1.80

• fix feedback form #336
• add a/b test for video in course description #337
• improve code scroll #338
• fix calendar export #340

1.79

• add ability to export schedule to system calendar #314
• add KtLint #322
• add achievements a/b #323
• add step image caching #324
• add personal deadlines a/b #325
• fix Sku serialization #326
• fix course progresses in course lists #327
• fix video playback restart on orientation change #328
• add analytics #329 #334
• add app bundle #331
• add auto resolving of relative paths in Glide #332

1.78.1

• fix LaTeX detection #330

1.78

• fix "Open in web" button for paid courses #313
• add course reviews tab #315
• remove auth push ab test #316
• fix stories issues #317
• add compatibility with new wysiwyg #318
• add retention notifications #319
• update Glide to v4 #320

1.77

• fix achievements localisation #307
• fix video player issues #308
• filter paid courses before course-payments request #309
• restore old continue learning flow #310
• fix local notifications for Android 8+ #311

1.76

• add course in-app purchases #299
• stability improvements #301 #302 #303
• update ExoPlayer #304

1.75.2

• force TLS 1.2 on Android 4

1.75.1

• fix DBZ in progress operations
• use safe SQL operations for migration

1.75

• new course screen #292
• remove AppsFlyer #293
• add Branch #294
• add Stetho for tester's build #295
• A/B test for registration push #296

1.72

• add support for achievements notifications #288
• fix several issues with step text