This update includes bug fixes and performance improvements for a smoother experience.

This update includes bug fixes and performance improvements for a smoother experience.

This update fixes a bug that could cause the app to close immediately when you opened it after updating. If the app wouldn't open, this resolves it. Thank you for your patience — and happy studying!

This update includes bug fixes and performance improvements for a smoother experience.

This update includes bug fixes and performance improvements for a smoother experience.

This update includes bug fixes and performance improvements for a smoother experience.

This update improves the translation feature during tests and includes bug fixes for a smoother experience.

Bug fixes and performance improvements.

Bug fixes and performance improvements.

- Quiz content fixes (questions and answers) - Corrected translations to remove duplicates that could cause answers to “shift” into the wrong position - Removed 10 incorrect duplicate answers that matched the correct answer text - Added missing/replacement third answer options for 6 questions across all supported languages

- Quiz content fixes (questions and answers) - Corrected translations to remove duplicates that could cause answers to “shift” into the wrong position - Removed 10 incorrect duplicate answers that matched the correct answer text - Added missing/replacement third answer options for 6 questions across all supported languages

- Quiz content fixes (questions and answers) - Corrected translations to remove duplicates that could cause answers to “shift” into the wrong position - Removed 10 incorrect duplicate answers that matched the correct answer text - Added missing/replacement third answer options for 6 questions across all supported languages

- Quiz content fixes (questions and answers) - Corrected translations to remove duplicates that could cause answers to “shift” into the wrong position - Removed 10 incorrect duplicate answers that matched the correct answer text - Added missing/replacement third answer options for 6 questions across all supported languages - More reliable quiz progress, completion, and bookmarks - Fixed cases where quiz progress wasn’t saved properly - Bookmarking a question now updates instantly without reloading the entire quiz - Starting a new attempt no longer resets or overwrites your completion status - Resolved multiple quiz-screen glitches, including lost translations, unexpected question re-ordering, and jumping to the wrong spot in the mistakes section - Improved final test availability and question selection - Final tests are now available in more categories (requirements relaxed) - The final test card now shows the actual number of questions you’ll receive (e.g., 50 or 30), not the total question pool size - Final test questions are now de-duplicated, shuffled, and capped at: - 50 questions for general tests - 30 questions for endorsements - Favorites now check login status more accurately - Clearer connection status messaging - The “Connection lost” banner now appears only after a real connection drops (no more banner on stale/expired sessions) - Expired guest sessions are reset automatically to prevent getting stuck in a “reconnecting” state - Guest error reporting now works end-to-end - Submitting “Found an error?” as a guest now reliably sends the report instead of losing it - Support escalation fix - Escalation now uses the correct API endpoint (instead of sending a text message), preventing automated reply loops and correctly marking the conversation as waiting for staff - Small iOS UI change - The iOS status bar is now hidden

- Quiz content fixes (questions and answers) - Corrected translations to remove duplicates that could cause answers to “shift” into the wrong position - Removed 10 incorrect duplicate answers that matched the correct answer text - Added missing/replacement third answer options for 6 questions across all supported languages - More reliable quiz progress, completion, and bookmarks - Fixed cases where quiz progress wasn’t saved properly - Bookmarking a question now updates instantly without reloading the entire quiz - Starting a new attempt no longer resets or overwrites your completion status - Resolved multiple quiz-screen glitches, including lost translations, unexpected question re-ordering, and jumping to the wrong spot in the mistakes section - Improved final test availability and question selection - Final tests are now available in more categories (requirements relaxed) - The final test card now shows the actual number of questions you’ll receive (e.g., 50 or 30), not the total question pool size - Final test questions are now de-duplicated, shuffled, and capped at: - 50 questions for general tests - 30 questions for endorsements - Favorites now check login status more accurately - Clearer connection status messaging - The “Connection lost” banner now appears only after a real connection drops (no more banner on stale/expired sessions) - Expired guest sessions are reset automatically to prevent getting stuck in a “reconnecting” state - Guest error reporting now works end-to-end - Submitting “Found an error?” as a guest now reliably sends the report instead of losing it - Support escalation fix - Escalation now uses the correct API endpoint (instead of sending a text message), preventing automated reply loops and correctly marking the conversation as waiting for staff - Small iOS UI change - The iOS status bar is now hidden

- Quiz content fixes (questions and answers) - Corrected translations to remove duplicates that could cause answers to “shift” into the wrong position - Removed 10 incorrect duplicate answers that matched the correct answer text - Added missing/replacement third answer options for 6 questions across all supported languages - More reliable quiz progress, completion, and bookmarks - Fixed cases where quiz progress wasn’t saved properly - Bookmarking a question now updates instantly without reloading the entire quiz - Starting a new attempt no longer resets or overwrites your completion status - Resolved multiple quiz-screen glitches, including lost translations, unexpected question re-ordering, and jumping to the wrong spot in the mistakes section - Improved final test availability and question selection - Final tests are now available in more categories (requirements relaxed) - The final test card now shows the actual number of questions you’ll receive (e.g., 50 or 30), not the total question pool size - Final test questions are now de-duplicated, shuffled, and capped at: - 50 questions for general tests - 30 questions for endorsements - Favorites now check login status more accurately - Clearer connection status messaging - The “Connection lost” banner now appears only after a real connection drops (no more banner on stale/expired sessions) - Expired guest sessions are reset automatically to prevent getting stuck in a “reconnecting” state - Guest error reporting now works end-to-end - Submitting “Found an error?” as a guest now reliably sends the report instead of losing it - Support escalation fix - Escalation now uses the correct API endpoint (instead of sending a text message), preventing automated reply loops and correctly marking the conversation as waiting for staff - Small iOS UI change - The iOS status bar is now hidden

- Quiz content fixes (questions and answers) - Corrected translations to remove duplicates that could cause answers to “shift” into the wrong position - Removed 10 incorrect duplicate answers that matched the correct answer text - Added missing/replacement third answer options for 6 questions across all supported languages - More reliable quiz progress, completion, and bookmarks - Fixed cases where quiz progress wasn’t saved properly - Bookmarking a question now updates instantly without reloading the entire quiz - Starting a new attempt no longer resets or overwrites your completion status - Resolved multiple quiz-screen glitches, including lost translations, unexpected question re-ordering, and jumping to the wrong spot in the mistakes section - Improved final test availability and question selection - Final tests are now available in more categories (requirements relaxed) - The final test card now shows the actual number of questions you’ll receive (e.g., 50 or 30), not the total question pool size - Final test questions are now de-duplicated, shuffled, and capped at: - 50 questions for general tests - 30 questions for endorsements - Favorites now check login status more accurately - Clearer connection status messaging - The “Connection lost” banner now appears only after a real connection drops (no more banner on stale/expired sessions) - Expired guest sessions are reset automatically to prevent getting stuck in a “reconnecting” state - Guest error reporting now works end-to-end - Submitting “Found an error?” as a guest now reliably sends the report instead of losing it - Support escalation fix - Escalation now uses the correct API endpoint (instead of sending a text message), preventing automated reply loops and correctly marking the conversation as waiting for staff - Small iOS UI change - The iOS status bar is now hidden

- Quiz content fixes (questions and answers) - Corrected translations to remove duplicates that could cause answers to “shift” into the wrong position - Removed 10 incorrect duplicate answers that matched the correct answer text - Added missing/replacement third answer options for 6 questions across all supported languages - More reliable quiz progress, completion, and bookmarks - Fixed cases where quiz progress wasn’t saved properly - Bookmarking a question now updates instantly without reloading the entire quiz - Starting a new attempt no longer resets or overwrites your completion status - Resolved multiple quiz-screen glitches, including lost translations, unexpected question re-ordering, and jumping to the wrong spot in the mistakes section - Improved final test availability and question selection - Final tests are now available in more categories (requirements relaxed) - The final test card now shows the actual number of questions you’ll receive (e.g., 50 or 30), not the total question pool size - Final test questions are now de-duplicated, shuffled, and capped at: - 50 questions for general tests - 30 questions for endorsements - Favorites now check login status more accurately - Clearer connection status messaging - The “Connection lost” banner now appears only after a real connection drops (no more banner on stale/expired sessions) - Expired guest sessions are reset automatically to prevent getting stuck in a “reconnecting” state - Guest error reporting now works end-to-end - Submitting “Found an error?” as a guest now reliably sends the report instead of losing it - Support escalation fix - Escalation now uses the correct API endpoint (instead of sending a text message), preventing automated reply loops and correctly marking the conversation as waiting for staff - Small iOS UI change - The iOS status bar is now hidden

- Quiz content fixes (questions and answers) - Corrected translations to remove duplicates that could cause answers to “shift” into the wrong position - Removed 10 incorrect duplicate answers that matched the correct answer text - Added missing/replacement third answer options for 6 questions across all supported languages - More reliable quiz progress, completion, and bookmarks - Fixed cases where quiz progress wasn’t saved properly - Bookmarking a question now updates instantly without reloading the entire quiz - Starting a new attempt no longer resets or overwrites your completion status - Resolved multiple quiz-screen glitches, including lost translations, unexpected question re-ordering, and jumping to the wrong spot in the mistakes section - Improved final test availability and question selection - Final tests are now available in more categories (requirements relaxed) - The final test card now shows the actual number of questions you’ll receive (e.g., 50 or 30), not the total question pool size - Final test questions are now de-duplicated, shuffled, and capped at: - 50 questions for general tests - 30 questions for endorsements - Favorites now check login status more accurately - Clearer connection status messaging - The “Connection lost” banner now appears only after a real connection drops (no more banner on stale/expired sessions) - Expired guest sessions are reset automatically to prevent getting stuck in a “reconnecting” state - Guest error reporting now works end-to-end - Submitting “Found an error?” as a guest now reliably sends the report instead of losing it - Support escalation fix - Escalation now uses the correct API endpoint (instead of sending a text message), preventing automated reply loops and correctly marking the conversation as waiting for staff - Small iOS UI change - The iOS status bar is now hidden

- Fixed a startup issue that could prevent the app from launching correctly - Added a missing setup/import required during app initialization - Improved translations and language support across the app - Translated multiple previously English-only messages in the “pre-exam weak spots” sheet - Ensured the splash screen tagline is properly translated in all supported languages - Updated date and month formatting to match your selected language (instead of always showing English month names) - Resolved layout issues on phones - Removed a duplicated bottom menu/footer on several main screens that could cause a “double footer” - Made quiz progress saving more reliable - Fixed a bug where progress could fail to save because the app didn’t wait for the save process to complete - Prevented a potential crash in the quiz catalog - Added safeguards for cases where the quiz categories list is empty

- Fixed a startup issue that could prevent the app from launching correctly - Added a missing setup/import required during app initialization - Improved translations and language support across the app - Translated multiple previously English-only messages in the “pre-exam weak spots” sheet - Ensured the splash screen tagline is properly translated in all supported languages - Updated date and month formatting to match your selected language (instead of always showing English month names) - Resolved layout issues on phones - Removed a duplicated bottom menu/footer on several main screens that could cause a “double footer” - Made quiz progress saving more reliable - Fixed a bug where progress could fail to save because the app didn’t wait for the save process to complete - Prevented a potential crash in the quiz catalog - Added safeguards for cases where the quiz categories list is empty

- Fixed a startup issue that could prevent the app from launching correctly - Added a missing setup/import required during app initialization - Improved translations and language support across the app - Translated multiple previously English-only messages in the “pre-exam weak spots” sheet - Ensured the splash screen tagline is properly translated in all supported languages - Updated date and month formatting to match your selected language (instead of always showing English month names) - Resolved layout issues on phones - Removed a duplicated bottom menu/footer on several main screens that could cause a “double footer” - Made quiz progress saving more reliable - Fixed a bug where progress could fail to save because the app didn’t wait for the save process to complete - Prevented a potential crash in the quiz catalog - Added safeguards for cases where the quiz categories list is empty

• New in-app Support Chat - Added a chat button on the home screen, including an unread-message badge - Real-time chat updates so new messages appear without manual refresh - Send and view images in chat (pick from your gallery, view thumbnails, and see a clear “image unavailable” message if something goes wrong) • Improved “Help & Support” experience - Redesigned Help/FAQ into a cleaner Help & Support hub focused on live chat - Added self-service “How to use the app” links, with email as a backup contact option (Telegram support removed) - New “chat is currently closed” screen with: - chat hours/availability details - links to helpful articles - email contact option - read-only access to past conversations if you’ve chatted before • Better chat onboarding (especially for guests) - Redesigned the guest chat form with a clearer header and suggested topics to help route your question - Improved layout on small screens (better scrolling) and refined input field styling - If you’re signed in, the app now skips the guest form and uses your account name/email to start chatting faster • Clearer “talk to a person” flow - Added an obvious “Talk to a person” button after certain bot answers - Added a 3-minute “connecting you” countdown after requesting an agent - If no agent joins in time, you’ll see a messenger-style note explaining you can leave a message and the team will reply later - Improved detection of when an agent joins, with clearer system messages - While waiting, you’re prompted to describe your issue so an agent can help faster • More consistent, localized chat (10 languages) - Fully localized chat labels, buttons, and system messages (removed remaining hardcoded English) - Bot conversations and escalation requests now follow your device language - Updated wording to be warmer and clearer, and standardized the bot name to “CDL Help” - Fixed translation wording issues, including Russian UI phrasing • Chat reliability and smoother navigation - Reduced flicker when opening chat (less flashing/spinning, smoother jump to latest messages) - Improved reliability of bot replies with a fallback check when the real-time connection isn’t ready - Added extra context when starting chats (platform and device language) to improve support responses - Updated project dependencies • Quiz reporting now goes through Support Chat - Reporting a quiz question issue now opens chat and sends the report there (instead of email/separate submission) - Quiz reports appear as a structured card in chat for easier review and follow-up - “Not satisfied” feedback is now sent quietly to support via chat (not posted into your visible chat history) - In-chat review prompts are now shown as tappable cards with a direct App Store link • Quiz progress display fixes - Fixed issues that could show incorrect progress after switching states or changing between Express and Full modes - Prevented progress bars from overflowing or showing negative/incorrect remaining counts in some smart quiz mixes • Quiz content and reporting accuracy fixes - Fixed a bug where some quiz reports sent empty answer lists - Ensured updated quiz content refreshes correctly after app updates (no longer stuck on an older cached version) - Improved database migration error logging for easier issue detection - Corrected multiple quiz database/translation issues (Portuguese, Korean, Turkish, Russian), including cases that could invert the meaning of safety-related answers

- Better experience on tablets - Updated the tablet layout: navigation moves from a bottom bar to a left-side menu for easier browsing. - Improved sizing on larger screens so pages and pop-ups don’t stretch too wide and remain comfortable to read. - Refined how text, icons, and spacing scale across different device sizes. - Better support for iPhone/iPad app lifecycle behavior to reduce system warnings and rare edge cases. - New premium learning and test-prep tools - New “Review Mistakes” quiz mode that focuses practice on questions you often miss. - New “Smart Quiz Mix” option (off by default) that blends missed questions into regular practice automatically. - Added smart re-testing with mastery tracking: a topic is marked mastered after 3 correct answers in a row. - Added a pre-exam “weak spots” summary before exam simulations. - Added an accuracy trend view on results, with topic-by-topic breakdowns. - Review/rating prompts (less annoying, more controlled) - Added an automatic rating prompt after you pass a quiz (shown shortly after results). - Detects your first-ever pass and skips extra engagement steps. - Added a review prompt on the congratulations screen with strict limits. - Set review prompt cooldowns to 10 days. - Bug fixes and reliability improvements - Fixed crashes when leaving certain screens (including reading and flashcards). - Fixed settings items that sometimes didn’t respond to taps. - Fixed quiz report issues (incorrect flags, “0 seconds” answers, missing images, and translation problems). - Cleaned up Android 15 and iOS system warnings.

- Language & translations - Fixed issues that could force the app into the wrong language, improving language selection and translation consistency. - Flashcards & reading - Fixed a bug where using bookmarks could unexpectedly jump you back to the first card. - Removed non-working “More” menu buttons from flashcards and reading screens to reduce confusion and clutter. - Quizzes & exams - Fixed an exam countdown timer issue where timers could overlap by canceling the previous countdown before starting a new one. - Improved completion tracking so the app no longer logs a “test abandoned” event after you’ve actually finished the entire quiz. - Added stronger error logging when images fail to load in quizzes and flashcards to help diagnose image display problems. - Links & safety checks - Added rate limiting for the “Rate the app” link to prevent it from being triggered too frequently. - Data update - Updated the database to improve how question image paths are stored and handled for more reliable image loading.

- New notification controls - Added a Notification Preferences screen so you can choose which notifications you want to receive. - Improved push notification handling for better reliability and more consistent delivery. - Fixed an issue where notification subscriptions didn’t always update correctly after changing the app language. - Language and locale improvements - Added a dedicated service to manage language/region changes more cleanly, improving consistency across the app. - Subscriptions and paywall updates - Refined the paywall layout and flow for a smoother subscription experience. - UI and screen polish - Updated and refined the splash screen. - Improved the congratulations screen. - Polished the quiz screen for better usability and visual consistency. - Analytics and ads changes - Updated our analytics service to improve tracking accuracy and stability. - Removed ads configuration from the project.