Changelog

All notable changes to DupeScan.

Current version:v1.6.20
Thu, Apr 16, 2026, 08:25:35 AM UTC

April 11, 2026

v1.6.0: Promo Codes

  • New Redeem Voucher section on your Account tab — paste a code to claim its reward
  • Codes may grant credits, XP or other perks depending on the campaign
  • Keep an eye on announcements for upcoming giveaways

April 7, 2026

v1.5.0: Watchlist Automation

  • New Watchlist tab on your profile — register the Steam IDs you want to keep an eye on and DupeScan re-scans them on a recurring schedule
  • Pick the interval per row: 12 hours by default, or 6 hours with the Rapid Scan add-on
  • Newly-found dupes show up as a badge on the row so you can spot changes at a glance
  • Pause, resume, or remove any watchlist entry at any time
  • Each automated scan costs the same as a manual check, so your credit balance stays in your control
  • Requires the Seeing Stone unlock

March 31, 2026

v1.4.0: Contributor Level-Up System

  • Earn permanent account upgrades by contributing — submit items and vote on entries to gain XP
  • Contributor levels with increasing search budgets, batch tools and weekly limits
  • Contributor benefits are permanent and work similar to the support packs
  • Track your progress via the XP widget on your profile page
  • Download Search Report — export your search results as a styled PDF document

March 30, 2026

v1.3.0: Added Support Packages

  • Multiple tiers with expanded search budgets and premium features. All contributions go towards keeping the project running and adding new features
  • Accepting payments in crypto or Dota 2 items via trade offers

March 30, 2026

v1.2.0: Introducing Batch Search

  • Paste multiple Steam profile URLs and check them all at once
  • Results accumulate live as each profile is processed
  • Automatic queuing — profiles are processed in chunks based on your plan's capacity

March 28, 2026

v1.1.0: Public Roadmap & Community Voting

  • Public roadmap page with visual road-style timeline of all features
  • Community voting on planned and exploring features
  • "Most anticipated" and "Least interesting" ranking tabs
  • Roadmap and Changelog links added to the footer

March 27, 2026

v1.0.0: Initial Release

  • Launch of DupeScan — check Dota 2 inventories for duped items
  • Item discovery with filtering and sorting
  • Community-driven dupe reporting system
  • Contributor leaderboard
  • Owner history tracking
  • Multi-language support (19 languages)
  • Steam authentication integration
  • Mobile-friendly PWA with installable app