Implemented forced refresh and reset functionality for statistics.

Fixed an issue caused by long-term inactivity/absence

Fixed a bug where activity codes could not be entered on older iOS versions.

Added a Campaign Code system. For practice sessions, a notification will now appear when all questions in a specific category are completed. Optimized the server-side integration for RevenueCat payments.

Added support for the swipe-to-back gesture. Fixed performance issues with certain APIs. You can now filter by category to practice within the Mistake Notebook. Added options to "Practice new questions only" or "Review incorrect answers" within each category.

Fixed an issue where the zoomed-in image could not be closed on iPhone. Now displays the source of the questions.

[x] Added a practice statistics page to easily track your accuracy and question bank progress. [x] Replaced WebView storage with local storage for improved stability. [x] Fixed audio conflict issues! Button sounds no longer clash with listening exercises. [x] The home page now displays a loading state instead of "0" while data is being fetched. [x] Fixed an issue where exam questions were not being randomized.

[x] Fixed a bug on the first screen; subsequent launches will be faster. [x] Renamed the settings button to "Settings". [x] Fixed padding issues on the Settings page for iPhone. [x] Fixed layout issues where text was too long on some pages in the English version. [x] Added an introduction to the launch screen. [x] Fixed a bug where purchase records were missing after restoring purchases. [x] For Chinese users: Network requests are now paused until network permission is granted. Once confirmed, the app detects network changes and automatically refreshes the request.

[x] Added support for larger font sizes. [x] Added daily practice reminders. [x] Refactored and improved the avatar setting interface. [x] Fixed an issue where audio could not be played after the app went to the background. [x] Fixed an issue where the practice count was not displayed on the home screen when not in a team.

[x] Added support for Traditional Chinese. [x] The home page now displays the total number of questions answered instead of consecutive login days. [x] Fixed an issue where images would not load in China. [x] Images can now be zoomed in. [x] Fixed an issue with excessive top padding on the "Join Team" page on iPad Mini.

[x] Unified User Account: Your iPhone, iPad, and other devices are now recognized as the same user [x] Support for iOS 16: Fixed the issue where items were unclickable previously [x] Performance Fix: Replaced SVGs with PNGs to resolve device overheating issues [x] Bug Fix: Fixed display issues for certain questions

Fixes and Improvements: [x] Fixed an issue where joining a group did not automatically redirect to the group page. [x] Fixed a potential issue where the app would get stuck on the loading screen during the first login. [x] Adjusted UI and font settings for AI generation on iPhone to fix insufficient width display. [x] The "Mistake Notebook" count now automatically refreshes at specific intervals. [x] Changed logic: Answer validation now occurs when the user selects an option, not when clicking "Next". [x] Finishing a test in the "Mistake Notebook" now automatically redirects back to the Home page. [x] Fixed data latency and incorrect question sorting issues caused by caching. [x] Added touch sound effects (can be toggled off in Settings). [x] Fixed a crash occurring when selecting the camera for image uploads. [x] Fixed an issue where entering the same category twice would retrieve the duplicate questions. [x] Fixed scrollbar issues caused by incorrect page height settings.