Changelog
Every major feature we have shipped, newest first. Grouped by month and category so you can skim it fast or copy a release straight into Discord.
July 2026
Collections, the Dan Ladder, and a shared White Room
White Room
- New Shared free preview room so anyone can see the coach in action before subscribing.
- Improved Coaching questions now run on a dedicated turn tier for sharper answers at lower cost.
Roadmap & Practice
- New Problem collections: build favorites, redo, and review lists with a progress tracking table.
- New Verified Dan Ladder: ten dans of curated AtCoder problems, link your account to earn the rank on your profile.
- New Import problems by URL from CSES, AtCoder, Codeforces, and USACO straight into your collections.
Mock Interview & Intel
- New Animated mock interview demo on the landing page.
Rewards & Cosmetics
- New Blackjack table: bet your coins against a server-dealt shoe.
- New Global sound system with a volume setting plus solve, quiz, and reward cues.
- New Theme-integrated rarity tokens and a vault-terminal box opening animation.
Platform
- Improved Faster profile and problem pages from leaner database hot paths.
- Fixed Sandbox judge failures reliably fall back to Judge0 with no raw error leaks.
June 2026
White Room goes public
White Room
- New White Room opened to every signed-in user, with a premium access boundary.
- New Structured onboarding wizard grounds your very first plan in real goals.
- New Projects tab: personalized project recommendations with mini schedules.
- New Async background plan builds: get an instant room and resume when it is ready.
- Improved Native web search with citations on direct questions, plus learner-memory dedup so the coach stops repeating itself.
Roadmap & Practice
- New Level-ordered list view for the algorithm roadmap.
Problems & Editor
- New Vercel Sandbox execution provider for problem runs, with address sanitizer support and warm sandbox reuse for faster submissions.
- Improved Syntax-highlighted submitted and solution code.
Mock Interview & Intel
- New Animated product tour showcase on the homepage.
Resume Reviewer
- New Private-by-default reports with revocable share links and delete.
- Improved Recalibrated scoring with percentile bands and a breadth blend, shown on an interactive score curve.
Guides
- New Guides section: consolidated, rewritten, and published, with a right-rail table of contents and scroll-spy.
- New In-product admin markdown editor with author bylines, descriptive slugs, and draft mode.
Rewards & Cosmetics
- New Reward popups for every XP source, with coins you can spend in the shop.
Membership
- New Five-day premium trial with card-reuse abuse prevention.
- New Native cancel and reactivate flow with a monthly and annual billing toggle.
Profile & Community
- New Account settings to change your email and password.
- New Following page with mutuals, and AtCoder account linking from settings.
Platform
- Fixed Connection-pool starvation that slowed the whole site under load.
- New Baseline security response headers.
May 2026
The AI coach takes shape
White Room
- New AI coaching workspace: an adaptive roadmap you build together with the coach.
- New Infinite hex-grid roadmap with day-structured plans.
- New Session artifacts and durable learner memory.
- New Context sources: feed the coach your linked profiles and files.
Roadmap & Practice
- New Library: a curated hub of the best DSA and system design resources.
Mock Interview & Intel
- New Rebuilt mock interview suite: structured rounds with transcription.
- New Candidate rating radar with hoverable scores.
- New Job board search.
Rewards & Cosmetics
- New Referral system: a five-tier ladder with gacha gift boxes.
Profile & Community
- New Ranking v2 and profile progression.
- Improved Leaderboard stats redesigned into stat cards, plus contributor cards on the community page.
Platform
- Improved Migrated every LLM call from Anthropic to OpenAI.
April 2026
WhiteBox launches
Roadmap & Practice
- New DSA algorithms roadmap with an admin editor.
- New FAANG vs Cracked roadmap tier toggle.
- New "Plan with AI" button on the algorithm roadmap.
- New Workbooks: your first custom problem lists.
- New Per-problem discussion threads.
Problems & Editor
- New Coding problems, a code editor, and Judge0 execution.
- New Multi-language support with dynamic per-language harnesses, including C++20 and C++23.
- New Tsuki: the in-editor AI problem assistant, with a Monaco editor and inline diff highlights.
- New Custom test cases with an execute button.
- New ZIP file test-case uploads and batched Judge0 submissions.
- New Vim mode, per-problem time and memory limits, and more languages.
- New Submission speed histogram.
- New LeetCode catalog and an auto-save queue.
- New Submission rate limiter.
Mock Interview & Intel
- New Structured mock interviews with multiple round types and speech recording.
- New System design whiteboard for architecture rounds.
- New Interview question buckets.
- New Interview Intel: a feed of real interview reports with a review pipeline and a contribute flow.
- New Our Philosophy manifesto page.
Resume Reviewer
- New AI resume reviewer, with shareable report URLs and a free tier.
- New Percentile ranking against the pool with seven recruiter signals, plus an admin panel with one-click backfill.
Domain Knowledge
- New Domain knowledge quizzes, with mass upload and AI drafting modes for authoring.
Rewards & Cosmetics
- New Loot boxes, avatar frames, and a cosmetics shop with an editor for animated titles.
Membership
- New Stripe payments, coupons, and bulk premium gifting.
Profile & Community
- New Profiles with the hexagon power graph, PP scoring, and a leaderboard.
- New Community pages, contributors, and public profile routes.
- New Growth dashboard for admins, first-solve bonuses, and a solvers tab.
Platform
- New Clerk authentication, an admin panel, and separate production and dev environments.
- New Job board, notifications, and direct messages.
- New Granular permissions system and search-engine optimization across the site.