Bug Fixes

• fix URL construction in GBContext to handle trailing slashes (#147)
  (24f9d4f)
• resolve dart analyzer warnings in test files (c5b0486)

Features

• add customFields property to GBExperiment (#150)
  (8a9baeb)

4.2.4 (2026-03-05)

Bug Fixes

• guard _fetchCachedFeatures against empty/corrupt cache data (#145) (8adb57e)

4.2.3 (2026-03-03)

Bug Fixes

• Handle HTTP 304 (Not Modified) as success instead of error (#143) (585beb7)
• use Uri class for URL construction in GBContext (#139) (c736f7c)

4.2.2 (2026-01-22)

Bug Fixes

• encryption: handle encrypted features in network fetch (8555361)

4.2.1 (2026-01-20)

What's Changed

• Fixed Bucketing Regression - From v4.0.0 SDK started to support v2 hashing but the evalFeature had a forced a check using v1 Hash, ignoring the rule's actual configuration.
• Fix FNV1a to accept full 16-bit values for cross-platform consistency preventing users from falling into different buckets on different devices.
• Update test scenarios spec - for sticky bucketing - minExperimentBucketVersion - Merge pull request #134 from growthbook/fix/forced-v1-check (dc7bf03)

4.1.1 (2025-11-21)

Bug Fixes

• feature_viewmodel: implement single-flight for feature fetch (5bbeb13)
• growthbook feth/refresh logic update (ff76f2a)

Features

• adjust dependencies for alpha release compatible with Flutter 3… (1b084c9)
• adjust dependencies for alpha release compatible with Flutter 3.22.3 (d97777d)

⚠ BREAKING CHANGES

• include .g.dart files in published packages

Bug Fixes

• add setup, build_runner to publish workflow (963503c)
• analyzer issues (226ee7f)
• detached HEAD (f8264d9)
• include .g.dart files in published packages (f2f64fe)
• include .g.dart files in published packages (f2f64fe)
• include .g.dart files in published packages (ef12356)
• update dart SDK constraint to >=3.3.0 (00973d7)
• update Flutter version to 3.24.0 (c34afb5)
• update Flutter version to 3.27.0 and upgrade build_runner to ^2.4.14 (cfcc146)

Bug Fixes

• bug fixes for eval & sticky bucketing (d85d4dd)
• release template (33af84a)

Bug Fixes

• type conversions (4324001)

3.9.10

• Moved TrackData to constant.dart to ensure it is publicly accessible and can be imported correctly without relying on internal paths.
• Updated project functionality to align with version 0.7.1 change log:
• Added feature rule ID to the FeatureResult object and updated all related test cases.
• Added new tests for pre-requisite edge cases.
• Ensured only known properties are copied from feature rules to experiments.
• Expanded evalCondition tests to cover null/false edge cases.
• Added test cases for URL redirects.

3.9.9

• Enable Multi Context Support

3.9.8

• Fix SSE connection
• Fix building feature url
• Create separate method autorefresh for SSE functionality

3.9.7

• Update hash function to get same result on web & mobile.

3.9.6

• Fixed issue with fallback attribute ignoring when needed.

3.9.5

• Add subscription logic
• Fix issue with null handling
• Fix hashing on web
• Update cache saving logic

3.9.4

• New Operators $inGroup and $notInGroup to check Saved Groups by reference
• Add argument to evalCondition for definition of Saved Groups
• Add test cases for evalCondition, feature, and run using the new operators

3.9.3

• Support Caching Manager on Flutter Web
• Remove a broken test case
• Add equatable for StickyAssignmentsDocument
• Add different type of exception handling for get features request

3.9.2

• Allowing multiple keys on a single level, even with operators like $or
• Add feature usage callback
• isOn and evalFeature methods to GrowthBookSDK
• Add tracking callback and feature usage callback tests

3.9.1

• v0.6.0: Tweak to isIncludedInRollout to handle an edge case when coverage is zero. Also added test case for this
• v0.6.0: Remove versionCompare test cases (these are now just included as part of evalCondition)
• v0.6.0: Add id property to feature rules (reserved for future use)
• Add common tests and make fixes

3.9.0

• Expose dio client to enable overrideable
• Export as independent method listenAndRetry
• To runnable on Web, use Utf8Encoder or Utf8Decoder instead of utf8.encode or utf8.decode
• Export experiment result

3.8.0+0

• add StickyBucketing test cases

3.7.0+0

• Remote Evaluation

3.6.0+0

• onInitializationFailure callback

3.5.0+0

• generating padded version strings
• extension StringComparison for comparing strings lexicographically
• Sticky Bucket logic

3.4.0+0

• sse connection background sync

3.3.0+0

• cache manager and set refresh handler

3.2.0+0

• parentConditions property to GBExperiment and GBFeature

3.1.0+0

• v0.2.1: Incorporated Test Case for Null HashAttribute:
• Introduced a new test case to handle scenarios where an experiment's hashAttribute is null, ensuring comprehensive coverage of potential conditions
• Enforced a new test case to manage instances where an experiment's coverage is set to 0, ensuring robust handling of edge cases.
• Add featureId to ExperimentResult Object:
• ExperimentResult object by incorporating featureId, enriching the dataset for improved analysis and tracking capabilities.
• sse client
• added support streaming update
• prepareFeaturesData optimization
• attribute and hashVersion nullable at GBFilter
• v0.2.1: Add test case for when an experiment's hashAttribute is null
• v0.2.2: Add test case for when an experiment's hashAttribute is an integer
• v0.2.3: Implemented Test Case for Zero Coverage
• v0.2.3: Add test case for when an experiment's coverage is set to 0
• v0.4.0: New hashVersion, ranges, meta, filters, seed, name, and phase properties of Experiments:
• v0.4.1: hash function now returns null instead of -1 when an invalid hashVersion is specified
• v0.4.2: Add test cases when targeting condition value is null
• added decrypt function and set of test cases
• v0.5.0: Add support for new version string comparison operators ($veq, $vne, $vgt, $vgte, $vlt, $vlte) and new paddedVersionString helper function
• v0.5.0: New isIn helper function for conditions, plus new evalCondition test cases for $in and $nin operators when attribute is an array
• v0.5.1: Add 2 new test cases for matching on a $groups array attribute
• v0.5.2: Add 3 new test cases for comparison operators to handle more edge cases
• setEncryptedFeatures method
• Integrated CI/CD functionality, enhancing security and automation in the development pipeline

• Fixes issue

• Fixes issue

• Fixes issue caused by analyzer.

• solves #32.

• Breaking change: Made initialization of sdk asynchronous.
• Added run method to Evaluate experiment.
• Removed SDKBuilder.

• Fixed feature evaluation on string comparison.

• First Release Version.
• AB Testing.
• Feature Flag.
• Percentage RollOut.