GDM 2026

Version History

Track updates and changes to GDM 2026

Version 4.0

Released: June 18, 2026

What's New:

  • Added the official Warhammer 40,000 Core Rules FAQs to the Core Rules page, browsable and searchable as Q&A cards alongside the rules

Version 3.9

Released: June 17, 2026

What's New:

  • Game Tracker setup now offers a third secondary mission type, Manual, alongside Tactical and Fixed
  • In Manual mode you draw from your own physical deck and tap the matching card to bring it into your hand, then score and discard it just like a tactical draw

Version 3.8

Released: June 16, 2026

What's New:

  • Added a Rules section to the 11th edition: browse and search a simplified version of the free Warhammer 40,000 Core Rules, organised by section and subsection
  • Added a searchable Tournament Companion covering the Warhammer Event mission sequence, card terminology, errata & FAQs and pairings & rankings

Version 3.7

Released: June 16, 2026

What's New:

  • Game Tracker now enforces the full VP limits: primary and secondary missions each cap at 15VP per battle round (45VP total), and a single Fixed Secondary Mission card scores at most 20VP across the game
  • The secondary scoring popup now shows an alert when a cap is reached ("Maximum of 15 per round" or "Maximum of 20 per fixed secondary") so it is clear why no more can be scored

Version 3.6

Released: June 16, 2026

What's New:

  • Game Tracker setup now lets supplement chapters (Space Wolves, Dark Angels, Blood Angels, Black Templars, Deathwatch) mix and match detachments with Codex: Space Marines via a toggle in the detachment picker

Version 3.5

Released: June 15, 2026

What's New:

  • Corrected A Grievous Blow and Bring It Down: the Tactical side now scores a flat 5VP when one or more qualifying enemy units are destroyed in a turn, and the MAX 5VP cap is removed from both the Fixed and Tactical sides
  • Updated all 11th edition mission cards to the latest re-exported art

Version 3.4

Released: June 14, 2026

What's New:

  • Added a Detachments page: browse every faction's detachments with their force disposition and Detachment Points cost, with a faction index to jump around

Version 3.3

Released: June 13, 2026

What's New:

  • Game Tracker now works fully offline once loaded
  • Added a searchable faction picker and optional detachment selection to setup, with each detachment granting its force disposition (up to 3 Detachment Points)
  • Detachment dispositions are highlighted in the disposition step; others stay selectable for casual games
  • Games are now saved automatically: the tracker opens to your game history, with a final summary after round 5 and a per-game breakdown for every match
  • Unified how double-sided primary missions are viewed: one card with a 1/2 ↔ 2/2 flip button in the corner, used in the tracker, the matrix and the mission viewer

Version 3.2

Released: June 10, 2026

What's New:

  • Added an 11th edition Game Tracker to set up and play a full game on mobile
  • Track both players round by round: matrix-resolved primaries, a secondary hand with draw, score, discard and reshuffle, and live victory point totals
  • Score directly from each card's own scoring tiers, with first battle round draw rules, primary Action and Full card views, and in-game settings for names and battle ready

Version 3.1

Released: June 7, 2026

What's New:

  • Updated all 11th edition mission cards to the latest print-ready art
  • Reworked how cumulative scoring is shown on the cards

Version 3.0

Released: June 3, 2026

What's New:

  • Added 11th edition support: primary mission decks, secondary missions, force disposition, and an interactive Force Disposition Matrix
  • Added a 10th/11th edition switcher that remembers your selection
  • Refreshed the interface with a new light tactical design and rebranded to GDM 2026
  • Added an "update ready" reload prompt and offline preloading of all card images

Version 2.2

Released: December 22, 2025

What's New:

  • Redesigned the website with a fresh new look
  • Updated typography, colors, and visual effects across all pages

Version 2.1

Released: August 4, 2025

What's New:

  • Added pinch-to-zoom for fullscreen card viewing on mobile devices

Version 2.0

Released: July 21, 2025

What's New:

  • Added Game Setup page for drawing primary missions and twists
  • Reorganized homepage layout for better clarity

Version 1.9

Released: July 03, 2025

What's New:

  • Game session card drawing interface now properly responsive across all device sizes

Version 1.8

Released: June 23, 2025

What's New:

  • Reworked the styling to conform to the cards themselves
  • Moved Twists to a new category and added Card Layouts

Version 1.7

Released: June 11, 2025

What's New:

  • Updated the deployment maps, all measurements were correct but the visual placement on some cards was off.

Version 1.6

Released: June 8, 2025

What's New:

  • Added Game Sessions tile to homepage.

Version 1.5

Released: June 6, 2025

What's New:

  • Added notification for new shorter domain gdmissions.app when visiting old domain.

Version 1.4

Released: June 4, 2025

What's New:

  • Changed the No Prisoners secondary mission to not be a fixed mission.

Version 1.3

Released: June 3, 2025

What's New:

  • Fixed sorting popup not properly visible on desktop
  • Added a "board report live" banner / tile when I (Shinobau) is streaming
  • Added confirm dialog for game session reset actions
  • Added a sticky header for better usability
  • Fixed mobile header title centering with back button

Version 1.2

Released: May 29, 2025

What's New:

  • Fixed card layout visibility issues - navigation controls now always visible
  • Updated mobile navigation - hamburger menu moved to right side with right slide
  • Added back button to category overview pages
  • Changed back button icon from chevron to arrow
  • Hidden footer on mobile devices
  • Made MissionCard border art scale responsively with image
  • Updated mobile homepage - combined Twists/Deployment into single row
  • Added special tags for Fixed secondary missions

Version 1.1

Released: May 26, 2025

What's New:

  • Added Game Session with card drawing, auto-save, and mobile-optimized interface.

Version 1.0

Released: May 25, 2025

What's New:

  • Initial release of GDM 2026
  • Added Primary Missions with detailed card views
  • Added Secondary Missions with comprehensive mission set
  • Added Challenger Cards with dual-name display support
  • Added Twists for game modification rules
  • Added Deployment Zones with battlefield layouts
  • Implemented responsive design for mobile and desktop
  • Added PWA support for offline functionality
  • Integrated theme toggle (light/dark mode)
  • Added navigation and search capabilities