[1.3.0 Release Notes] 1. Difficulty-Based Practice Mode • Subject practice questions are now split into Basic (difficulty 1-2) and Advanced (difficulty 3-5). Choose the right level for more efficient studying. 2. New Questions • 335 new questions added. 3. Bug Fixes & Stability • Various bug fixes and stability improvements.

• Case Study questions now available — practice 6-step clinical scenarios • Minor bug fixes

[1.2.3 Release Notes] 1. New Questions • 10 Grouping questions are now available. • 19 Bow-Tie questions are now available. 2. Quiz Logic Improvements • Fixed an issue where the quiz progress count was incorrectly calculated when resuming NGN questions. • Fixed an issue where the first question appeared randomly when restarting NGN questions from the beginning. • Fixed an issue where tab labels displayed Korean text for non-Korean language users after submitting answers. 3. Multilingual Support • Completed translation and quality review of all NGN questions for Latin American Spanish, Simplified Chinese, and Traditional Chinese — all questions and rationales are now fully translated.

[1.2.2 Release Notes] • Previously, rationales were hidden for correct answers, and only the selected incorrect option's rationale was shown for wrong answers. Now, all answer option rationales are visible after answering, regardless of whether the answer is correct or incorrect. • Question data restructuring has been completed. Questions previously presented as a single paragraph with poor readability have been restructured to match the real NCLEX exam format: 'brief scenario – tab data (if applicable) – question instructions – answer options'. • Fixed an issue where the landing page was displayed instead of the dashboard on mobile app or mobile web browser, even when logged in.

[1.2.1 Release Notes] 1. New Questions Added • 19 Bow-Tie questions have been added to NGN practice. 2. UI Updates • Updated navigation routes for the homepage and dashboard, and applied a unified menu design across the homepage, blog, and NClip. • A shortcut to NClip, an NCLEX-focused nursing knowledge base, has been added to the sidebar. • During practice sessions, the question stem/context is now separated from the question requirements, with a layout redesigned to more closely reflect the actual NCLEX exam experience. Existing question data is being progressively updated to match the new UI.

[1.2.0 Release Notes] 1. UI/UX Improvements • Fixed an issue where some text appeared in Korean on the wrong answer review, AI tutor page, and study analytics screens when using a non-Korean language setting. • Fixed a bug where the active tab state from the previous question carried over to the next question. The first tab is now automatically activated when moving to a new question. 2. Other service stability improvements and SEO enhancements

[1.1.6 Release Notes] 1. UI/UX Improvements • Added markdown formatting support for question text, enabling bold and italic styles. • Added missing translation keys for multilingual support. • Added a language selection step to the onboarding screen on first app launch. • Fixed a bug where weak concept analysis was not displayed despite solving many questions. • Fixed an issue where some question screen elements were shown in the selected language before answer submission in certain question types. 2. New Questions Added • Released 19 new Drag to Target questions, an Extended Drag and Drop type among the NGN question formats. 3. Data Corrections • Batch-corrected medical dictionary entries where Korean translations were verbose or missing. • Fixed 6 Multiple Response (SATA) questions where all options were marked as correct — 1 was deleted and 5 were corrected by adjusting options. • Standardized tab titles for tabbed questions added during the Lunar New Year holiday to match actual NCLEX exam formatting. 4. Official Blog Launch • Launched our official blog at nclick.kr/blog. Previously, tapping Announcements in Settings redirected to our Naver blog. Going forward, we will provide multilingual content and service updates on our own blog. 5. Other service stability improvements and SEO enhancements

[Version 1.1.5 Release Notes] 1. New Practice Questions • Added 148 new Adult Health Nursing questions (Medium to High difficulty). • Added 69 new Fundamentals of Nursing questions (Medium to High difficulty). 2. App UI Improvements • Improved UI to match the real NCLEX environment by keeping question stems concise and displaying clinical data (Vital signs, Nurses' notes, etc.) in separate tabs. The newly added Adult Health and NGN questions now feature this tabbed layout. We will progressively update existing questions to this new format without service interruption. • Enhanced the structure of Case Study items to align with the latest NCLEX trends. Check out the updated UI under Solve Questions > NGN Types > NGN Trial > Case Study. • Fixed an issue where Korean text was displayed in certain pages and components when the language was set to English. • Fixed a bug where NGN items were incorrectly included in the progress calculations for Subject Practice topics. 3. Multilingual Support • Added Beta support for 12 additional languages: French, Spanish (LATAM), Portuguese (Brazil), Japanese, Chinese (Simplified & Traditional), Tagalog, Hindi, Indonesian, Vietnamese, Thai, and Malay. • Updated the question database structure to facilitate full multilingual support. • Expanded AI Tutor capabilities to support 14 languages (previously English and Korean only). • Fixed an issue where subject names remained in Korean on certain pages like Analytics and Bookmarks after changing language settings. 4. Other Updates • Improved service stability and enhanced security measures.