API would miss notification events when the Agent was operating in HA mode. It only got notification events from one Agent node. The bug has been addressed in this release with the implementation of a comprehensive solution. A PubSub system (Default: Redis) is used to ensure consistent retrieval of notification events across all nodes in an HA setup. (#399)

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