Release notes

Release 1.15

• update Facebook SDK

Release 1.14

• remove ab test with questions packs discounts
• add Branch SDK

Release 1.13

• add Questions pack discount A/B test

Release 1.12

• add Amplitude analytics

Release 1.11

• update assets for PDD course
• add notification channel for Android 8+

Release 1.10

• revert app name & graphics back to the TOEFL

Release 1.9

• fix crash on orientation change on the registration screen during active progress dialog

Release 1.8

• add course 8290
• add support for number and string quiz
• add new exp formula
• add purchases and exp synchronization
• add authorization / registration
• reveal real names in leaderboards
• fix old recommendation after course switch

Release 1.7

• add conditional questions packs
• add Proguard (reduce apk size by 30%, get rid of multidex)
• add dependency injection
• rename TOEFL app to English Vocabulary

Release 1.6

• add words bookmarks for TOEFL flavor
• add support for remote push notifications
• add Firebase Remote Config
• add Crashlytics
• add AppMetrica
• A/B test for questions pack specific icon with the badge
• A/B test for questions pack dialog instead of tooltip

Release 1.5

• Add questions pack for TOEFL flavor
• Add an ability to purchase error coupons
• Replace streak restore dialog with the smaller widget
• New icons for coupons
• New splash screen for TOEFL flavor
• Fix crash after swiping popped card

Release 1.4

• Achievements
• Leaderboards
• New courses

Release 1.3

• UI improvments
• Improved card swipes
• Daily rewards
• Add mechanics that allows users to restore their streak after wrong answer
• Add daily notification to reming users to study

Release 1.2

• Improved cards loading
• Fix problems with card swipes
• Cards are displayed in form of stack
• Add rate app dialog
• Add experience system
• Add interactive onboarding
• Add screen with your stats
• Zoomable images in tasks
• Now you don't need stepik.org account to use app