4.0.3 (November 15th, 2023)

Bugfixes:

• Do not throw error if alternativas have data that can lead to negative numbers for probability calculation (@andrehjr, #703)
• Do not persist invalid extra_info on ab_record_extra_info. (@trostli @andrehjr, #717)
• CROSSSLOT keys issue fix when using redis cluster (@naveen-chidhambaram, #710)
• Convert value to string before saving it in RedisAdapter (@Jealrock, #714)
• Fix deprecation warning with Redis 4.8.0 (@martingregoire, #701)

Misc:

• Add matrix as a default dependency (@andrehjr, #705)
• Add Ruby 3.2 to Github Actions (@andrehjr, #702)
• Update documentation regarding finding users outside a web session (@andrehjr, #716)
• Update actions/checkout to v4 (@andrehjr, #718)

Bugfixes:

• Stop crashing on non-hash json (@knarewski, #697)
• Handle when Rails is partially loaded as a Gem (@TSMMark, #687)

Features:

• Add support for redis-client, which does not automatically cast types to strings (@knarewski, #696)
• Add ability to initialize experiments (@robin-phung, #673)

Misc:

• Fix default branch name and gem metadata indentation (@ursm, #693)
• Update actions/checkout to v3 (@andrehjr, #683)
• Enforce double quotes (@andrehjr, #682)
• Fix Rubocop Style/* Offenses (@andrehjr, #681)
• Enable rubocop on Github Actions (@andrehjr, #680)
• Fix all Layout issues on the project (@andrehjr, #679)
• Fix Style/HashSyntax offenses (@andrehjr, #678)
• Remove usage of deprecated implicit block expectation from specs (@andrehjr, #677)
• Remove appraisals configuration (@andrehjr, #676)
• Add Ruby 3.1 (@andrehjr, #675)
• Encapsulate Split::Algorithms at our own module to avoid explicit calling rubystats everywhere (@andrehjr, #674)

Bugfixes:

• ab_test must return metadata on error or if split is disabled/excluded user (@andrehjr, #622)
• Fix versioned experiments when used with allow_multiple_experiments=control (@andrehjr, #613)
• Only block Pinterest bot (@huoxito, #606)
• Respect experiment defaults when loading experiments in initializer. (@mattwd7, #599)
• Removes metadata key when it updated to nil (@andrehjr, #633)
• Force experiment does not count for metrics (@andrehjr, #637)
• Fix cleanup_old_versions! misbehaviour (@serggl, #661)

Features:

• Make goals accessible via on_trial_complete callbacks (@robin-phung, #625)
• Replace usage of SimpleRandom with RubyStats(Used for Beta Distribution RNG) (@andrehjr, #616)
• Introduce enable/disable experiment cohorting (@robin-phung, #615)
• Add on_experiment_winner_choose callback (@GenaMinenkov, #574)
• Add Split::Cache to reduce load on Redis (@rdh, #648)
• Caching based optimization in the experiment#save path (@amangup, #652)
• Adds config option for cookie domain (@joedelia, #664)

Misc:

• Drop support for Ruby < 2.5 (@andrehjr, #627)
• Drop support for Rails < 5 (@andrehjr, #607)
• Bump minimum required redis to 4.2 (@andrehjr, #628)
• Removed repeated loading from config (@robin-phung, #619)
• Simplify RedisInterface usage when persisting Experiment alternatives (@andrehjr, #632)
• Remove redis_url impl. Deprecated on version 2.2 (@andrehjr, #631)
• Remove thread_safe config as redis-rb is thread_safe by default (@andrehjr, #630)
• Fix typo of in Split::Trial class variable (TomasBarry, #644)
• Single HSET to update values, instead of multiple ones (@andrehjr, #640)
• Use Redis#hmset to keep compatibility with Redis < 4.0 (@andrehjr, #659)
• Remove 'set' parsing for alternatives. Sets were used as storage and deprecated on 0.x (@andrehjr, #639)
• Adding documentation related to what is stored on cookies. (@andrehjr, #634)
• Keep railtie defined under the Split gem namespace (@avit, #666)
• Update RSpec helper to support block syntax (@clowder, #665)

3.4.1 (November 12th, 2019)

Bugfixes:

• Reference ActionController directly when including split helpers, to avoid breaking Rails API Controllers (@andrehjr, #602)

This version includes a few performance improvements and bugfixes. 🚀

3.4.0 (November 9th, 2019)

Features:

• Improve DualAdapter (@santib, #588), adds a new configuration for the DualAdapter, making it possible to keep consistency for logged_out/logged_in users. It's an opt-in flag. No Behavior was changed on this release.
• Make dashboard pagination default "per" param configurable (@alopatin, #597)

Bugfixes:

• Fix force_alternative for experiments with incremented version (@giraffate, #568)
• Persist alternative weights (@giraffate, #570)
• Combined experiment performance improvements (@gnanou, #575)
• Handle correctly case when ab_finished is called before ab_test for a user (@gnanou, #577)
• When loading active_experiments, it should not look into user's 'finished' keys (@andrehjr, #582)

Misc:

• Remove rubyforge_project from gemspec (@giraffate, #583)
• Fix URLs to replace http with https (@giraffate , #584)
• Lazily include split helpers in ActionController::Base (@hasghari, #586)
• Fix unused variable warnings (@andrehjr, #592)
• Fix ruby warnings (@andrehjr, #593)
• Update rubocop.yml config (@andrehjr, #594)
• Add frozen_string_literal to all files that were missing it (@andrehjr, #595)

Features:

• Added uptime robot to configuration.rb (@razel1982, #556)
• Check to see if being run in Rails application and run in before_initialize (@husteadrobert, #555)

Bugfixes:

• Fix error message interpolation (@hanibash, #553)
• Fix Bigdecimal warnings (@agraves, #551)
• Avoid hitting up on redis for robots/excluded users. (@andrehjr, #544)
• Checks for defined?(request) on Helper#exclude_visitor?. (@andrehjr)

Misc:

• Update travis to add Rails 6 (@edmilton, #559)
• Fix broken specs in developement environment (@dougpetronilio, #557)

Features:

• Added pagination for dashboard (@GeorgeGorbanev, #518)
• Add Facebot crawler to list of bots (@pfeiffer, #530)
• Ignore previewing requests (@pfeiffer, #531)
• Fix binding of ignore_filter (@pfeiffer, #533)

Bugfixes:

• Fix cookie header duplication (@andrehjr, #522)

Performance:

• Improve performance of RedisInterface#make_list_length by using LTRIM command (@mlovic, #509)

Misc:

• Update development dependencies
• test rails 5.2 on travis (@lostapathy, #524)
• update ruby versions for travis (@lostapathy, #525)

gem install split -v 3.3.0

or via Bundler:

gem "split", "~> 3.3.0"

Features:

• Allow configuration of how often winning alternatives are recalculated (@patbl, #501)

Bugfixes:

• Avoid z_score numeric exception for conversion rates >1 (@cmantas, #503)
• Fix combined experiments (@semanticart, #502)

Available on Rubygems: https://rubygems.org/gems/split/versions/3.2.0

gem install split -v 3.2.0

or via Bundler:

gem "split", "~> 3.2.0"

Bugfixes:

• Bring back support for ruby 1.9.3 and greater (rubygems 2.0.0 or greater now required) (@patbl, #498)

Misc:

• Document testing with RSpec (@eliotsykes, #495)

Available on Rubygems: https://rubygems.org/gems/split/versions/3.1.1

gem install split -v 3.1.1

or via Bundler:

gem "split", "~> 3.1.1"

Features:

• Support for combined experiments (@daviddening, #493)
• Rewrite CookieAdapter to work with Rack::Request and Rack::Response directly (@andrehjr, #490)
• Enumeration of a User's Experiments that Respects the db_failover Option(@MarkRoddy, #487)

Bugfixes:

• Blocked a few more common bot user agents (@kylerippey, #485)

Misc:

• Repository Audit by Maintainer.io (@RichardLitt, #484)
• Update development dependencies
• Test on ruby 2.4.1
• Test compatibility with rails 5.1
• Add uris to metadata section in gemspec

Available on Rubygems: https://rubygems.org/gems/split/versions/3.1.0

gem install split -v 3.1.0

or via Bundler:

gem "split", "~> 3.1.0"

Features:

• added block randomization algorithm and specs (@hulleywood, #475)
• Add ab_record_extra_info to allow record extra info to alternative and display on dashboard. (@tranngocsam, #460)

Bugfixes:

• Avoid crashing on Ruby 2.4 for numeric strings (@flori, #470)
• Fix issue where redis isn't required (@tomciopp , #466)

Misc:

• Avoid variable_size_secure_compare private method (@eliotsykes, #465)

Available on Rubygems: https://rubygems.org/gems/split/versions/3.0.0

gem install split -v 3.0.0

or via Bundler:

gem "split", "~> 3.0.0"

Features:

• Remove dependency on Redis::Namespace (@bschaeffer, #425)
• Make resetting on experiment change optional (@moggyboy, #430)
• Add ability to force alternative on dashboard (@ccallebs, #437)

Bugfixes:

• Fix variations reset across page loads for multiple=control and improve coverage (@Vasfed, #432)

Misc:

• Remove Explicit Return (@BradHudson, #441)
• Update Redis config docs (@bschaeffer, #422)
• Harden HTTP Basic snippet against timing attacks (@eliotsykes, #443)
• Removed a couple old ruby 1.8 hacks (@andrew, #456)
• Run tests on rails 5 (@andrew, #457)
• Fixed a few codeclimate warnings (@andrew, #458)
• Use codeclimate for test coverage (@andrew #455)

Available on Rubygems: https://rubygems.org/gems/split/versions/2.2.0

gem install split -v 2.2.0

or via Bundler:

gem "split", "~> 2.2.0"

Features

• Support REDIS_PROVIDER variable used in Heroku (@kartikluke, #426)

Available on Rubygems: https://rubygems.org/gems/split/versions/2.1.0

gem install split -v 2.1.0

or via Bundler:

gem "split", "~> 2.1.0"

Breaking changes:

• Removed deprecated finished and begin_experiment methods
• Namespaced override param to avoid potential clashes (@henrik, #398)

Available on Rubygems: https://rubygems.org/gems/split/versions/2.0.0

gem install split -v 2.0.0

or via Bundler:

gem "split", "~> 2.0.0"

Features:

• Running concurrent experiments on same endpoint/view (@karmakaze, #421)

Available on Rubygems: https://rubygems.org/gems/split/versions/1.7.0

gem install split -v 1.7.0

or via Bundler:

gem "split", "~> 1.7.0"

Features:

• Add Dual Redis(logged-in)/cookie(logged-out) persistence adapter (@karmakaze, #420)

Available on Rubygems: https://rubygems.org/gems/split/versions/1.6.0

gem install split -v 1.6.0

or via Bundler:

gem "split", "~> 1.6.0"

Features:

• Add expire_seconds: TTL option to RedisAdapter (@karmakaze, #409)
• Optional custom persistence adapter (@ndelage, #411)

Misc:

• Use fakeredis for testing (@andrew, #412)

Available on Rubygems: https://rubygems.org/gems/split/versions/1.5.0

gem install split -v 1.5.0

or via Bundler:

gem "split", "~> 1.5.0"

Bugfixes:

• Fix Negative numbers on non-finished (@divineforest, #408)
• Eliminate extra RedisAdapter hget (@karmakaze, #407)
• Remove unnecessary code from Experiment class (@pakallis, #391, #392, #393)

Misc:

• Simplify Configuration#normalized_experiments (@pakallis, #395)
• Clarify test running instructions (@henrik, #397)

Available on Rubygems: https://rubygems.org/gems/split/versions/1.4.5

gem install split -v 1.4.5

or via Bundler:

gem "split", "~> 1.4.5"

Bugfixes:

• Increment participation if store override is true and no experiment key exists (@spheric, #380)

Misc:

• Deprecated finished method in favour of ab_finished (@andreibondarev, #389)
• Added minimum version requirement to simple-random
• Clarify finished with first option being a hash in Readme (@henrik, #382)
• Refactoring the User abstraction (@andreibondarev, #384)

Available on Rubygems: https://rubygems.org/gems/split/versions/1.4.4

gem install split -v 1.4.4

or via Bundler:

gem "split", "~> 1.4.4"