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UpGrade 6.2 Release Notes

Primarily bug fixes, enhancements, and vulnerable dependency updates

UI:

  • Universally trims text inputs to avoid subtle bugs with unseen spaces or characters
  • Improved UX in paginated / search / filtering on experiment page
  • Improved consistency in UI elements / messages
  • Revised Mooclet TS_Configurable "reward metric" displays

Backend:

  • Adds "batch assign" feature for querying multipe users' conditions
  • Fixes erroneous "competing decision point" assignments in some complex scenarios
  • Improved Metrics query performance
  • Fixed CSV export functionality so UI does not wait and accidentally cancel a long-running query
  • The algorithm for searching through sub-segments had been capped, it can now handle any depth of nested sub-segments
  • Tightening up of several API error-handling and validation cases

Within-Subjects feature:

  • New repeated-enrollment db table necessary for performant future support
  • Fixed data exports

DB changes (backwards compatible, no impact should be noticed):

  • Migration needed to add repeated-enrollment table
  • Migration for 'Draft' status enum added to support future experiment UI refresh

Client Libraries:

  • Newest TS and Java clients will "cache" assign and feature flag responses by default, with option to ignore cache and force refetch
  • Java client will now require context in the constructor instead of in the getAllExperimentCondtions method
  • Backwards compatible, not required to update (but encouraged!)

UpGrade 6.1 Release Notes

Segments Refresh:

  • Redesigned UI for Segments pages / modals (UX design kudos to @zackcl)
  • Global exclusion segments now separated by app-context (was previously one global list)
  • Updated list management for segments with import/export functionality
  • Improved search and pagination

Note that the segment data structure has been updated also:

  • Backwards compatible, old and new segment structures will both work.
  • Newly added segments will see an update UI for working with lists.
  • 'Old' segments will continue to be supported, but with the old UI in the details view.
  • It is recommended to recreate 'old' style lists to the newer style when convenient.

Other updates:

Metrics display in data tab of experiments has been turned back on in the UI Performance Optimizations - Improved database queries for metrics and experiment conditions Error Handling Improvements - Better HTTP error codes with consistent handling across endpoints Mooclet Integration Backend - Added foundational support for Mooclet experiments (not user-visible in this release)

Angular 19 / Node 22 Support Java Client support for Java 17 (specifically handling PATCH requests) Support for ECS Infrastructure, CORS whitelisting

Important note for devs running upgrade instance locally:

  • local UI configuration no longer uses the hardcoded environment.ts by default in local
  • you will need to create an environment.local.ts file, which is properly gitignored